Anthony Aguirre: Entropy in long-lived genuinely closed quantum systems

Anthony Aguirre (UCSC)
6:30-8:30pm Tuesday Feb 4; NYU Philosophy Department (5 Washington Place, New York, NY), 3rd floor seminar room

Title: Entropy in long-lived genuinely closed quantum systems

Abstract: Physical systems are often considered “closed” or “isolated” as a convenient approximation.  But genuinely closed systems are possible, in some cases with unbounded duration.  Starting with definitions of the state space and coarse-graining of that space into “properties,” I’ll discuss several definitions of entropy, including a relatively new framework we have developed.  In the context of ultra-long-lived systems I’ll discuss equilibrium and large fluctuations away from it, including both simulations and some intriguing and perhaps counterintuitive analytic results.

There will be dinner after the talk. If you are interested, please send an email with “Dinner” in the heading to (please note that all are welcome, but only the speaker’s dinner will be covered.) If you have any other questions, please email 

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