29343.量子存儲支撐下dicke模型中的原子熵不確定度研究

1、分類號學校代碼425010542學號2Q!里Q2羔!!QQ墨量子存儲支撐下Dicke模型中的原子熵不確定度研究ⅥUantUm—memoryasslsteQatOmlC，、■●■1●●entropyuncertaintyinDickemodel研究生姓名何偉指導(dǎo)教師姓名、職稱方卯發(fā)教授學科專業(yè)光學研究方向量子光學湖南師范大學學位評定委員會辦公室二零一四年四月II湖南師范大學碩士學位論文ABSTRACTTheinvestigationofe

2、ntropicuncertaintyprincipleisahottopicinquan—tumopticsandquantuminformationRecentlyimportantadvancesonentropicuncertaintyprinciplehavebeenmadeinternationallyOneofthemisthequantum—memoryassistedentropyuncertaintyprinciple

3、proposedbyRenseetalwhichshowsthatthequantuminformationstoredinquantummemorysystemsisableteduceoreliminatethequantumuncertaintyofthesystemtobemeasuredInthethesis，thequantum—memoryassistedentropyuncertaintyofDickemodelunde

4、rtheMarkovianandnonMarkovianenvironmentisinvestigatedbyusingthequantummemory—assistedentropyuncertaintyprincipleandthetheoryofopenquantumsystems，andinnovativeresultsaregainedThisarticleisorganizedasfollowsInchapter1，theh

5、istoryofentropythebasicdefinitionsofentropyinbothclassicalandquantuminformationtheoryarepresentedfollowedbytheHeisenberg’Suncertaintyprinciple，theentropyuncertaintyprincipleandthequantummemoryassistedentropyuncertaintyIn

6、chapter2，theMarkovianapproximationandthetheMarkovianquantummasterequationarebrieflyintroducedSynchronously，thenonMarkovianap—proximationandthethenonMarkovianquantummasterequationaregivenoutThen，theDickemodelisintroducedT

7、heexactsolutionoftheDickemodelisgainedbyusingthetimeconvolutionlessprojectionoperatortechnique，andtheresultisexpandedtotwoatomsystemInchapter3，thequantummemoryassistedatomicentropicuncertaintyofDickemodelwithaclassicaldr