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Article overview
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Ground state cooling is not possible given initial system-thermal bath factorization | Lian-Ao Wu
; Dvira Segal
; Paul Brumer
; | Date: |
16 Oct 2012 | Abstract: | In this paper we prove that a fundamental constraint on the cooling dynamic
implies that it is impossible to cool, via a unitary system-bath quantum
evolution, a system that is embedded in a thermal environment down to its
ground state, if the initial state is a factorized product of system and bath
states. The latter is a crucial but artificial assumption often included in
many descriptions of system-bath dynamics. The analogous conclusion holds for
’cooling’ to any pure state of the system. | Source: | arXiv, 1210.4394 | Services: | Forum | Review | PDF | Favorites |
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