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Vacuum Energy Density

Flat Space Cosmology as a Model of Light Speed Cosmic Expansion—Implications for the Vacuum Energy Density

Flat Space Cosmology as a Model of Light Speed Cosmic Expansion—Implications for the Vacuum Energy Density

... the vacuum pressure p corresponding to the zero-state vacuum energy must always be equal in absolute magnitude to the vacuum energy density ρ ( ...dark energy and ( ρ + 3 ...

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An Alternative Approach to Estimate the Vacuum Energy Density of Free Space

An Alternative Approach to Estimate the Vacuum Energy Density of Free Space

... the vacuum energy. Attempts to calculate the magnitude of this energy using the standard model of particle physics led to values which are 59 – 120 orders of magnitude larger than the experimentally ...

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Gravitational “Constant” G as a Function of Quantum Vacuum Energy Density and its Dependence on the Distance from Mass

Gravitational “Constant” G as a Function of Quantum Vacuum Energy Density and its Dependence on the Distance from Mass

... quantum vacuum energy density, so suggesting further evidence of a deep relationship between the gravitational force strength G and ZPF energy ...

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Bianchi type vi0 massive string cosmological models with magnetic field and time dependent vacuum energy density in general relativity

Bianchi type vi0 massive string cosmological models with magnetic field and time dependent vacuum energy density in general relativity

... dependent vacuum energy ...weak energy conditions given by Hawking and Ellis [51] while the second model satisfies weak energy ...the vacuum energy density ...

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Relativistic Energy and Mass Originate from Homogeneity of Space and Time and from Quantum Vacuum Energy Density

Relativistic Energy and Mass Originate from Homogeneity of Space and Time and from Quantum Vacuum Energy Density

... quantum vacuum (QV), determining the properties of physical space, ruled by the Planck metric (so called because it makes use, to define the most fundamental structure of QV, of Planck mass and length only), in ...

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Anisotropic Universe Models with Positive Cosmological Constant

Anisotropic Universe Models with Positive Cosmological Constant

... the vacuum energy density and the realization that a simple Kantowski-Sachs model might fit the classical tests of cosmology, we study the qualitative behavior of three anisotropic and homogeneous ...

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Search | Preprints

Search | Preprints

... Lorentz-invariant vacuum fluid in Einstein field ...the vacuum energy density due to quantum ...dark energy) is the most suitable candidate to explain recent observations that universe ...

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Why Zeldovich Failed to Estimate the Precise Value of Cosmological Constant in Planck Unit?

Why Zeldovich Failed to Estimate the Precise Value of Cosmological Constant in Planck Unit?

... of vacuum energy density or cosmological constant? And, to investigate the reason behind it, we independently derived his empirically proposed equa- tion by using a novel approach while inferring ...

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Inconsistencies in Theoretical Physics, with Focus on the Higgs Mechanism

Inconsistencies in Theoretical Physics, with Focus on the Higgs Mechanism

... the vacuum energy density (VED) ρ V , one inside the hadron as a bag in quantum chromodynamics (QCD), for particle and nuclear phys- ics, and one for the de Sitter phase gravitational background ...

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ON THE VACUUM STRESS ENERGY TENSOR IN GENERAL RELATIVITY

ON THE VACUUM STRESS ENERGY TENSOR IN GENERAL RELATIVITY

... the vacuum interacts with ...short-range vacuum-vacuum interactions can in the end lead to a long-range effective force just like an elastic deformation in a solid can be transmitted over large ...

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The Solution Cosmological Constant Problem

The Solution Cosmological Constant Problem

... This vacuum energy density is believed to act as a contribu- tion to the cosmological constant λ appearing in Einstein’s field equations from 1917, ...

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Relativistic Rate of Clocks and Stability of the Gravitational Constant G

Relativistic Rate of Clocks and Stability of the Gravitational Constant G

... quantum vacuum model shows that the Lorentz factor  and velocity v of relativistic physical object are related with the diminished energy density of quantum vacuum in the centre of the ...

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Early Universe and Evolution of the Present Universe: Exact Solution Models

Early Universe and Evolution of the Present Universe: Exact Solution Models

... the energy- momentum tensor of the matter content by ...the vacuum energy density has been taken to vary as the radiation energy density discussed by [11,12] discussed about the ...

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Some Discussion of Gravitational constant and cosmological constant Using Bianchi Type-I cosmological Model

Some Discussion of Gravitational constant and cosmological constant Using Bianchi Type-I cosmological Model

... homogeneous energy density that causes the expansion of the universe to ...Dark Energy, which is one of the reasons of acceleration of Universe. vacuum energy and the cosmological ...

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Vol 8, No 9 (2017)

Vol 8, No 9 (2017)

... In this paper we have investigated LRS Bianchi type I anti- stiff fluid cosmological model with electromagnetic field and vacuum energy density. We have assumed that F 12 is the only non-vanishing ...

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Gravity Originates from Variable Energy Density of Quantum Vacuum

Gravity Originates from Variable Energy Density of Quantum Vacuum

... diminished energy density of a Quantum Vacuum, characterized by a granular structure quantized through a Planck ...Quantum Vacuum energy density ...Quantum Vacuum in the ...

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Cosmological Constant in SUGRA Models with Degenerate Vacua

Cosmological Constant in SUGRA Models with Degenerate Vacua

... Abstract: The extrapolation of couplings up to the Planck scale within the standard model (SM) indicates that the Higgs effective potential can have two almost degenerate vacua, which were predicted by the multiple point ...

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Bianchi Type VI0 String Cosmological Model for Barotropic Fluid Distribution with  Cosmological Term

Bianchi Type VI0 String Cosmological Model for Barotropic Fluid Distribution with Cosmological Term

... Khadekar et al. [6, 7], Pradhan et al. [8, 9], Tyagi et al. [11, 13], Verma et al. [15]. String dust cosmological model for barotropic fluid distribution with vacuum energy density in FRW space-time ...

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Remarkable Predictions of Classical Electrodynamics on Elementary Charge and the Energy Density of Vacuum

Remarkable Predictions of Classical Electrodynamics on Elementary Charge and the Energy Density of Vacuum

... cuum energy density we had to utilize both the experimental fact that the electric charge is quantized and the concept of photons from quantum ...the vacuum energy density as a function ...

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Was There a Negative Vacuum Energy in Your Past?

Was There a Negative Vacuum Energy in Your Past?

... positive vacuum energy is proceeded by a flat universe with a negative vacuum ...negative vacuum energy is con- sistent with a supersymmetric ground state similar to that predicted by ...

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