Measuring the knot of non-Hermitian degeneracies and non-commuting braids
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 …
frequencies (or eigenfrequencies), which can be tuned by varying the system's parameters …
Acceleration of adiabatic quantum dynamics in electromagnetic fields
S Masuda, K Nakamura - Physical Review A—Atomic, Molecular, and Optical …, 2011 - APS
We show a method to accelerate quantum adiabatic dynamics of wave functions under
electromagnetic field (EMF) by developing the preceding theory [Masuda and Nakamura …
electromagnetic field (EMF) by developing the preceding theory [Masuda and Nakamura …
Universal geometric theory of mesoscopic stochastic pumps and reversible ratchets
NA Sinitsyn, I Nemenman - Physical review letters, 2007 - APS
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 …
demonstrate that the adiabatic pump and the reversible ratchet effects, as well as similar …
Adiabaticity in nonreciprocal Landau-Zener tunneling
WY Wang, B Sun, J Liu - Physical Review A, 2022 - APS
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 …
which the coupling between the levels is nonreciprocal. In such a non-Hermitian system …
Effect of nonlinearity on adiabatic evolution of light
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 …
Hamiltonian. Experiments are conducted in a three-core waveguide structure that is …
Critical property of the geometric phase in the Dicke model
G Chen, J Li, JQ Liang - Physical Review A—Atomic, Molecular, and Optical …, 2006 - APS
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 …
model analytically by means of the Holstein-Primakoff transformation and the boson …
Adiabatic geometric phase in fully nonlinear three-wave mixing
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 …
adiabatic geometric phase (AGP) if the nonlinear coefficient of the crystal is modulated in a …
[PDF][PDF] 双势阱玻色-爱因斯坦凝聚体系的自俘获现象及其周期调制效应
王冠芳, 傅立斌, 赵鸿, 刘杰 - 2005 - wulixb.iphy.ac.cn
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) …
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) …
Jahn-Teller-induced Berry phase in spin-orbit-coupled Bose-Einstein condensates
J Larson, E Sjöqvist - Physical Review A—Atomic, Molecular, and Optical …, 2009 - APS
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 …
Bose-Einstein condensates. The effective model Hamiltonian under consideration is shown …
Berry phase in nonlinear systems
J Liu, LB Fu - Physical Review A—Atomic, Molecular, and Optical …, 2010 - APS
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 …
is investigated thoroughly. The circuit integral of the Berry connection of the instantaneous …