关键词: 产生函数/
累积量/
等待时间分布
English Abstract
Cumulants and waitingtime distribution of the photon emission from driven BaF molecule
Gu Li-Shan1,Peng Yong-Gang2
1.Department of Physics, Changji University, Changji 831100, China;
2.School of Physics, Shandong University, Jinan 250100, China
Fund Project:Project supported by the Scientific Research Program of the Higher Education Institution of Xinjiang, China (Grant No. XJEDU2011I53), the National Natural Science Foundation of China (Grant No. 1404189), the Natural Science Foundation of Shandong Province, China (Grant No. ZR2013AQ020), and the Doctoral Program of Higher Education of China (Grant No. 20130131120006).Received Date:15 October 2015
Accepted Date:24 January 2016
Published Online:05 May 2016
Abstract:In this paper, we consider a single BaF molecule driven by an external field. When the symmetry is broken, the states of the BaF molecule demonstrate the permanent dipole moments. An external laser field to excite BaF molecule transition from its ground state to its excited state, and a radio frequency field couple with the permanent dipole moment of the BaF. The first order and second order cumulants of the emission photons and the waiting time distribution are studied via the recently developed generating function approach, which is very convenient to study the counting statistics and the corresponding probability distributions. The results demonstrate that the radio frequency field could help the BaF molecule to absorb photons from the driving field. The second and third order waiting time distributions oscillate with the evolution time, which reflects the states oscillating with the external radio frequency field.
Keywords: generating function/
cumulants/
waiting-time distributions
