Journal
NEW JOURNAL OF PHYSICS
Volume 22, Issue 12, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/abce78
Keywords
stochastic thermodynamics; feedback trap; shortcut-to-adiabaticity
Categories
Funding
- MoST of Taiwan [108-2112-M-008-009, 107-2112-M-008-013-MY3]
- NCTS of Taiwan
- Basic Science Research Program of the National Research Foundation(NRF) - Ministry of Education in Korea [2020R1A2C100976111]
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Realizing quasistatic processes in finite times requires additional control parameters to keep the system in instantaneous equilibrium (ieq). However, the finite-rate ieq transition of the reverse process is not just the time-reversal of the ieq forward process due to the odd-parity of controlling parameters. We theoretically show a work relation that the dissipated work of the ieq transition of the forward process is the same as that of the corresponding reverse process. The work relation can be interpreted as a generalization of equilibrium (quasistatic) processes. The work relation and the associated statistics of nonequilibrium work are experimentally confirmed in three different Brownian systems: the time-varying harmonic and non-harmonic potentials and the Brownian harmonic transport, which are manipulated by the optical feedback trap.
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