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Asymptotic forms and scaling properties of the relaxation time near threshold points in spinodal-type dynamical phase transitions
Takashi Mori, Seiji Miyashita, Per Arne Rikvold
We study critical properties of the relaxation time at a threshold point in switching processes between bistable states under change of external fields. In particular, we investiga…
Comparison among Various Expressions of Complex Admittance for Quantum System in Contact with Heat Reservoir
Mizuhiko Saeki, Chikako Uchiyama, Takashi Mori +1
Relation among various expressions of the complex admittance for quantum systems in contact with heat reservoir is studied. Exact expressions of the complex admittance are derived…
Threshold Phenomena under Photo Excitation of Spin-crossover Materials with Cooperativity due to Elastic Interactions
Seiji Miyashita, Per Arne Rikvold, Takashi Mori +3
Photo-induced switching from the low-spin state to the high-spin state is studied in a model of spin-crossover materials, in which long-range interactions are induced by elastic di…
Scaling properties of the relaxation time near the mean-field spinodal
Takashi Mori, Seiji Miyashita, Per Arne Rikvold
We study the relaxation processes of the infinitely long-range interaction model (the Husimi-Temperley model) near the spinodal point. We propose a unified finite-size scaling func…