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expanding universe

Variational Principle in an Expanding Universe

Variational Principle in an Expanding Universe

... a universe governed by gravitation: to avoid a rapid gravitational collapse, which would deny also our existence itself, Einstein puts “ad hoc”, but without identifying cause, the existence of a balancing pressure ...

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Quantum Field Model of the Origin of Matter Energy in the Expanding Universe

Quantum Field Model of the Origin of Matter Energy in the Expanding Universe

... ϕ = ¯ ϕ → χ ¯ + ¯ ν + ¯ n and then ¯ n → p ¯ + e + + ν. (2) Within the framework of the quark model, the conden- sate under consideration can be a chargeless aggregate of point-like quarks and gluons, a kind of ...

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Local Observers in an Expanding Universe: Is the Cosmological Constant Correlated with Thermodynamic Entropy?

Local Observers in an Expanding Universe: Is the Cosmological Constant Correlated with Thermodynamic Entropy?

... the Universe is small, the observer detects a large amount of the total cosmic bits, which number is ...our Universe, ...the Universe expands, the information gets ergodically “diluted” in our ...

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(Precursor for) Quantum Boundary Conditions for Expanding Universe

(Precursor for) Quantum Boundary Conditions for Expanding Universe

... Using Hall and Reginatto’s condition for a Wheeler De Witt Equation for a Fried- man-Walker metric coupled to a (Inflaton) scalar field φ , we delineate the outer boundary of the value of a scale factor a t ( ) for ...

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The expanding universe of transposon technologies for gene and cell engineering

The expanding universe of transposon technologies for gene and cell engineering

... Transposon-based technologies have enormous potential to develop powerful genomic tools with the vision of creating a bridge between physiology and genetics and to establish safe and inexpensive protocols for clinical ...

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A study on the expanding universe based on a model of the time variation of its matter content in the framework of brans dicke theory

A study on the expanding universe based on a model of the time variation of its matter content in the framework of brans dicke theory

... the universe ( � ) decreases with ...the universe as a function of time for two different values of � in its lower ...the universe and also the conversion of matter into some other form of ...the ...

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Evolution of a domain wall in expanding universe: inflation and after it

Evolution of a domain wall in expanding universe: inflation and after it

... In Fig. 1 we presented the domain walls with the initial physical width of the ones in stationary universe (H = 0). By doing that, we are separating the influence of cosmological expansion from the natural ...

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Gravitational Collapse of Massless Fields in an Expanding Universe

Gravitational Collapse of Massless Fields in an Expanding Universe

... We have considered gravitational collapse of a scalar field with the periodic boundary condition in a cubic box. This system can be regarded as a lattice universe model. We have shown that, when the initial ...

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On the Ultimate Fate of Massive Neutron Stars in an Ever Expanding Universe

On the Ultimate Fate of Massive Neutron Stars in an Ever Expanding Universe

... However, an evolutionary track, in which the first stars or at least a part of them, may have collapsed to form pulsars and/or neutron stars cannot be statistically excluded. Moreover, if the parameters characterizing ...

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The Acoustic Wave Equation in the Expanding Universe: Sachs-Wolfe Theorem »

The Acoustic Wave Equation in the Expanding Universe: Sachs-Wolfe Theorem »

... This article considers the acoustic field propagating in the radiation-dominated ( p = e ê 3) universe of arbitrary space curvature (K = 0, ± 1). The field equations are reduced to the dʼAlembert equation in an ...

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Astronomy   Galaxies and the Expanding Universe pdf

Astronomy Galaxies and the Expanding Universe pdf

... early Universe is at the boundary of astronomy and philosophy since we do not currently have a complete theory that unifies all the fundamental forces of Nature at the moment of ...early Universe physics to ...

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Expanding Universe Illusion

Expanding Universe Illusion

... Movie 4 shows the illusion with a texture of multiple dot streams, each dot still following a straight track, ranging from vertical at the centre of the triangle, to oblique along its edges. This variant of the illusion ...

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Expanding Universe Balloon lab 2017

Expanding Universe Balloon lab 2017

... The Universe is expanding. What does this mean? Are your ears gradually getting further apart? Fortunately no, even though your head is part of the Universe it is not expanding. Nearby, forces ...

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Universe: Not Expanding

Universe: Not Expanding

... the Universe is expanding [5, ...the Universe is expanding at an accelerated rate [5, ...of expanding Universe also led to the conceptualization that the Universe was ...

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Why the Speed of Light Is Not a Constant

Why the Speed of Light Is Not a Constant

... There have been several publications in the past deal- ing with Variable Speed of Light (VSL) in cosmology [3-6]. Some of the models conserve the mass of the uni- verse and therefore not the energy. And all let the value ...

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The Cosmological Evolution of Baryonic Matter’S Density Perturbations Under Influence of the Quintessence

The Cosmological Evolution of Baryonic Matter’S Density Perturbations Under Influence of the Quintessence

... the expanding Universe it is necessary to know the physical property of concrete field that represents the background of substrate type of dark en- ...

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A novel expression system for production of soluble prion proteins in E. coli

A novel expression system for production of soluble prion proteins in E. coli

... 1. Colby DW, Prusiner SB: Prions. Watts JC, Balachandran A, Westaway D: The expanding universe of prion diseases. Makrides SC: Strategies for achieving high-level expression of genes in [r] ...

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WHITE REVOLUTION 2014-15?... A new theory on Neutrino Milk

WHITE REVOLUTION 2014-15?... A new theory on Neutrino Milk

... the expanding universe, during the course of “SPACE” and “TIME” three milky way galaxies shall be considered “evolved” in three “Nuclear evolution” say BLUE EVOLUTION, GREEN EVOLUTION, RED ...

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Planckon Densely Piled Vacuum

Planckon Densely Piled Vacuum

... the universe energy density and the creation of cosmons as ...the universe and the vacuum constitute a compound system, each of them is an open ...stationary universe, the radiation and absorption ...

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COSMIC RANDOM WALKS UNDERLYING AN INFINITE-GENUS UNIVERSE

COSMIC RANDOM WALKS UNDERLYING AN INFINITE-GENUS UNIVERSE

... The canonical account of black holes’s formation describes contracting stars, which give rise to mass accretion able to bend spacetime, until a black hole is produced. Our model provides another way to generate black ...

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