Jia Ke-Ning, Liang Ying, Liu Zhong-Bo, Tong Dian-Min, Fan Xi-Jun. Effect of Doppler broadening on the vacuum induced coherence-dependent probe field absorption in Y-type four-level systemJ. Acta Physica Sinica, 2012, 61(5): 054207. DOI: 10.7498/aps.61.054207