机构地区: 暨南大学信息科学技术学院电子工程系
出 处: 《物理学报》 2009年第5期2884-2888,共5页
摘 要: 通过解析求解简单极化激元模型的Pancharatnam相位,研究了温度、耦合强度、声子与光子频率差、平均光子数等对其演化的影响.结果表明,Pancharatnam相位随时间振荡,且振荡频率和振荡波形随时间变化,这种变化随着温度升高和耦合强度、声子与光子频率差增加而加大.系统Pancharatnam相位随时间的演化在平均光子数较小时表现比较有规律,但随着平均光子数的增加,它趋于混沌化. The Pancharatnam phase in simple polariton model is investigated, and the influences of temperature, coupling strength, frequency difference of photon and phonon and average photon number on the evolution dynamics of Pancharatnam phase are also discussed. The results show that the Paucharatnam phase oscillates with time, the oscillating frequency and wave-form vary with time, and the variation increases with the enhancement of temperature, coupling strength and frequency difference of photon and phonon. The system Pancharatnam phase evolutes regularly when the average photon number of coherent light is small, while it becomes more chaotic as the average photon number increases.
领 域: [机械工程] [理学] [理学] [自动化与计算机技术] [自动化与计算机技术]