Zobrazeno 1 - 10
of 1 734
pro vyhledávání: '"Goswami, K."'
In this article a class of anisotropic compact star is analysed in Heintzmann geometry. We have introduced the pressure anisotropy parameter ($\alpha$) and solved Einstein field equations to obtain stellar model. We have considered $g_{tt}$ component
Externí odkaz:
http://arxiv.org/abs/2309.11468
A class of strange star is analyzed in the present article in hydrostatic equilibrium whose state is defined by a CFL phase equation of state. We compare our result with those obtained from MIT bag equation of state for strange quark matter which are
Externí odkaz:
http://arxiv.org/abs/2304.01629
In this article, we demonstrated a stellar model for compact star in presence of strange matter embedded in $D\ge4$ dimensional space-time defind by Finch-Skea metric. To study the relevant physical properties of the interior matter, we consider the
Externí odkaz:
http://arxiv.org/abs/2302.13637
Autor:
Roy, R.1 (AUTHOR), Goswami, K. B.1 (AUTHOR), Saha, A.1,2 (AUTHOR), Hakim, A.1 (AUTHOR), Chattopadhyay, P. K.1 (AUTHOR) pkc_76@rediffmail.com
Publikováno v:
European Physical Journal C -- Particles & Fields. Jun2024, Vol. 84 Issue 6, p1-20. 20p.
Publikováno v:
Phys. Rev. A 104, 022432 (2021)
Every quantum system is coupled to an environment. Such system-environment interaction leads to temporal correlation between quantum operations at different times, resulting in non-Markovian noise. In principle, a full characterisation of non-Markovi
Externí odkaz:
http://arxiv.org/abs/2102.01327
Autor:
Goswami, K., Romero, J.
Quantum causality extends the conventional notion of fixed causal structure by allowing channels and operations to act in an indefinite causal order. The importance of such an indefinite causal order ranges from the foundational---e.g. towards a theo
Externí odkaz:
http://arxiv.org/abs/2009.00515
Akademický článek
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Akademický článek
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Publikováno v:
Phys. Scr. 94 125210 (2019)
Propagation of solitary wave in dusty plasmas started to draw the attention of the physicists since the early 90s. The presence of superthermal particles seems to have a great impact on such waves, as they indicate the existence of non-thermal system
Externí odkaz:
http://arxiv.org/abs/1904.03931
The primary X-ray emission in active galactic nuclei (AGN) originates in a compact region called the corona located very close to the super-massive black hole and the accretion disk. The knowledge of the cut-off energy ($E_{cut}$) of the primary X-ra
Externí odkaz:
http://arxiv.org/abs/1901.07594