3 papers
quant-ph2026
Gravitational effects on a dissipative two-level atom in the weak-field regime
Kaito Kashiwagi, Akira Matsumura
We investigate the dissipative dynamics of a two-level atom in a weak gravitational field. Using the Feynman--Vernon influence functional formalism, we derive a quantum master equa…
quant-ph2024
Effective description of open quantum dynamics in relativistic scattering
Kaito Kashiwagi, Akira Matsumura
The open dynamics of quantum particles in relativistic scattering is investigated. In particular, we consider the scattering process of quantum particles coupled to an environment…
quant-ph2023
Markovian quantum master equation with Poincaré symmetry
Kaito Kashiwagi, Akira Matsumura
We investigate what kind of Markovian quantum master equation (QME) in the Gorini-Kossakowski-Sudarshan-Lindblad (GKSL) form is realized under Poincaré symmetry. The solution of th…