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SUMMARY:Quantum signatures in stochastic thermodynamics - Janet Anders\, U
 niversity of Exeter
DTSTART:20221108T130000Z
DTEND:20221108T140000Z
UID:TALK178556@talks.cam.ac.uk
CONTACT:Camille Scalliet
DESCRIPTION:Abstract: I will give an introduction to recent ideas in quant
 um (stochastic) thermodynamics with a focus on identifying quantum signatu
 res.  First\, we will unravel the fundamental differences between irrevers
 ibility in the quantum and classical regime. I will begin with recalling h
 ow to optimally use quantum coherences as “fuel” to convert heat into 
 work. We will then discuss how non-optimal protocols give rise to two type
 s of irreversibility\, and how this irreversibility manifests itself in en
 ergetic exchanges that differ from those in the classical regime [1].  Sec
 ond\, I will discuss how the work distribution of time-varying quantum sys
 tems violates the corresponding classical fluctuation-dissipation relation
  for slowly driven processes [2]. This result implies that quantum fluctua
 tions prohibit finding slow protocols that minimize both\, dissipation and
  fluctuations simultaneously. A geometric framework is proposed to find op
 timal trade-offs. \n\n[1] Energetic footprints of irreversibility in the q
 uantum regime\, H. Mohammady\, A. Auffeves\, J. Anders\, Comm. Phys. 3\, 1
  (2020).\n[2] Work Fluctuations in Slow Processes: Quantum Signatures and 
 Optimal Control\, H. Miller\, M. Scandi\, J. Anders\, M. Perarnau-Llobet\,
  Phys. Rev. Lett. 123\, 230603 (2019).\n\nZoom link: https://zoom.us/j/980
 16675669
LOCATION:Center for Mathematical Sciences\, Lecture room MR4 or https://zo
 om.us/j/98016675669
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