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searching for Vacuum energy 48 found (122 total)

Breakthrough Propulsion Physics Program (1,281 words) [view diff] exact match in snippet view article find links to article

disjunction drive and diametric drive; the Alcubierre drive; and the vacuum energy based differential sail. The project then considered the mechanisms

Lamb shift (2,492 words) [view diff] exact match in snippet view article find links to article

caused by interactions between the virtual photons created through vacuum energy fluctuations and the electron as it moves around the hydrogen nucleus

Infinite Energy (magazine) (211 words) [view diff] exact match in snippet view article

of interest include "new hydrogen physics," also called cold fusion; vacuum energy, or zero point energy; and so-called "environmental energy" which they

400 Years of the Telescope (381 words) [view diff] exact match in snippet view article find links to article

new ideas about life on other planets and dark energy, a mysterious vacuum energy that is accelerating the expansion of the universe. Han Beekman Mavt

De Sitter space (2,190 words) [view diff] exact match in snippet view article find links to article

cosmological constant Λ {\displaystyle \Lambda } (corresponding to a positive vacuum energy density and negative pressure). De Sitter space and anti-de Sitter space

Sonoluminescence (3,503 words) [view diff] exact match in snippet view article find links to article

time scale to be consistent with the vacuum energy explanation, although other credible sources argue the vacuum energy explanation might yet prove to be

Negative energy (1,313 words) [view diff] exact match in snippet view article find links to article

More accurately, the vacuum energy caused by the virtual particle pairs is pushing the plates together, and the vacuum energy between the plates is too

Øyvind Grøn (863 words) [view diff] exact match in snippet view article find links to article

system (Ehrenfest paradox) and repulsive gravitation associated with vacuum energy. Together with Erik Eriksen at the University of Oslo he has also studied

Warp drive (2,388 words) [view diff] exact match in snippet view article find links to article

Similarly, a quantum drive might utilize quantum field theory to exploit vacuum energy, leveraging phenomena such as the zero-point energy of the quantum vacuum

Friedmann equations (3,523 words) [view diff] exact match in snippet view article find links to article

the equation are time dependent (in particular the mass density, the vacuum energy, or the spatial curvature). Evaluating the Hubble parameter at the present

History of perpetual motion machines (3,807 words) [view diff] exact match in snippet view article find links to article

didn't violate the first law of thermodynamics because it extracted vacuum energy from the immediate environment. Critics dismiss this theory and instead

The Physics of Star Trek (480 words) [view diff] exact match in snippet view article find links to article

certainly could – in theory - deliver an antigravitational force called vacuum energy... So to reread this book is to be reminded both of how much science

Eternal inflation (2,250 words) [view diff] exact match in snippet view article find links to article

Bang. He offered a mechanism for causing the inflation to begin: false vacuum energy. Guth coined the term "inflation," and was the first to discuss the

Normal order (4,040 words) [view diff] exact match in snippet view article find links to article

That's why the process can also be used to eliminate the infinite vacuum energy of a quantum field. If O ^ {\displaystyle {\hat {O}}} denotes an arbitrary

Energy condition (2,326 words) [view diff] exact match in snippet view article find links to article

sign of the vacuum energy depends on both the geometry and topology of the configuration. Being negative for parallel plates, the vacuum energy is positive

Exact solutions in general relativity (3,323 words) [view diff] exact match in snippet view article find links to article

contains contributions from an electromagnetic field and a positive vacuum energy, as well as a kind of vacuum perturbation of the Kerr vacuum which is

Electron affinity (1,468 words) [view diff] exact match in snippet view article find links to article

electron affinity EEA, defined as the difference between near-surface vacuum energy Evac, and near-surface conduction band edge EC. Also shown: Fermi level

Band bending (2,655 words) [view diff] exact match in snippet view article find links to article

metals and n-type semiconductors. E v a c {\displaystyle E_{vac}} , the vacuum energy; E v {\displaystyle E_{v}} , the maximum energy of the valence band;

Mind, Body & Kick Ass Moves (835 words) [view diff] exact match in snippet view article find links to article

what he called vacuum energy, which he uses on his opponent when Satki has been detected. Once Satki is detected Aoki uses vacuum energy in two ways, either

Conservation of energy (6,100 words) [view diff] exact match in snippet view article find links to article

redshift and tethers spontaneously gain tension; if vacuum energy is positive, the total vacuum energy of the universe appears to spontaneously increase

Raychaudhuri equation (1,746 words) [view diff] exact match in snippet view article find links to article

vorticity just balancing a constant Raychuadhuri scalar due to nonzero vacuum energy ("cosmological constant"). Suppose the strong energy condition holds

Poincaré Seminars (450 words) [view diff] case mismatch in snippet view article find links to article

specialized knowledge. Bertrand Duplantier; Vincent Rivasseau, eds. (2003), Vacuum Energy - Renormalization (Poincaré Seminar 2002), Progress in Mathematical

Harold G. White (1,148 words) [view diff] exact match in snippet view article find links to article

geometries – when we looked at a two-dimensional section cut of the vacuum energy distribution, it looked like a two-dimensional section cut of the energy

Bronte International University (717 words) [view diff] case mismatch in snippet view article find links to article

Machine website, accessed March 24, 2009 Martin Gardner, "'Dr' Bearden's Vacuum Energy", Skeptical Inquirer, Vol 31.1, Jan/Feb 2007 "Accreditation Database

Scale factor (cosmology) (1,938 words) [view diff] exact match in snippet view article

density of matter exceeded both the energy density of radiation and the vacuum energy density. When the early universe was about 47,000 years old (redshift

Non-topological soliton (6,328 words) [view diff] exact match in snippet view article find links to article

{\displaystyle \sigma } occupies another one. In such a model non-zero vacuum energy appears only at the NTS surface, not in its volume. This allows for

George Chapline Jr. (1,007 words) [view diff] exact match in snippet view article find links to article

The Chapline–Laughlin theory predicts that space-times with a large vacuum energy are unstable to the formation of dark energy stars; in the context of

Band diagram (1,366 words) [view diff] exact match in snippet view article find links to article

role of the conduction band edge. At a vacuum-material interface, the vacuum energy level is fixed by the sum of work function and Fermi level of the material

Photoelectric effect (6,563 words) [view diff] no match in snippet view article find links to article

energy E F {\displaystyle E_{F}} , and the difference to the free-space (vacuum) energy is the work function of the surface, the kinetic energy of the electrons

Work function (3,657 words) [view diff] exact match in snippet view article find links to article

electron affinity EEA, defined as the difference between near-surface vacuum energy Evac, and near-surface conduction band edge EC. Also shown: Fermi level

Gregory Gabadadze (820 words) [view diff] exact match in snippet view article find links to article

explain cosmic acceleration without the need for a small but non-zero vacuum energy density. Following his work on the DGP model, Gabadadze became a Research

Muon (5,526 words) [view diff] case mismatch in snippet view article find links to article

Muon". In Duplantier, B.; Rivasseau, V. (eds.). Poincaré Seminar 2002: Vacuum Energy – Renormalization. Progress in Mathematical Physics. Vol. 30. Birkhäuser

Gödel metric (3,881 words) [view diff] exact match in snippet view article find links to article

shear. Let us demand that the Einstein tensor match a dust term plus a vacuum energy term. This is equivalent to requiring that it match a perfect fluid;

Stephen Hawking (18,028 words) [view diff] exact match in snippet view article find links to article

Mathematics Genealogy Project Ferguson 2011, p. 29. Allen, Bruce (1983). Vacuum energy and general relativity (PhD thesis). University of Cambridge. Archived

String theory (15,379 words) [view diff] exact match in snippet view article find links to article

popular models of dark energy such as Λ-CDM, which requires a positive vacuum energy. However, string theory is likely compatible with certain types of quintessence

De Sitter invariant special relativity (3,598 words) [view diff] exact match in snippet view article find links to article

acceleration of the expansion of the universe is not entirely due to vacuum energy, but at least partly due to the kinematics of the de Sitter group, which

Band offset (1,351 words) [view diff] exact match in snippet view article find links to article

the heterojunction, we need to have both semiconductors on an equal vacuum energy level. This ensures that the energy bands of both the semiconductors

Planck's law (18,056 words) [view diff] exact match in snippet view article find links to article

photons in the mode. For r = 0 the energy of the mode is not zero. This vacuum energy of the electromagnetic field is responsible for the Casimir effect.

Grigory E. Volovik (1,358 words) [view diff] exact match in snippet view article find links to article

1142/S0217732321501777. S2CID 236318302. Volovik, G. "Emergent physics on: vacuum energy and cosmological constant" (PDF). LT-24 talk. (talk given at 24th International

Erick Weinberg (1,672 words) [view diff] exact match in snippet view article find links to article

phase ends via the nucleation of Coleman-de Luccia bubbles with a low vacuum energy, these bubbles collide and thermalize, leaving a homogeneous universe

Grand canonical ensemble (5,356 words) [view diff] exact match in snippet view article find links to article

the semiconductor, the conduction band edge ϵC plays the role of the vacuum energy level (replacing −qϕ), and µ is known as the Fermi level. Of course

EmDrive (7,225 words) [view diff] exact match in snippet view article find links to article

requirements as required by the mathematics – working with negative vacuum energy – the Casimir force. McCulloch, M. E. (2013). "Inertia From an Asymmetric

List of unusual units of measurement (11,800 words) [view diff] no match in snippet view article find links to article

accelerated over one volt, 1.6×10−19 joules), and c is the speed of light in vacuum. Energy and mass are related through E = mc2. This definition is useful for

List of M.A.S.K. toys & characters (306 words) [view diff] exact match in snippet view article find links to article

a gun emplacement. He uses the Vacuum mask that creates pockets of vacuum energy. Afterburner New Backlash A dragster that splits into a small jet plane

Gribov ambiguity (2,537 words) [view diff] exact match in snippet view article find links to article

how Gribov did the same) and imposing a certain gap equation on the vacuum energy of the resulting theory. This yielded a new path integral with a modified

Buchalter Cosmology Prize (1,828 words) [view diff] case mismatch in snippet view article find links to article

and Antonio Padilla, for their work Sequestering the Standard Model Vacuum Energy. 3rd prize: Niayesh Afshordi and Elliot Nelson, for their work Cosmological

Hamiltonian truncation (3,716 words) [view diff] exact match in snippet view article find links to article

operator. Suppose that we want to compute the first corrections to the vacuum energy due to V. In Rayleigh–Schrödinger perturbation theory, we know that

Sasikanth Manipatruni (7,193 words) [view diff] exact match in snippet view article find links to article

\theta )} energy of thermodynamic stability of the materials compared to vacuum energy, where ± θ {\displaystyle \pm \theta } is the reversal of the order