| 单词 | cosmological constant |
| 例句 | Once again physicists are talking about the cosmological constant—the mysterious term that Einstein added to his equations to balance the push of gravity. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z A good example of this was Einstein, who called the cosmological constant, which he introduced when he was trying to make a static model of the universe, the biggest mistake of his life. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z More or less reflexively, he dropped into his equations something called the cosmological constant, which arbitrarily counterbalanced the effects of gravity, serving as a kind of mathematical pause button. A Short History of Nearly Everything 2003-05-06T00:00:00Z In attempting to incorporate the uncertainty principle into general relativity, one has only two quantities that can be adjusted: the strength of gravity and the value of the cosmological constant. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z It also had a non-zero value of the cosmological constant that Einstein introduced when he thought the universe was unchanging. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z Even in regions where there were more matter particles than average, the gravitational attraction of the matter would have been outweighed by the repulsion of the effective cosmological constant. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z After Hubble discovered the expansion of the universe, there was no need for a cosmological constant and it is now generally believed to be zero. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z He did this by adding a cosmological constant, an as yet undetected force that counteracts the force of gravity. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z The energy of the field in those regions would behave like a cosmological constant. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z Since the universe would already be expanding just as in the hot big bang model, the repulsive effect of this cosmological constant would therefore have made the universe expand at an ever-increasing rate. A Brief History of Time: And Other Essays 1988-01-01T00:00:00Z The cosmological constant’s push would balance out gravity’s pull; instead of collapsing, the universe could stay in a steady balance, neither collapsing nor expanding. Zero: The Biography of a Dangerous Idea 2000-02-07T00:00:00Z One is that dark energy is a cosmological constant, an unchanging property of space, which would mean that the universe would continue to expand indefinitely, sweeping far-off objects forever beyond our local point of view. Euclid Space Telescope Releases Stunning First Science Images 2023-11-08T05:00:00Z It assumes dark energy is just a property of empty space called a cosmological constant, Lambda, and dark matter is just cold invisible stuff, hence CDM. The universe’s puzzlingly fast expansion may defy explanation, cosmologists fret 2023-10-31T04:00:00Z Scientists refer to this mysterious force as a 'cosmological constant'. Black holes could come in 'perfect pairs' in an ever expanding Universe 2023-10-19T04:00:00Z The trouble is that the predicted value for the cosmological constant from calculations using quantum field theory produces a number that is too large by a factor of 10120. The Most Surprising Discoveries in Physics 2023-07-27T04:00:00Z To prevent the universe collapsing in his equations, he added what he considered a ham-fisted solution: a “cosmological constant” to counteract gravity’s effects and ensure a static cosmos. Europe’s Euclid Space Telescope Is Launching a New Era in Studies of the ‘Dark Universe’ 2023-06-30T04:00:00Z Another is that dark energy isn’t the cosmological constant, meaning it might radically change over time. Euclid Space Telescope Releases Stunning First Science Images 2023-11-08T05:00:00Z One solution assumes dark energy isn’t a cosmological constant, but is due to some kind of new physics. The universe’s puzzlingly fast expansion may defy explanation, cosmologists fret 2023-10-31T04:00:00Z In a Universe explained by Einstein's theory with a cosmological constant, black holes are immersed in a cosmological accelerated background. Black holes could come in 'perfect pairs' in an ever expanding Universe 2023-10-19T04:00:00Z This cosmological constant problem is thought by many to be the deepest unsolved problems in all of modern physics.” The Most Surprising Discoveries in Physics 2023-07-27T04:00:00Z Einstein himself famously called the cosmological constant his “greatest blunder.” Europe’s Euclid Space Telescope Is Launching a New Era in Studies of the ‘Dark Universe’ 2023-06-30T04:00:00Z The Greek letter lambda in the cosmic recipe represents one possible explanation, the cosmological constant, which Einstein himself had proposed in 1917. Euclid telescope to seek source of dark energy—the biggest mystery in the universe 2023-06-21T04:00:00Z When this connection first became clear, cosmologists hoped it would solve a major puzzle in their field: the value of the cosmological constant, another way of describing the energy in empty space. How Much Does ‘Nothing’ Weigh? 2023-04-29T04:00:00Z In the past few years, it has become a question of the combination of gravitation and what is called the cosmological constant. College Physics for AP Courses 2015-08-12T00:00:00Z I think this also qualifies because even with the benefit of hindsight, it still seems very surprising that the dark energy/cosmological constant has its measured value. The Most Surprising Discoveries in Physics 2023-07-27T04:00:00Z Einstein is reported to have said that the introduction of the cosmological constant was “the biggest blunder of my life.” Astronomy 2016-10-13T00:00:00Z Early dark energy, like many other alternatives to the cosmological constant, requires an entirely new force. Euclid telescope to seek source of dark energy—the biggest mystery in the universe 2023-06-21T04:00:00Z Three years after he published the theory, Einstein found that he could add a term called the cosmological constant to his equations without changing the fundamental laws of physics. How Much Does ‘Nothing’ Weigh? 2023-04-29T04:00:00Z The cosmological constant was invented by Einstein to prohibit the expansion or contraction of the universe. College Physics for AP Courses 2015-08-12T00:00:00Z Vacuum energy is thought to be the main ingredient in the “cosmological constant,” a mathematical term in the equations of general relativity. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z Observations are now being carried out to determine whether this acceleration is consistent with a cosmological constant. Astronomy 2016-10-13T00:00:00Z If they can detect even a tiny deviation in w away from–1—evidence that dark energy is not constant in time—that would be a nail in the coffin of the cosmological constant. Euclid telescope to seek source of dark energy—the biggest mystery in the universe 2023-06-21T04:00:00Z Einstein discarded the cosmological constant, calling it “folly.” How Much Does ‘Nothing’ Weigh? 2023-04-29T04:00:00Z The determining factor is the critical density of the universe and the cosmological constant, a theoretical construct intimately related to the expansion and closure of the universe. College Physics for AP Courses 2015-08-12T00:00:00Z The enormous discrepancy between the predicted amount of vacuum energy and the measured amount is often called the cosmological constant problem. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z One possibility is that it is the cosmological constant, which is an energy associated with the vacuum of “empty” space itself. Astronomy 2016-10-13T00:00:00Z “We still don’t know very much. There’s no evidence that it’s not a cosmological constant,” says cosmologist Jo Dunkley of Princeton University. Euclid telescope to seek source of dark energy—the biggest mystery in the universe 2023-06-21T04:00:00Z At this point, the cosmological constant came back into fashion as a possible explanation for this mysterious form of energy. How Much Does ‘Nothing’ Weigh? 2023-04-29T04:00:00Z The cosmological constant was discarded after Hubble discovered the expansion, but has been re-invoked in recent years. College Physics for AP Courses 2015-08-12T00:00:00Z For a while the cosmological constant was a footnote of history, but it was quietly preparing for a comeback. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z When Einstein learned about Hubble’s work showing that the universe of galaxies is expanding, he called his introduction of the cosmological constant into his general theory of relativity his “biggest blunder.” Astronomy 2016-10-13T00:00:00Z We can model what the universe would have looked like if its constants—the strength of gravity, the mass of an electron, the cosmological constant—had been slightly different. Our Improbable Existence Is No Evidence for a Multiverse 2021-01-10T05:00:00Z And the cosmological constant, in turn, is thought to get its energy from the vacuum. How Much Does ‘Nothing’ Weigh? 2023-04-29T04:00:00Z In fact, the cosmological constant can counteract gravity’s effect. College Physics for AP Courses 2015-08-12T00:00:00Z Immediately physicists suggested that the source of dark energy might be the cosmological constant—in other words, vacuum energy. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z The evidence is impressive, but I am still uneasy about details of the case for the cosmological constant, including possible contradictions with the evolution of galaxies and their spatial distribution. Making Sense of Modern Cosmology 2019-10-10T04:00:00Z Dr. Peebles utilized the cosmological constant, now known as dark energy, for a different reason: He aimed to show that the universe contained considerably less mass than was thought at the time. Nobel Prize in Physics Awarded for Studies of Earth’s Place in the Universe 2019-10-08T04:00:00Z That suggests it is a constant pressure associated with the fabric of space itself—a so-called cosmological constant. Robot detector to map cosmos for clues to dark energy 2019-09-11T04:00:00Z After the recent experimental discovery of the cosmological constant, most researchers feel that the universe should be just barely open. College Physics for AP Courses 2015-08-12T00:00:00Z But at the time, scientists thought the universe was expanding at a steady or slowing rate, and most believed the cosmological constant to be zero. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z Eighty years later, the cosmological constant was discovered to actually exist but with a magnitude that causes the cosmic expansion to accelerate in our future. The Only Thing That Remains Constant Is Change 2019-09-06T04:00:00Z Einstein had invented this idea, called the cosmological constant, to balance gravity and keep the universe static and unchanging. Nobel Prize in Physics Awarded for Studies of Earth’s Place in the Universe 2019-10-08T04:00:00Z The theory for the Higgs boson, as well as those for other new measurements—such as neutrino masses or the cosmological constant—date to before the 1970s. Which Should Come First in Physics: Theory or Experiment? Glad You Asked 2019-07-23T04:00:00Z The recent discovery of the cosmological constant has shown the universe is very close to flat, and will expand forever. College Physics for AP Courses 2015-08-12T00:00:00Z In a way, reviving the cosmological constant made the predicament worse. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z This dark energy bears all the earmarks of a fudge factor, called the cosmological constant, that Einstein inserted into his equations a century ago, and later rejected as a blunder. Does the Universe Still Need Einstein? 2018-11-20T05:00:00Z But to Vafa it is a reason to doubt dark energy—that is, dark energy in its most popular form, called a cosmological constant. String Theory May Create Far Fewer Universes Than Thought 2018-07-30T04:00:00Z Einstein first dubbed it “the cosmological constant”—but later allegedly called it his “biggest blunder,” following Hubble’s discovery. Cosmic Conflict: Diverging Data on Universe's Expansion Polarizes Scientists 2018-05-16T04:00:00Z Observational evidence from supernovae for an accelerating universe and a cosmological constant. Solar abundance ratios of the iron-peak elements in the Perseus cluster 2017-11-12T05:00:00Z The unexpected smallness of the cosmological constant is a thread that needs pulling. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z But the amount of this dark energy is smaller than the predicted value of the cosmological constant by a factor of 10⁶⁰. Does the Universe Still Need Einstein? 2018-11-20T05:00:00Z The cosmological constant would be a form of energy in the vacuum of space that never changes and counteracts the inward pull of gravity. String Theory May Create Far Fewer Universes Than Thought 2018-07-30T04:00:00Z A mysterious “dark energy” seemed to be causing the universe’s expansion to accelerate; perhaps, many physicists speculated, the dark energy and the cosmological constant were one and the same. Cosmic Conflict: Diverging Data on Universe's Expansion Polarizes Scientists 2018-05-16T04:00:00Z In general relativity, those tiny quantum fluctuations produce an energy that would serve as the cosmological constant. A simple explanation of mysterious space-stretching ‘dark energy?’ 2017-01-10T05:00:00Z “It is a desperate measure, but so is every other attempt to deal with the cosmological constant, and these are desperate times.” The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z Why it matters The simplest explanation for dark energy is that there is a small force that acts in opposition to gravity, known as the cosmological constant. The dark universe: 4 big questions : Nature : Nature Research 2016-09-27T04:00:00Z So far all astrophysical evidence supports the cosmological constant idea, but there is some wiggle room in the measurements. String Theory May Create Far Fewer Universes Than Thought 2018-07-30T04:00:00Z In 1917, Einstein posited the idea of the cosmological constant — an adjustment to the general theory of relativity that amounts to assigning an energy value to empty space. Q&A: Brian Schmidt : Nature : Nature Research 2016-09-27T04:00:00Z In fact, Einstein invented the cosmological constant—literally by adding a constant to his famous differential equations—to explain how the universe resisted collapsing under its own gravity. A simple explanation of mysterious space-stretching ‘dark energy?’ 2017-01-10T05:00:00Z If this is the case, calculating the cosmological constant involves dividing by the number of spacetime units in the universe, leading to a value much closer to what astronomers observe. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z A change would support quintessence, whereas a steady rate of expansion would be evidence for the cosmological constant. The dark universe: 4 big questions : Nature : Nature Research 2016-09-27T04:00:00Z And even skeptics of Vafa’s proposal support the idea of considering alternatives to the cosmological constant. String Theory May Create Far Fewer Universes Than Thought 2018-07-30T04:00:00Z All the bumps and wiggles in the data match exactly both the theory of the cosmological constant and what was predicted by looking at supernovae in 1998. Q&A: Brian Schmidt : Nature : Nature Research 2016-09-27T04:00:00Z The argument is mathematical, but essentially the tiny bit of energy that disappears in the universe leaves its trace by gradually changing the cosmological constant. A simple explanation of mysterious space-stretching ‘dark energy?’ 2017-01-10T05:00:00Z One of the most prominent—and, by some, most hated—solutions to the cosmological constant problem is called the anthropic principle. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z Others posit some kind of space-filling fluid, sometimes called quintessence, which acts a little like the cosmological constant, but slowly changes in density. Dark energy: Staring into darkness : Nature : Nature Research 2016-09-27T04:00:00Z While dark energy is often given a value known as the cosmological constant, Adamak is quick to add that it is still an enigma. New simulation could shed light on dark energy and expansion of the universe 2016-03-07T05:00:00Z To see if Einstein's cosmological constant is right, we're attempting to show that it's fixed in time. Q&A: Brian Schmidt : Nature : Nature Research 2016-09-27T04:00:00Z So explaining why there is a cosmological constant, but just a little bitty one, poses a major conceptual puzzle for physicists. A simple explanation of mysterious space-stretching ‘dark energy?’ 2017-01-10T05:00:00Z Because string theory requires a multiverse, string theorists tend to regard the cosmological constant problem as essentially solved by this reasoning. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z For example, a theory might predict a new class of particles to curb the cosmological constant, and these particles might then be detected by the Large Hadron Collider at CERN, Europe's particle-physics laboratory. Dark energy: Staring into darkness : Nature : Nature Research 2016-09-27T04:00:00Z The evidence for an expanding universe these red-shifts provided led Einstein to reject the cosmological constant as the “greatest blunder of my life”. The most beautiful theory 2015-11-25T05:00:00Z Einstein's cosmological constant always stays the same, so if the rate of expansion of the Universe doesn't reflect a constant energy for space, that would indicate the existence of something like quintessence. Q&A: Brian Schmidt : Nature : Nature Research 2016-09-27T04:00:00Z Bring in quantum mechanics and the case for the cosmological constant gets tricky, however. A simple explanation of mysterious space-stretching ‘dark energy?’ 2017-01-10T05:00:00Z The cosmological constant remains the best explanation for dark energy—the mysterious force causing the expansion of space to accelerate. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z According to general relativity, this cosmological constant would indeed oppose the force of ordinary gravity. Dark energy: Staring into darkness : Nature : Nature Research 2016-09-27T04:00:00Z In 1917 he added to his equations a “cosmological constant” which could be used to fix the universe at a given size. The most beautiful theory 2015-11-25T05:00:00Z That something was a fudge factor added to the equations Einstein called the cosmological constant. A Century Ago, Einstein’s Theory of Relativity Changed Everything 2015-11-24T05:00:00Z But Smolin argues that the cosmological constant problem already links the cosmic and quantum realms. A simple explanation of mysterious space-stretching ‘dark energy?’ 2017-01-10T05:00:00Z But what if dark energy isn't actually related to the cosmological constant or vacuum energy at all? The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z For now, that's a conclusion that seems to favour a candidate for dark energy known as the cosmological constant. Dark energy: Staring into darkness : Nature : Nature Research 2016-09-27T04:00:00Z In March, he described the connection between inflation and falling slack as a “cosmological constant” in the economy. San Francisco Fed’s Williams Sees Rate Increase ‘This Year’ If Risks Dissipate 2015-09-07T04:00:00Z If the cosmological constant couldn’t keep the universe still, then forget about it and Mach’s Principle, Einstein said. A Century Ago, Einstein’s Theory of Relativity Changed Everything 2015-11-24T05:00:00Z In this model, every teaspoonful of space brims with the same amount of dark energy, a value known as the cosmological constant. Dark Energy Tested on a Tabletop 2015-05-13T04:00:00Z If, as the evidence seems to show so far, dark energy is truly a result of the cosmological constant, there is still some hope of sorting through the various proposed explanations for its unexpected smallness. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z The low value of the cosmological constant — known to be 120 factors of 10 smaller than the value predicted by quantum field theory — is difficult to explain, for instance. Scientific method: Defend the integrity of physics 2014-12-15T05:00:00Z If dark energy isn’t the cosmological constant, what else might it be? Dark Energy Discernment Dithers over Quantum Jitters or an Undetected Field 2014-10-01T04:00:00Z In 1998 astronomers discovered that dark energy, acting just like the cosmological constant, seems to be blowing space-time apart, just as in de Sitter’s universe. A Century Ago, Einstein’s Theory of Relativity Changed Everything 2015-11-24T05:00:00Z The combined data from all sources revealed the faintest hint of a deviation from the simplest dark-energy model based on the cosmological constant. Dark Energy Tested on a Tabletop 2015-05-13T04:00:00Z And while astrophysics experiments search for clues on a cosmic scale, experiments a bit closer to home might also help researchers sort through the cosmological constant hypotheses. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z String theory needs supersymmetry; I think it would also help to understand the smallness of the cosmological constant. Gravitational Waves Reveal the Universe Before the Big Bang [Q&A] 2014-04-03T13:00:33Z In almost any dark energy model that’s different from a cosmological constant, w will tend to evolve in time. Dark Energy Discernment Dithers over Quantum Jitters or an Undetected Field 2014-10-01T04:00:00Z The same goes for many other constants of nature, especially the cosmological constant—the theorized, but unverified, source of the so-called dark energy that is propelling the acceleration of the expansion of the universe. Multiverse Controversy Heats Up over Gravitational Waves 2014-03-31T11:00:00Z For him it was a fudge factor, known as the cosmological constant, that he inserted into his equations to account for the fact that the universe didn’t collapse. Out There: Ripples From the Big Bang 2014-03-24T21:55:26Z Perhaps these efforts to understand the cosmological constant problem will reveal deeper truths about quantum physics and general relativity. The Cosmological Constant Is Physics’ Most Embarrassing Problem 2021-02-01T05:00:00Z Antigravity might sound crazy, but it was Einstein who first raised the possibility of its permeating space in the form of a fudge factor called the cosmological constant, which he later abandoned as a blunder. Detection of Waves in Space Buttresses Landmark Theory of Big Bang 2014-03-17T14:46:02Z Right now, the data are still consistent with a cosmological constant. Dark Energy Discernment Dithers over Quantum Jitters or an Undetected Field 2014-10-01T04:00:00Z If the cosmological constant were different, and dark energy was more or less powerful, the universe would be drastically altered. and life as we know it wouldn’t be possible. Multiverse Controversy Heats Up over Gravitational Waves 2014-03-31T11:00:00Z The latest baryon acoustic oscillation measurement fits extremely well with predictions based on the cosmological constant. New Cosmic Distance Measurement Points the Way to Elusive Dark Energy 2014-01-13T20:50:31.789Z Rest cautioned, however, that the results are too preliminary to seriously doubt the cosmological constant at this point. Leading Dark Energy Theory Incompatible with New Measurement 2013-10-22T11:45:03.273Z But some atypical universes, in which an improbable cancellation yields a tiny value for the cosmological constant, are much like ours. New Physics Complications Lend Support to Multiverse Hypothesis 2013-06-01T12:15:03.273Z But the hope is that, as we start to shrink the ellipse, it may shrink around something that’s inconsistent with the cosmological constant. Dark Energy Discernment Dithers over Quantum Jitters or an Undetected Field 2014-10-01T04:00:00Z Astronomers found that the universe is expanding after all and Einstein banished the cosmological constant, declaring its inclusion his “greatest blunder.” Science's Brilliant Blunders: From Oops to Eurekas 2013-05-17T12:35:31Z That result supports the idea of Einstein's cosmological constant. Right Again, Einstein! New Study Supports 'Cosmological Constant' 2013-01-17T17:45:00.223Z Whereas the cosmological constant explains dark energy mathematically, it does not elucidate why such a force exists. Leading Dark Energy Theory Incompatible with New Measurement 2013-10-22T11:45:03.273Z Most particle physicists hoped that a more testable explanation for the cosmological constant problem would be found. New Physics Complications Lend Support to Multiverse Hypothesis 2013-06-01T12:15:03.273Z If I remove all that stuff, then the cosmological constant must be the energy density and pressure of empty space. Dark Energy Discernment Dithers over Quantum Jitters or an Undetected Field 2014-10-01T04:00:00Z To fix things up, he added a “cosmological constant” to the equations of relativity — a sort of antigravity that kept things in perfect balance. Science's Brilliant Blunders: From Oops to Eurekas 2013-05-17T12:35:31Z Since scientists at the time believed the Universe to be static, Einstein inserted an extra term into his equation to enable his theory to fit with convention: a 'cosmological constant' called lambda. Cosmology: Out of the darkness 2012-10-10T21:51:18.137Z The story is only further complicated by new observations of distant exploding stars that cast doubt on the leading explanation, called the cosmological constant. Leading Dark Energy Theory Incompatible with New Measurement 2013-10-22T11:45:03.273Z He quickly dropped his version of the cosmological constant when astronomers in the 1920s discovered that the universe was not static after all, but expanding. How most of the universe was lost 2012-07-30T21:45:07.560Z Albert Einstein introduced the cosmological constant in 1917 as an additional term in the equation of gravity. Dark Energy Discernment Dithers over Quantum Jitters or an Undetected Field 2014-10-01T04:00:00Z Three years later astronomers discovered that the expansion of the universe was being accelerated by some “dark energy” that behaves exactly like the cosmological constant. Out There: Cosmologists Try to Explain a Universe Springing From Nothing 2012-02-20T19:17:28Z A cosmological constant is the same no matter where in the universe you look—an inherent, unchanging feature of the fabric of creation, however much it expands, twists or ties itself in knots. Cosmology: The dark side of the universe 2012-02-16T15:59:48Z Einstein referred to the cosmological constant as his “biggest blunder”. - The Washington Post 2012-01-17T03:55:40Z “The whole inflation scenario was easily explained if there was a cosmological constant,” Schmidt says. How most of the universe was lost 2012-07-30T21:45:07.560Z Why would you prefer something like a scalar field over the cosmological constant? Dark Energy Discernment Dithers over Quantum Jitters or an Undetected Field 2014-10-01T04:00:00Z One explanation is that dark energy is the 'cosmological constant', a repulsive outward pressure that is innate to the vacuum of space. Cosmology: Survey tunes in to dark energy 2012-01-04T18:20:08.267Z The cosmological constant is another thing first dreamed up by Einstein. Cosmology: The dark side of the universe 2012-02-16T15:59:48Z So he figured his calculations were incorrect, and introduced a mathematical “fudge factor” into his equations, known as the cosmological constant, or lambda. Nobel Dreams: 2011 Physics Prize Honors Accelerating Universe 2011-10-05T11:15:00.287Z A cosmological constant is the simplest possible description of dark energy, the force causing the acceleration of the universe. How most of the universe was lost 2012-07-30T21:45:07.560Z By far the leading candidate for dark energy is the “cosmological constant.” Dark Energy Discernment Dithers over Quantum Jitters or an Undetected Field 2014-10-01T04:00:00Z The results tell us that dark energy is a cosmological constant, as Einstein proposed. New method 'confirms dark energy' 2011-05-19T21:27:07Z Ofer Lahav from University College, London, who is in charge of DES’s science programme, says the odds are that DES will home in on w being equal to -1—some sort of a cosmological constant. Cosmology: The dark side of the universe 2012-02-16T15:59:48Z Back in the 1920s, Einstein abandoned the concept of the cosmological constant, calling it "the greatest blunder of my life." Dark Energy: Astronomers Inch Toward Solving Space Riddle 2011-02-28T08:30:00Z The cosmological constant is just one idea, and even that is more of a starting point than a final answer. How most of the universe was lost 2012-07-30T21:45:07.560Z Many aspects of cosmology suddenly made sense when a cosmological constant was added to the mix. How most of the universe was lost 2012-07-30T21:45:07.560Z If Dr Burgess is right, vacuum energy and dark energy are the same thing, a cosmological constant, and w is exactly equal to -1. Cosmology: The dark side of the universe 2012-02-16T15:59:48Z The energy resulting from all this buzzing—vacuum energy—should be a fixed feature of space—in other words, a cosmological constant. Cosmology: The dark side of the universe 2012-02-16T15:59:48Z |
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