简介：TheCMSgroupsintheUSAareactivelyinvolvedinseveralgrid-elatedprojects,includingtheDoE-fundedParticlePhysicsDataGrid(PPDG)andtheNSFfundedGridPhysicsNetwork(GriPhyN).Wepresentdevelopmentsof:theGriddataManagementPilot(GDMP)software;aJavaAnalysisStudio-basedprototyperemoteanalysisserviceforCMSdata;toolsforautomatingjobsubmissionschemesforlargescaledistributedsimulationandreconstructionrunsforCMS;modelinganddevelopmentofjobschedulingschemesusingtheMONARCtoolkit;arobustexecutionservicefordistributedprocessors.ThedeploymentanduseofthesetoolsatprototypeTier1andTier2computingcentersintheUSAisdescribed.

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简介：<正>SupposeXisasuperdiffusioninRdwithgeneralbranchingmechanism￠.andYDdenotesthetotalweightedoccupationtimeofXinaboundedsmoothdomainD.WediscusstheconditionsonψtoguaranteethatYDhasabsoluteycontinuousstates.Andforparticularψ（z）=z(l+,0DisabsolutelycontinuouswithrespecttotheLebesguemeasureinD.whereasinthecased>2+2/B.itissingular.AsweknowtheabsolutecontinuityandsingularityofY(Dhavenotbeendiscussedbefore.

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简介：Westudyfew-electronsemiconductorquantumdotsusingtheunrestrictedHartree-Fock-RoothaanmethodhasedontheGaussianbasis.Ouremphasisisontheenergylevelcalculationforquantumdots.Theconfinementpotentialinaquantumdotisassumedtobeinaformofthree-dimensionalsphericalfinitepotentialwell.Somevaluableresults,suchastherearrangementoftheenergylevel,havebeenobtained.

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简介：<正>ThispaperdevelopsasymptoticpropertiesofsingularlyperturbedMarkovchainswithinclusionofabsorbingstates.Itfocusesonbothunscaledandscaledoccupationmeasures.Undermildconditions,amean-squareestimateisobtained.Byaveragingthefastcomponents,weobtainanaggregatedprocess.Althoughtheaggregatedprocessitselfmaybenon-Markovian,itsweaklimitisaMarkovchainwithmuchsmallerstatespace.Moreover,asuitablyscaledsequenceconsistingofacomponentofscaledoccupationmeasuresandacomponentoftheaggregatedprocessisshowntoconvergetoapairofprocesseswithaswitchingdiffusioncomponent.

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简介：<正>LetXbeaconnectedfiniteCWcomplexanddx:KO（C（X））→Zbethedimensionfunction.Weshowthat,ifAisaunitalseparablesimplenuclearC*-algebraofTR（A）=0withtheuniquetracialstateandsatisfyingtheUCTsuchthatKO（A）=QkerdxandK1（A）=K1（C（X））.thenAisisomorphictoaninductivelimitofMn!（C（X））.

简介：Undertheconditionofhigh-powerdrive,theexperimentalphenomenaoffreestatoroftravelingwaveultrasonicmotortakesonstrongnonlineareffects.Firstly,itscorrespondingtheoriesareestablishedtoanalyzeandcomparethestator'sperformancesattheresonanceandantiresonancestates.Atthesametime,someimportantparameters,suchasresonance/antiresonancefrequency,mechanicalquality,electro-mechaniccoupling,andtherelativevibrationeffect,areselectedelaboratelytoevaluatethevibrationalperformancesoffreestator.Then,someexperimentalschemesbasedonthelaservibrationmeasurementaredesignedrespectively.Underthedifferentdrivesconditions,theexperimentalcharacterizationsoffreestatorattheresonanceandantiresonancestatesareanalyzedsystematically.Finally,Theinvestigativeresultsshowthattheperformanceattheantiresonancestateismuchbetterthanthatattheresonancestate.Someconclusionsofthispapercanprovidenovelideaandguidanceforthechoosingoftheoperatingstatesanddrivingmodesoftravelingwaveultrasonicmotor.

简介：ThemagneticpropertiesofCeRhln5arestudiedbyfirst-principlescalculation.Spin-orbitcouplingisconsideredaswellasdifferentcorrectionsincludinglocaldensityapproximationpluson-siteCoulombinteractionU(U=1,1.5,3eV)andorbitalpolarization.TheresultsshowtheexistenceofonlymoderatecorrelationinCeRhln5andCe-4felectronsareontheborderoflocalizationanditinerancy.Theeffectofpressurebychangingthevolumeoftheunitcellisalsostudied.

简介：Theexistenceanduniquenessofpositivesteadystatesfortheage-structuredMSEIRepidemicmodelwithage-dependenttransmissioncoefficientisconsidered.Thresholdresultsfortheexistenceofendemicstatesareestablished;undercertainconditions,uniquenessisalsoshown.

简介：一个计划被建议因为二原子的格言联盟者的产生纠缠了状态，多原子格言联盟者纠缠了W班的状态。计划与一个单个模式的洞基于原子的同时的反响的相互作用删除。它不要求相互作用时间的精确调整。需要完成产生的时间不与原子的数字增加。

简介：Ｅｍｉｓｓｉｏｎ　Ｔｅｍｐｅｒａｔｕｒｅｓ　ｆｒｏｍ　Ｐｏｐｕｌａｔｉｏｎｓ　ｏｆ　Ｐａｒｔｉｃｌｅ　Ｕｎｓｔａｂｌｅ　Ｓｔａｔｅｓ　ａｓ　ａ　Ｆｕｎｃｔｉｏｎ　ｏｆ　Ｉｍｐａｃｔ　ＰａｒａｍｅｔｅｒＥｍｉｓｓｉｏｎＴｅｍｐｅｒａｔｕｒｅｓｆｒｏｍＰ...

简介：AsimplemethodispresentedforgeneratingmulticomponentSchroedingercatstatesthroughresonantatomfieldinteractions.Intheschementwo-levelatoms,initiallyingroundstates,aresentthrougharesonantcavityfilledwithastrongcoherentfieldsequentially.Thenstate-selectivemeasurementsareperformedontheatoms.Thedetectionsoftheatomsingroundstatescollapsethecavityfieldontoasuperpositionof2^ncoherentstates.Thisisthefirstwayforproducingsuperpositionsofmanycoherentstatesthroughresonantatom-fieldinteraction.

简介：当界限状态由instantaneousBethe-Salpeter(BS)是描述得好的时，我们精确为在二个界限状态之间的转变导出“严密即时明确的表达”方程(即方程的核“偶尔”是即时的)。事实上，Theobtained严密即时明确的表达被表示为当减少的BS波浪工作出现在明确的表达时，“二个减少的BS波浪函数”适当地夹的一个操作符是即时BS方程的严密解决方案，并且他们可以正直地联系toSchroedinger波浪函数。我们也证明严密即时明确的表达关于U_(他们)(1)是计量器不变的转变精确，如果担心的转变是放射的。明确的表达的一些应用被构画出。

简介：Inthispaper,weconsiderthetraceofgeneralizedoperatorsandinverseWeyltransformation.Firstofallwerepeatthedefinitionoftestoperatorsandgeneralizedoperatorsgivenin[18],denotingL~2(R)byH.

简介：Thefeaturesofthelow-lyingspectraoffour-bodyA+B-A+B-systemshavebeendeducedbasedonsymmetry.Usingthemethodoffew-bodyphysics,wecalculatetheenergyspectraofA+B-A+B-systemsinaharmonicquantumdot.Wefindthatthebiexcitoninatwo-dimensionalquantumdotmayhaveotherboundexcitedstatesandthequantummechanicalsymmetryplaysacrucialroleindeterminingtheenergylevelsandstructuresofthelow-lyingstates.

简介：Westudythegeneralrepresentationsofpositivepartialtranspose(PPT)statesinCKCMCN.ForthePPTstateswithrank-Nacanonicalformisobtained,fromwhichasufficientseparabilityconditionispresented.

简介：ByapplyinghigherpowersoftheBogoliubovtransformationoperatorb^t=u^*a+μ^*a^ttothetwo-photoncoherentstates(orminimumuncertaintysqueezedstates)weconstructanewtypeofquantumstatewhichwecallthegeneralizedexcitedtwo-photoncoherentstates.Analyticexpressionsforthequantumstatisticalpropertiesarederived,andthroughnumericalcomputationthephasespacequasi-probabilitydistributionsarefound.Thesestatescanexhibithighlynonclassicalbehaviourdependingonthedegreeofexcitationmandotherparameters.ForparticularvaluesoftwoparametersAandp,thesegeneralizedstatesreducetootherclassesofcoherentstatesformerlyreported.Ourtheorythuspresentsamuchbroaderapproachtothesetypesofquantumstates.