虛光場對原子及場熵的影響.pdf

1、華中科技大學碩士學位論文虛光場對原子及場熵的影響姓名：詹志明申請學位級別：碩士專業(yè)：光學指導教師：吳穎2002.6.20華中科技大學碩士學位論文AbstractAtpresent，theresearchaboutthedynamicalpropertiesofJCmodelisoneofthehotissuesofquantummechanicsTheevolutionlawofthefieldentropywhichshowsthec

2、orrelationbetweenphotonfieldandatominJCmodel，isespeciallybeingpaidmoreandmoreattentionEntropyisphysicalquantitywhichdescribestheextenttowhichasyStemdivergesfrompurestateInJCmodel，thetimeevolutionofthephotonfield(atom)ent

3、ropyindicatesthetimeevolutionofthecorrelationbetweenphotonfieldandatomAndthehighertheentropythelargerthecorrelate∞【temIn1988phoenixandknightfoundthatfieldentropyitselfincludesthehigllorderstatisticalmatrixofdensityoperat

4、orFurthermore，theyalsoworkedoutthegeneralformulabywhichwecancalculatetheeigenvalueandeigenstatesofthedensitymatrixofreductionalfieldinJCmodelandtheentropyfunctionwhichshowstheextentofpurestateDuringthelastdecade，scientis

5、tshavedonealotofworkabouttheanalysisoffieldengopyandobtainedmanyimportantresultsAmongtheseresearchworks，themainpoimofdiscussionistheeffectoftheaveragephotonnumberofphotonfieldandKerrmediumontheevolutionlawoffieldentropyo

6、ftheinteractionbetweenfieldandatomHowevermanyresearchresultsindicatethatthevirtualphotonprocessisarealisticprocesswhichexistsintheinteractingatomandphotonfieldsystemsanditCanmsultinthechangeofquantumpropertiesofphotonfie

7、ldandatomintheinteractingsystemandmakequantumnoiseTheinfluenceofthevirtual—photonfieldonthefieldentropycallbeignoredAsweknowJCmodelissolvable，weshouldworkoutthestatevectorofsystematanymomentandgetthedensitymatrixofmducti