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quant-ph2019★ 10 cited
Lefschetz-thimble inspired analysis of the Dykhne-Davis-Pechukas method and an application for the Schwinger Mechanism
Kenji Fukushima, Takuya Shimazaki
Dykhne-Davis-Pechukas (DDP) method is a common approximation scheme for the transition probability in two-level quantum systems, as realized in the Landau-Zener effect, leading to…
quant-ph2001★ 3 cited
Explicit conversion from the Casimir force to Planck's law of radiation
Kenji Fukushima, Koichi Ohta
The Casimir force has its origin in finite modification of the infinite zero-point energy induced by a specific boundary condition for the spatial configuration. In terms of the im…