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pro vyhledávání: '"Chaudhuri D"'
Publikováno v:
Phys. Rev. B 101, 035430 (2020)
In this paper we present a modified localization landscape theory to calculate localized/confined electron and hole states and the corresponding energy eigenvalues without solving a (large) eigenvalue problem. We motivate and demonstrate the benefit
Externí odkaz:
http://arxiv.org/abs/1910.07261
Akademický článek
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Publikováno v:
Hydrocarbon Processing. Apr2024, Vol. 103 Issue 4, p47-55. 9p.
Akademický článek
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Publikováno v:
Phys.Rev.D68:083519,2003
Entropy production from scalar decay in the era of low temperatures after neutrino decoupling will change the ratio of the relic neutrino temperature to the CMB temperature, and, hence, the value of N_eff, the effective number of neutrino species. Su
Externí odkaz:
http://arxiv.org/abs/astro-ph/0309135
Autor:
Adhya, Paramita, Chaudhuri, D. Rai
Late-time entropy production from scalar decay arises in scenarios like thermal inflation, proposed to dilute long-lived, massive fields like the gravitino and the moduli. The scalar decay may continue into Mev-scale temperatures and affect BB nucleo
Externí odkaz:
http://arxiv.org/abs/hep-ph/0304291
Autor:
Adhya, Paramita, Chaudhuri, D. Rai
Small Recent theories have proposed a variety of massive particles, like the moduli, whose abundance or decay endangers standard cosmological results. To dilute them, thermal inflation has been proposed, with its own massive scalar flaton field which
Externí odkaz:
http://arxiv.org/abs/hep-ph/0203142
Publikováno v:
Eur.Phys.J.C19:183-190,2001
Heavy right-handed neutrinos are of current interest. The interactions and decay of such neutrinos determine their decoupling epoch during the evolution of the universe. This in turn affects various observable features like the energy density, nucleo
Externí odkaz:
http://arxiv.org/abs/hep-ph/0006260
Autor:
Adhya, Paramita, Chaudhuri, D. Rai
Publikováno v:
Phys.Rev. D61 (2000) 033002
We investigate the effect of B+L - violating anomalous generation of massive right-handed neutrinos on their decoupling, when the right-handed neutrino mass is considerably greater than the right-handed gauge boson masses. Considering normal annihila
Externí odkaz:
http://arxiv.org/abs/hep-ph/9907290
Publikováno v:
Phys.Rev. D61 (2000) 043508
Starting from an initial state of thermal equilibrium, we derive an expression for the quantum fluctuation in the energy density during the inflationary epoch in terms of the mode functions for the inflaton field. The effect of this particular initia
Externí odkaz:
http://arxiv.org/abs/hep-ph/9902388