Landauer's Principle at Zero Temperature

Autor(es)

Timpanaro, Andre M. ^[1] ; Santos, Jader P. ^{[2, 3]} ; Landi, Gabriel T. ^{[2, 3]}

Afiliação do(s) autor(es)

^[1] Univ Fed ABC, BR-09210580 Santo Andre, SP - Brazil

^[2] Univ Sao Paulo, Inst Fis, BR-05314970 Sao Paulo - Brazil

^[3] Univ Sao Paulo, Inst Fis, BR-05314970 Sao Paulo, Brazil.Timpanaro, Andre M., Univ Fed ABC, BR-09210580 Santo Andre, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Physical Review Letters; v. 124, n. 24 JUN 16 2020.
• Citações Web of Science: 0

Resumo

Landauer's bound relates changes in the entropy of a system with the inevitable dissipation of heat to the environment. The bound, however, becomes trivial in the limit of zero temperature. Here we show that it is possible to derive a tighter bound which remains nontrivial even as T -> 0. As in the original case, the only assumption we make is that the environment is in a thermal state. Nothing is said about the state of the system or the kind of system-environment interaction. Our bound is valid for all temperatures and is always tighter than the original one, tending to it in the limit of high temperatures. (AU)

• Processo FAPESP: 17/07973-5 - Termodinâmica e tecnologias de informação utilizando sistemas quânticos de variáveis contínuas
• Beneficiário: Gabriel Teixeira Landi
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 18/12813-0 - Termodinâmica quântica de sistemas bosônicos
• Beneficiário: Gabriel Teixeira Landi
• Modalidade de apoio: Auxílio à Pesquisa - Regular