Any system of coupled oscillators may be characterized by its spectrum of resonance
frequencies (or eigenfrequencies), which can be tuned by varying the system's parameters …

We show a method to accelerate quantum adiabatic dynamics of wave functions under
electromagnetic field (EMF) by developing the preceding theory [Masuda and Nakamura …

We construct a unifying theory of geometric effects in mesoscopic stochastic kinetics. We
demonstrate that the adiabatic pump and the reversible ratchet effects, as well as similar …

We investigate the Landau-Zener tunneling (LZT) of a self-interacting two-level system in
which the coupling between the levels is nonreciprocal. In such a non-Hermitian system …

We investigate the effect of nonlinearity in a system described by an adiabatically evolving
Hamiltonian. Experiments are conducted in a three-core waveguide structure that is …

We obtain the ground-state energy level and associated geometric phase in the Dicke
model analytically by means of the Holstein-Primakoff transformation and the boson …

In a nonlinear three-wave mixing process, the interacting waves can accumulate an
adiabatic geometric phase (AGP) if the nonlinear coefficient of the crystal is modulated in a …

研究了双势阱玻色+ 爱因斯坦凝聚体系(BEC) 的自俘获现象(self+ trapping).
在平均场近似下通过相平面(phase space) 分析的方法研究了两种自俘获的机理: 1) …

We demonstrate that Berry phases may greatly affect the dynamics of spin-orbit-coupled
Bose-Einstein condensates. The effective model Hamiltonian under consideration is shown …

The Berry phase acquired by an eigenstate that experienced a nonlinear adiabatic evolution
is investigated thoroughly. The circuit integral of the Berry connection of the instantaneous …