期刊
PHYSICAL REVIEW LETTERS
卷 122, 期 25, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.122.250402
关键词
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资金
- Adams Fellowship Program of the Israel Academy of Sciences and Humanities
- Israel Science Foundation [2244/14]
- National Science Foundation [NSF PHY-1748958]
- Basque Government [IT986-16]
- MINECO/FEDER, UE [FIS2015-67161-P]
We present a procedure to accelerate the relaxation of an open quantum system towards its equilibrium state. The control protocol, termed the shortcut to equilibration, is obtained by reverse-engineering the nonadiabatic master equation. This is a nonunitary control task aimed at rapidly changing the entropy of the system. Such a protocol serves as a shortcut to an abrupt change in the Hamiltonian, i.e., a quench. As an example, we study the thermalization of a particle in a harmonic well. We observe that for short protocols the accuracy improves by 3 orders of magnitude.
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