@ARTICLE{
author={McConnell Robert,Zhang Hao,Cuk Senka M,Hu Jiazhong,Schleier-Smith Monika H,Vuletic Vladan},
year={2013},
title={Generating entangled spin states for quantum metrology by single-photon detection},
journal={PHYSICAL REVIEW A},
volume={88},
number={6},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Zhang Hao,McConnell Robert,Cuk Senka M,Lin Qian,Schleier-Smith Monika H,Leroux Ian D,Vuletic Vladan},
year={2012},
title={Collective State Measurement of Mesoscopic Ensembles with Single-Atom Resolution},
journal={PHYSICAL REVIEW LETTERS},
volume={109},
number={13},
pages={-},
document_type={Article},
}