简介：Westudythepropertiesofthethree-modeEinstein-Podolsky-Rose(EPR)eigenstateanditsapplicationinquantumdensecoding.Ourresultshowsthatthethree-modeEPReigenstateprovidesaconvenientwaytorealizequantumdensecodingwhenthequantumchannelisathree-modesqueezedstate.

简介：Usingthetechniqueofintegralwithinanorderedproduct(IWOP)ofoperatorsweshowthatthewavelettransformcanberecastedtoamatrixelementofsqueezing-displacingoperatorbetweenthemotherwaveletstatevectorandthestatevectortobetransformedinthecontextofquantummechanics.Inthiswaymanyquantumopticalstates'wavelettransformcanbeeasilyderived.

简介：Ellipticequationistakenasanansatzandappliedtosolvenonlinearwaveequationsdirectly.Morekindsofsolutionsaredirectlyobtained,suchasrationalsolutions,solitarywavesolutions,periodicwavesolutionsandsoon.Itisshownthatthismethodismorepowerfulingivingmorekindsofsolutions,soitcanbetakenasageneralizedmethod.

简介：Ageneralmappingdeformationmethodispresentedandappliedtoa(2+1)-dimensionalBoussinesqsystem.Manynewtypesofexplicitandexacttravellingwavesolutions,whichcontainsolitarywavesolutions,periodicwavesolutions,JacobianandWeierstrassdoublyperiodicwavesolutions,andotherexactexcitationslikepolynomialsolutions,exponentialsolutions,andrationalsolutions,etc.,areobtainedbyasimplealgebraictransformationrelationbetweenthe(2+1)-dimensionalBoussinesqequationandageneralizedcubicnonlinearKlein-Gordonequation.

简介：Thegeneralizedone-dimensionalFokker-Planckequationisanalyzedviapotentialsymmetrymethodandtheinvariantsolutionsunderpotentialsymmetriesareobtained.Amongthosesolutions,somearenewandfirstreported.

简介：Startingfromthevariableseparationsolutionobtainedbyusingtheextendedhomogenousbalancemethod,anewclassofcombinedstructures,suchasmulti-peakonandmulti-dromionsolution,multi-compactonandmultidromionsolution,multi-peakonandmulti-compactonsolution,forthe(2+1)-dimensionalNizhnik-Novikov-Veselovequationarefoundbyselectingappropriatefunctions.Thesenewstructuresexhibitnovelinteractionfeatures.Theirinteractionbehaviorisverysimilartothecompletelynonelasticcollisionsbetweentwoclassicalparticles.

简介：Theasymptoticdistributionsareexactlysolvedforlinearlyindependentsolutionsconsideringproblemofthesecondorderandforthecoefficientsofasymptoticdistributiontherecurrentformulasareobtained.Further,usingobtainedrecurrentformulasthenecessaryandsufficientconditionsforalmostregularityofspectralproblemfortheequationofthesecondorderisproved.

简介：Inthispaper,theclassicalLiegroupapproachisextendedtofindsomeLiepointsymmetriesofdifferentialdifferenceequations.ItrevealsthattheobtainedLiepointsymmetriescanconstituteaKac-Moody-Virasoroalgebra.

简介：Wepresenttheextendedhydrogenatomandmonopole-hydrogenatomtheorythroughgeneralizingtheusualhydrogenatommodelandwithamonopolemodelrespectively,inwhichY(sl(2))algebrasarerealized.WederivetheHamiltoniansofthetwomodelsbasedontheY(sl(2))andthegeneralizedPauliequation.TheenergyspectraofthesystemsarealsogivenintermsofYangianalgebraandquantummechanics.

简介：COMMUNICATIONSINTHEORETICALPHYSICSispublishedmonthlybytheChinesePhysicalSocietythroughtheInsti-tuteofTheoreticalPhysics,theChineseAcademyofSci-ences.Articlesinthisjournalareabstracted/indexedinSci-enceCitationIndex(SCI),ScienceCitationIndexExpanded(alsoknownasSciSearch),ISIAlertingServices,andCurrentContents/Physical,ChemicalandEarthSciences;ScienceAb-stracts(SA),ChemicalAbstracts(CA),MathematicalReview(MR),andP:H~,etc.Contributionsallovertheworldaremostwelcome.

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简介：我们把靠近地面运行的人造地球卫星叫做近地卫星(grazingsatellite)。对于近地卫星，可以认为其轨道半径r近似等于地球的半径R。由于卫星运动所需的向心力是由万有引力提供的，所以

简介：本文从基础教育课程改革的需要出发，研究了物理课程标准的新亮点，指出了当前物理师范教育中存在的问题，对高等物理师范教育的改革进行了初步探索。

简介：在电磁学教学中，通过挖掘教材中的科学素质点。探索教法与学法的正向迁移和重温物理学家科学发现之路，对学生进行物理方法论教育。

简介：随着我国社会经济发展和对外交流日益频繁，双语教学已经成为我国教育领域教学改革的一个重要课题。本文结合国内外有关理论成果和教学实践谈谈如何在大学物理教学中开展双语教学，从而拓展学生的物理知识和外语词汇，提高学生的能力，适应社会的需要。

简介：为使大学低年级学生尽早有阅读英文参考资料的能力、参与研究性工作，我们采用跨学科的集成方式，创设了“物理·英语·多媒体·一体化”课程(双语物理导论)并进行了多年的实践。文中介绍了该门课程的创设体会、教学手法、实践效果以及作为课程教学依托的教材——《BilingualPhysicswithMultimedia)特点、适合性和使用经验。

简介：本文针对新形势下高师物理教学论课程面临的新问题，结合近年来该课程存在的弊端和不足等问题，介绍了对课程进行更新教学观念，优化课程结构，强化教学实践等方面有益的改革探索。

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简介：Aconstructivetheoremisestablishedforgeneralizedsynchronization(GS)relatedtoC1diffeomorphictransformationsofunidirectionallycoupleddynamicalarrays.ThetheoremprovidessomeinterpretationsabouttheunderlyingmechanismofvariousGSphenomenainnature.Asadirectapplicationofthetheorem,achaos-basedsecureInternetcommunicationschemeisproposed.Moreover,acellularneuralnetwork(CNN)ofChen'schaoticcircuitswithGSpropertyisdesignedandstudied.NumericalsimulationshowsthatthisChen'sCNNhashighsecurityandisfastandreliableforsecureInternetcommunications.