Search Results - "Gurzadyan, V G"

Two fundamental constants of gravity unifying dark matter and dark energy by Gurzadyan, V. G., Stepanian, A.

“…The common nature of the dark sector—dark energy and dark matter—as shown in Gurzadyan ( arXiv:1712.10014 , 2017 ) follows readily from the consideration of…”
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The cosmological constant derived via galaxy groups and clusters by Gurzadyan, V. G., Stepanian, A.

“…The common nature of dark matter and dark energy is argued in Gurzadyan (Eur Phys J Plus 134:14, 2019 ) based on the approach that the cosmological constant Λ…”
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Gravity lens critical test for gravity constants and dark sector by Gurzadyan, V. G., Stepanian, A.

“…The recent study of the strong gravitational lens ESO 325-G004 (Collett et al., Science, 360:1342, 2018 ) leads to a new possibility for testing General…”
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On the Lambda-evolution of galaxy clusters by Gurzadyan, V. G., Kocharyan, A. A., Stepanian, A.

“…The evolution of galaxy clusters can be affected by the repulsion described by the cosmological constant. This conclusion is reached within the modified…”
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Lense–Thirring precession and gravito–gyromagnetic ratio by Stepanian, A., Khlghatyan, Sh, Gurzadyan, V. G.

“…The geodesics of bound spherical orbits i.e. of orbits performing Lense–Thirring precession, are obtained in the case of the Λ term within the…”
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The light speed versus the observer: the Kennedy–Thorndike test from GRAAL-ESRF by Gurzadyan, V. G., Margaryan, A. T.

“…High precision tests of the light speed constancy for all observers as a empirical basis of Special Relativity have continuously been among the goals of…”
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Towards investigation of evolution of dynamical systems with independence of time accuracy: more classes of systems by Gurzadyan, V. G., Kocharyan, A. A.

“…The recently developed method (Paper 1) enabling one to investigate the evolution of dynamical systems with an accuracy not dependent on time is developed…”
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A principal possibility for computer investigation of evolution of dynamical systems independent on time accuracy by Gurzadyan, V. G., Harutyunyan, V. V., Kocharyan, A. A.

“…Extensive N -body simulations are among the key means for the study of numerous astrophysical and cosmological phenomena, so various schemes are developed for…”
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On the common nature of dark matter and dark energy: Galaxy groups by Gurzadyan, V. G.

“… It is shown that the cosmological constant links the roots both of General Relativity and Newtonian gravity via the general function satisfying Newton’s…”
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Hubble tension vs two flows by Gurzadyan, V. G., Stepanian, A.

“…The Hubble tension is shown to be solvable, without any free parameter, conceptually and quantitatively, within the approach of modified weak-field General…”
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Flat Universe with hyperbolic voids by Gurzadyan, V. G, Kocharyan, A. A

“…The properties of geodesics flow are studied in a Friedmann-Robertson-Walker metric perturbed due to the inhomogeneities of matter. The basic, averaged Jacobi…”
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Black hole shadow to probe modified gravity by Stepanian, A., Khlghatyan, Sh, Gurzadyan, V. G.

“…We study the black hole’s shadow for Schwarzschild–de Sitter and Kerr–de Sitter metrics with the contribution of the cosmological constant Λ . Based on the…”
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Cosmological constant as a fundamental constant by Gurzadyan, V. G., Stepanian, A.

“… We consider further consequences of the recently (Eur. Phys. J. C 78 , 632 (2018)) revealed role of cosmological constant Λ as of a physical constant, along…”
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Focus point on tensions in cosmology from early to late universe: the value of the Hubble constant and the question of dark energy by Capozziello, S., Gurzadyan, V. G.

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tension: clue to common nature of dark sector? by Gurzadyan, V. G, Stepanian, A

“…The recently sharpened [Formula omitted] tension is argued not to be a result of data calibration or any other systematic feature, but an indication for the…”
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On CCC-predicted concentric low-variance circles in the CMB sky by Gurzadyan, V. G., Penrose, R.

“…A new analysis of the CMB, using WMAP data, supports earlier indications of non-Gaussian features of concentric circles of low temperature variance. Conformal…”
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Cosmological constant, information and gedanken experiments with black hole horizons by Gurzadyan, V. G., Stepanian, A.

“…The cosmological constant if considered as a fundamental constant provides an information treatment for gravitation problems, both cosmological and of black…”
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Focus point on modified gravity theories and cosmology by Capozziello, S., Gurzadyan, V. G.

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Smearing of primordial gravitational waves by Samsonyan, M., Kocharyan, A. A., Gurzadyan, V. G.

“…A mechanism for smearing of the primordial gravitational waves during the radiation-dominated phase of the evolution of the Universe is considered. It is shown…”
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Kolmogorov analysis detecting radio and Fermi gamma-ray sources in cosmic microwave background maps by Gurzadyan, V. G, Kashin, A. L, Khachatryan, H. G, Kocharyan, A. A, Poghosian, E, Vetrugno, D, Yegorian, G

“…The Kolmogorov stochasticity parameter is shown to act as a tool to detect point sources in the cosmic microwave background (CMB) radiation temperature maps…”
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