简介:在1935,迪拉克证实在de保姆空格而是两个精力动量操作员也不他们的保守法律的物理波浪方程被给。在它在在那里的de保姆组被证明那的这篇文章是对海森堡组和组们是的这的生成器同形的一个亚群组遵守一条保守法律的精力动量操作符。
简介:Recently,therehasbeenmuchattentiondevotedtoresolvingthequantumcorrectionstotheBekenstein-Hawkingblackholeentropy.Inparticular,manyresearchershaveexpressedavestedinterestinthecoefficientofthelogarithmictermoftheblackholeentropycorrectionterm.Inthispaper,wecalculatethecorrectionvalueoftheblackholeentropybyutilizingthegeneralizeduncertaintyprincipleandobtainthecorrectiontermcaused,bythegeneralizeduncertaintyprinciple.BecauseinourcalculationwethinkthattheBekenstein-Hawkingareatheoremisstillvalidafterconsideringthegeneralizeduncertaintyprinciple,wederivethatthecoefficientofthelogarithmictermoftheblackholeentropycorrectiontermispositive.Thisresultisdifferentfromtheknownresultatpresent.Ourmethodisvalidnotonlyforfour-dimensionalspacetimesbutalsoforhigher-dimensionalspacetimes.Inthewholeprocess,thephysicsideaisclearandcalculationissimple.Itoffersanewwayforstudyingtheentropycorrectionofthecomplicatedspacetime.
简介:在高维deSitter时空背景中给出了动态黑洞的度规,这是著名的Vaidya度规和Bonner-Vaidya度维在高维时空中的推广。
简介:LetM^nbeaclosedspacelikesubmanifoldisometricallyimmersedindeSitterspaceSp^(n+p)(c),DenotebyR,HandSthenormalizedscalarcurvature,themeancurvatureandthesquareofthelengthofthesecondfundamentalformofM^n,respectively.SupposeRisconstantandR≤c.ThepinchingproblemonSisstudiedandarigiditytheoremforM^nimmersedinSp^(n+p)(c)withparallelnormalizedmeancurvaturevectorfieldisproved.Whenn≥3,thepinchingconstantisthebest.Thus,themistakeofthepaper“Space-likehypersurfacesindeSitterspacewithconstantscalarcurvature”(seeManusMath,1998,95:499-505)iscorrected.Moreover,thereductionofthecodimensionwhenM^nisacompletesubmanifoldinSp^(n+p)(c)withparallelnormalizedmeancurvaturevectorfieldisinvestigated.
简介:Thisisafollowofpreviousworkentitled"OneElectronAtominSpecialRelativitywithdeSitterSpaceTimeSymmetry"[Commun.Theor.Phys.57(2012)930].Inthispaper,weconsiderthehigherordercalculationsandcontributionsinthepreviousframeworktosolveoneelectronatomsindeSitterinvariantrelativisticquantummechanics.Thenext-to-leading-ordercalculationsin1/R2-expansionsshowthatthefine-structureconstantαisvariantwithcosmologictimegoingbyinthedeSitterinvariantspecialrelativisticquantummechanicswithstandardFRWcosmologicmodel.