Date
November 12 at 10:30 - 12:00, 2020 (JST)
Speaker
Dr. Yuya Tanizaki (Assistant Professor, Yukawa Institute for Theoretical Physics, Kyoto University) Edit
Venue
via Zoom
Language
English

In this talk, I will explain my previous study with Takayuki Koike on a possible approach to quantum tunneling via Lefschetz thimbles. We classified all the complex saddle points for the real-time path integral for the symmetric double-well quantum mechanics. We looked at various properties of those complex solutions, which motivated us to conclude that the computation of tunneling amplitudes for the symmetric double well requires the interference of infinitely many Lefschetz thimbles. I would also like to talk about some speculations, admittingly being very optimistic.

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