高知工科大学 統合量子素子研究室セミナー
田中篤司博士（首都大物理）平成３０年８月２１日
Kochi University of Technology
Unified Quantum Device Laboratory Seminar
⭐Speaker: Dr. Atushi Tanaka (Tokyo Metropolitan University)
⭐Date&Time : 8 / 21/2018 (Tue) 16:20-17:50
⭐Place: Kami Campus, B493
⭐Title: Diabatic population inversion of Bose particles through a swallowtail
⭐Abstract:
Recently, it is shown that a quantum particle in a box can be adiabatically deformed from its ground state into the first excited state through a cyclic operation on a sharp wall within the box [1]. Here we explain an extension of the adiabatic cyclic excitation to Bose particles described by a nonlinear Schroedinger equation. It turns out that the level crossing that appears in the single particle case becomes a swallow tail, which shifts the position of “diabatic crossing point” (cf. [2]).
[1] Kasumie, Miyamoto and Tanaka, PRA 93, 042105 (2016); Tanaka and Cheon, NJP 18, 045023 (2016).
[2] Damski, Karkuszewski, Sacha, and Zakrzewski, Phys. Rev. A 65, 013604 (2002).
