The loss-noise model with saturation effects driven by correlated additive and multiplicative white noise is studied.An analytical expression of the stationary probability distribution is obtained.The mean,variance an...The loss-noise model with saturation effects driven by correlated additive and multiplicative white noise is studied.An analytical expression of the stationary probability distribution is obtained.The mean,variance and skewness of the steady-state laser intensity are calculated numerically.We have also found the correlated noises affect the statistic properties of laser heavily.Moreover,the laser intensity is locked at a fixed value when correlated parameterλis equal to-1.展开更多
A new kind of organic polymer ferromagnet based on polaron is proposed.In this kind of polymer,there are no organic free-radicals,which are rather reactive and unstable,instead spins are provided by polarons.Allowing ...A new kind of organic polymer ferromagnet based on polaron is proposed.In this kind of polymer,there are no organic free-radicals,which are rather reactive and unstable,instead spins are provided by polarons.Allowing for full lattice relaxation,the system is studied self-consistently by Peierls-Hubbard model.The formation energies of polarons are calculated.The possible ferromagnetism in polymers of this type is demonstrated.展开更多
基金Supported by the National Natural Science Foundation of China。
文摘The loss-noise model with saturation effects driven by correlated additive and multiplicative white noise is studied.An analytical expression of the stationary probability distribution is obtained.The mean,variance and skewness of the steady-state laser intensity are calculated numerically.We have also found the correlated noises affect the statistic properties of laser heavily.Moreover,the laser intensity is locked at a fixed value when correlated parameterλis equal to-1.
基金Supported by the National Natural Science Foundation of China
文摘A new kind of organic polymer ferromagnet based on polaron is proposed.In this kind of polymer,there are no organic free-radicals,which are rather reactive and unstable,instead spins are provided by polarons.Allowing for full lattice relaxation,the system is studied self-consistently by Peierls-Hubbard model.The formation energies of polarons are calculated.The possible ferromagnetism in polymers of this type is demonstrated.
