双模系统中的随机耦合：弱-强耦合跃迁
Stochastic coupling in two modes systems: the weak-strong coupling transition
摘要：
研究了两个线性耦合系统在相位涨落耦合作用下的弱耦合-强耦合转变。在弱耦合区，量子特性的指数衰减是众所周知的。在强耦合区，随着耦合强度与平均相位波动时间之比的增加，动力学的抑制趋于“冻结”。玻色-爱因斯坦凝聚体中的激子-极化子振荡和自陷现象分别定性地说明了弱和强区域。
英文摘要：
We investigate the weak-strong coupling transition of two linearly coupled systems under the influence of a phase fluctuating coupling. In the weak coupling regime the exponential decay of quantum properties is well known. A different scenario occurs in the strong coupling regime, the inhibition of the dynamics which tends to "freeze" as the ration between coupling strength and average phase fluctuation time increase. Exciton-polariton oscillations and the self-trapping phenomenon in Bose-Einstein Condensate qualitatively illustrate the weak and strong regimes respectively.
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