Coarse-graining of atomistic description at finite temperature using formal asymptotics

2011 ◽  
Author(s):  
Yashashree Kulkarni
Keyword(s):  
Finite Temperature ◽  
Coarse Graining ◽  
Formal Asymptotics

scholarly journals COARSE-GRAINING 1/2 BPS GEOMETRIES OF TYPE IIB SUPERGRAVITY

2006 ◽  
Vol 21 (17) ◽  
pp. 3495-3502 ◽  
Author(s):  
ALEX BUCHEL
Keyword(s):  
Hilbert Space ◽  
Finite Temperature ◽  
Coarse Graining ◽  
Fermi Gas ◽  
Free Fermion ◽  
Temperature Equilibrium

Recently Lin, Lunin and Maldacena (LLM)1 explicitly mapped 1/2 BPS excitations of type IIB supergravity on AdS 5 × S 5 into free fermion configurations. We discuss thermal coarse-gaining of LLM geometries by explicitly mapping the corresponding equilibrium finite temperature fermion configuration into supergravity. Following Mathur conjecture, a prescription of this sort should generate a horizon in the geometry. We did not find a horizon in finite temperature equilibrium LLM geometry. This most likely is due to the fact that coarse-graining is performed only in a half-BPS sector of the full Hilbert space of type IIB supergravity. For temperatures much less than the AdS curvature scale the equilibrium background corresponding to nearly degenerate dual Fermi-gas is found analytically.

scholarly journals Unblocking of stellar electron capture for neutron-rich N=50 nuclei at finite temperature

2020 ◽  
Vol 101 (2) ◽  
Author(s):  
Alan A. Dzhioev ◽  
K. Langanke ◽  
G. Martínez-Pinedo ◽  
A. I. Vdovin ◽  
Ch. Stoyanov
Keyword(s):  
Electron Capture ◽  
Finite Temperature
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