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Autor:
Borzou, Ahmad
This paper introduces a comprehensive methodology for examining the stability of dark matter (DM) halos, emphasizing the necessity for non-local inter-particle interactions, whether they are fundamental or effective in nature, to maintain halo stabil
Externí odkaz:
http://arxiv.org/abs/2308.15592
Autor:
Borzou, Ahmad
Publikováno v:
Universe 2022, 8(7), 386
The predicted size of dark matter substructures in kilo-parsec scales is model-dependent. Therefore, if the correlations between dark matter mass densities as a function of the distances between them are measured via observations, we can scrutinize d
Externí odkaz:
http://arxiv.org/abs/2203.01525
Autor:
Borzou, Ahmad, Schwarz, J. M.
Brain organoids recapitulate a number of brain properties, including neuronal diversity. However, do they recapitulate brain structure? Using a hydrodynamic description for cell nuclei as particles interacting initially via an effective, attractive f
Externí odkaz:
http://arxiv.org/abs/2108.05824
Modeling living systems at the collective scale can be very challenging because the individual constituents can themselves be complex and the respective interactions between the constituents are not fully understood. With the advent of high throughpu
Externí odkaz:
http://arxiv.org/abs/2103.03461
Autor:
Borzou, Ahmad
Publikováno v:
JCAP 08 (2021) 023
The system of stability equations for galactic halos is under-determined in most of the models of dark matter (DM). Conventionally, the issue is resolved by taking the temperature as a constant, and the chemical potential and the mass density as posi
Externí odkaz:
http://arxiv.org/abs/2102.09078
Autor:
Borzou, Ahmad
In this paper, we present a non-geometrodynamic quantum Yang-Mills theory of gravity based on the homogeneous Lorentz group within the general framework of the Poincare gauge theories. The obstacles of this treatment are that first, on the one hand,
Externí odkaz:
http://arxiv.org/abs/2004.01535
Autor:
Borzou, Ahmad
Publikováno v:
Eur. Phys. J. C 80, 1076 (2020)
The stability of isothermal dark matter halos has been widely studied before. In this paper, we investigate the stability of non-isothermal fermionic dark matter halos. We show that in the presence of temperature gradient, the force due to the pressu
Externí odkaz:
http://arxiv.org/abs/2003.04532
Akademický článek
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Autor:
Borzou, Ahmad
We show that if dark matter in a typical galaxy is a degenerate Fermi gas, particles should have a mass of $\sim$ 1eV for the galaxy to be stable. While this is the mass range of the active neutrinos, they are not a dark matter candidate in SM-GR-$\L
Externí odkaz:
http://arxiv.org/abs/1811.00716