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Measurement aspects of statistical mechanics, classical and quantum alike.

August 4, 2017 - 4:00pm
Jiehang Zhang

Is information a physical quantity? Or perhaps it is merely a result of our logical deduction. These two don’t conflict with each other in a Bayesian framework, as two probabilities always exist: one from the statistical sample to be measurement, and one from the conclusion we draw from these measurements. I will discuss the information and measurement aspects of statistical mechanics: what happens after the moment that we stick a thermometer into a box. This sounds classical, but the quantum case is not much different. Discussions are based on the pioneering work by E. T. Jaynes [1], and recent realizations and extensions to the same principle [2]. No prior knowledge is required.

[1] E. T. Jaynes, Phys. Rev. 106, 620 (1957).
[2] M. N. Bera, A. Riera, M. Lewenstein, A. Winter. Arxiv 1707.01750 (2017).

(The JQI summer school is for students and postdocs, but others are welcome to join for refreshments and snacks afterward; Discussion with refreshments and snacks at 5:00 pm)

PSC 2136