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Physics Colloquium – Mithat Ünsal
September 19, 2018 | 4:00 pm - 5:00 pm
Title: Generalized Partition Functions and Quantum Distillations
Abstract: I describe a generalization of the notion of partition function in general quantum field theories. The thermal partition function is a state sum over the Hilbert space, which typically has non-analyticities, and can
be used to study phase transitions, and thermodynamics. I will construct graded states sums which may potentially be analytic. I will show that this notion is useful to understand the general aspects of quantum
field theory. I will provide simple examples.