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cond-mat.mes-hall2022★ 10 cited
Polarization jumps by breaking symmetries of two-dimensional Weyl semimetals
Hiroki Yoshida, Tiantian Zhang, Shuichi Murakami
The electric polarization as a bulk quantity is described by the modern theory of polarization in insulating systems and cannot be defined in conducting systems. Upon a gradual cha…
cond-mat.stat-mech2022★ 3 cited
Dynamical Lee-Yang zeros for continuous-time and discrete-time stochastic processes
Hiroki Yoshida, Kazutaka Takahashi
We describe classical stochastic processes by using dynamical Lee-Yang zeros. The system is in contact with external leads and the time evolution is described by the two-state clas…