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Time-periodic ground-states

日程 : 2021年6月18日(金) 16:00 - 17:00 場所 : ZOOM開催 (下記リンク先にて事前登録をお願い致します) 講師 : Le Minh Cristian 氏 所属 : 東京大学理学系研究科物理学専攻 世話人 : 杉野 修
e-mail: sugino@issp.u-tokyo.ac.jp

While we cannot define a ground-state of time-dependent quantum systems in general, the time-periodic systems can overcome this issue due to the application of Floquet theory. In principle this application results in a static-like system, so it would follow that there can be an equivalent ground-state for these time-periodic systems. Indeed we can define one from the average-energy [1], and in this seminar we will explain the procedures for doing so. We will also explore the properties of this ground-state and how it can be applied to develop practical calculations.

[1]C. M. Le, R. Akashi, and S. Tsuneyuki, Defining a Well-Ordered Floquet Basis by the Average Energy, Physical Review A 102, 042212 (2020).

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(公開日: 2021年06月08日)