%0 Journal Article
%T Quantum mechanical photoncount formula derived by entangled state representation<br>
%A Hu Li-Yun
%A Wang Zi-Sheng
%A L C Kwek
%A Fan Hong-Yi
%A <br>
%J 中国物理 B
%D 2011
%I 
%X By introducing the thermo entangled state representation, we derive four new photocount distribution formulas for a given light field density operator. It is shown that these new formulas, which are convenient to calculate the photocount, can be expressed as integrations over a Laguerre-Gaussian function with a characteristic function, Wigner function, Q-function and P-function, respectively.
%K photo-counting distribution
%K entangled state representation<br>
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=CD8D6A6897B9334F09D8D1648C376FB4&aid=5591ADD4F9E70BC2732EF26F9596FE85&yid=9377ED8094509821&vid=A04140E723CB732E&iid=5D311CA918CA9A03&sid=690970ED1327F4A7&journal_id=1009-1963&journal_name=中国物理&referenced_num=0&reference_num=25