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1、HUBBARDOPERATORSINTHETHEORYOFSDTRONGLYCORRELATEDELECTRONSThispageintentionallyleftblankS.G.OvchinnikovV.V.VaI'kovL.V.KirenskyInstituteofPhysics,SiberianBranchoftheRussianAcademyofSciencesandKrasnoyarskStateTechnicalUniversity,RussiaImperialCollegePressPublishedbyImperialCollegePress57She
2、ltonStreetCoventGardenLondonWC2H9HEDistributedbyWorldScientificPublishingCo.Pte.Ltd.5TohTuckLink,Singapore596224USAoffice:27WarrenStreet,Suite401-402,Hackensack,NJ07601UKoffice:57SheltonStreet,CoventGarden,LondonWC2H9HEBritishLibraryCataloguing-in-PublicationDataAcataloguerecordforthisbo
3、okisavailablefromtheBritishLibrary.TheauthorsandpublisherwouldliketothanktheAmericanPhysicalSocietyandSpringer-Verlagforpermissiontoreproduceselectedmaterialsinthisbook.HUBBARDOPERATORSINTHETHEORYOFSTRONGLYCORRELATEDELECTRONSCopyright©2004byImperialCollegePressAllrightsreserved.Thisbook,
4、orpartsthereof,maynotbereproducedinanyformorbyanymeans,electronicormechanical,includingphotocopying,recordingoranyinformationstorageandretrievalsystemnowknownortobeinvented,withoutwrittenpermissionfromthePublisher.Forphotocopyingofmaterialinthisvolume,pleasepayacopyingfeethroughtheCopyri
5、ghtClearanceCenter,Inc.,222RosewoodDrive,Danvers,MA01923,USA.Inthiscasepermissiontophotocopyisnotrequiredfromthepublisher.ISBN1-86094-430-2TypesetbyStallionPressEmail:enquiries@stallionpress.comPrintedinSingapore.June28,200411:4WSPC/BookTrimSizefor9inx6inFMContentsPrefaceixPART1Chapter1.
6、HubbardModelasaSimplestModelofStrongElectronCorrelations11.1HamiltonianoftheHubbardModelanditsSymmetry...11.2TimeInversion.........................31.3ElectronHoleSymmetry....................31.4PseudospinSymmetryforHalf-FilledCase..........41.5TheBandLimit........................51.6The
7、AtomicLimit,Hubbard1Solution...........61.7TheHubbardModelinOneandInfiniteDimensionCases.91.8Thet–JModel.........................121.9TheHubbardModelinX-OperatorRepresentation.....141.10StudyoftheElectronicStructurebytheAngleResolvedPhotoemissionSpectroscopy...............