期刊
PHYSICAL REVIEW LETTERS
卷 127, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.127.190605
关键词
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资金
- Agence Nationale de la Recherche [ANR-18-CE30-0013]
- FEDER/Ministerio de Ciencia e Innovacion-Agencia Estatal de Investigacion (Spain) [PGC2018-093998-B-I00]
- Junta de Andalucia
- European Social Fund through the program PAIDI-DOCTOR
This study uses reverse engineering to apply an external potential to a Brownian system, altering the dynamics and arrow of time, and accurately connecting two arbitrary states. The research provides a systematic approach to construct a physically feasible driving force for the transformation between different states.
Using a reverse-engineering approach on the time-distorted solution in a reference potential, we work out the external driving potential to be applied to a Brownian system in order to slow or accelerate the dynamics, or even to invert the arrow of time. By welding a direct and time-reversed evolution toward a well chosen common intermediate state, we analytically derive a smooth protocol to connect two arbitrary states in an arbitrarily short amount of time. Not only does the reverse-engineering approach proposed in this Letter contain the current-rather limited-catalog of explicit protocols, but it also provides a systematic strategy to build the connection between arbitrary states with a physically admissible driving. Optimization and further generalizations are also discussed.
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