2 papers
quant-ph2021
Distinctive class of dissipation-induced phase transitions and their universal characteristics
Matteo Soriente, Toni L. Heugel, Keita Arimitsu +2
Coupling a system to a nonthermal environment can profoundly affect the phase diagram of the closed system, giving rise to a special class of dissipation-induced phase transitions.…
cond-mat.supr-con2018
Modification of the effective action approach for the Leggett mode
Keita Arimitsu
The modified procedure to get the effective action is discussed. Careful observation of phase of electrons leads to the conclusion that Hubbard-Stratonovich field should be pair wa…