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1、20 6低温物理学报81卷thelowest一orderap pro ximation.ThePreesnttheor etiealanalysisagainsug gestsstr onglythattheeffe etoftheantife r romagnetiespinflu etuatio nso ntheuniformspinsuseeptibility15theoriginofthetemperaturedependene eofuniformspinsus-e eptibilityinhigh一T cuspere onduetors.1C.H.Pen ningto nand C
2、.P.S liehter,Physie a1Prope rrie sofHighTenipe r atu r eSu伴r eo ndu etor sVolZ.edD.M.G insh-berg(Singapore:world段ientifie)19 90.2K.S.e Bdell.P.Coffey.D.E.Meltzer,D.P in e sandJ.R.段hrief fe r(ed ).Pro.Conf.o nH ighTem伴r atu r esu伴c ron-du etivity(I一05Alamos,NM,1990) ( Re ad ing,MA:A d diso n一We sley)
3、199 0.3D.P ines,h P笋l aC,18 5一18 ,(29 91),120.4N.a Blut,D.W.Ho ne,D.J.段alapinoandN.E.Bieke rs,Ph笋.R即.,B 41(1 9 9 0),1 79 7.5T.Moriya,Y.TakahashiandK.Ue da,h P少i caC,185一18 ,(2992),1 1 4.1.Tomeno,T.Maehi,K.Tai.N.Kosh iz uka,5.Kamb e,A.Haya shi,Y.Ue daan dH.Ya su ok a,h Py s.Rv e.,B 49(1 9 9 4),15 3 2
4、7.7B.Arf,h P笋.双进,夕.,B 45(1 9 9 2),2 3 5 28WuHangshengandloup ing,2.尸丙夕.,8 B5(1 9 9 1),3.9IouP ing.J.h P笋.CO ,矛de s.Mae t tr,6(199 4),3767.10IouP ing,J.h P笋.0刀:d es.Ma t te r,7(1 9 9 5),5 35 1.1 1N.M.Pa l kida,h P岁.工矛材.,A43(19 7 3)J481.,2D.N.Zub arev,Soierp 六夕5.UsP.,3(19 60),3 20.13N.M.P认kida,J.h P少.
5、C:Soli dSa t介P h笋.,419 7 1),16 80.lKHanz awa,K.YosidaandK.Yamada,po r.了,”r.p h笋.,8一(1 9 5 9),9 60.15A.J.Millis,h P夕5.Rv e.,4 B5(1 9 9 2),1 304 7.1H.Mo nien,D.P in esandM.Takigawa,P h夕s.R门.,B 43(19 91),258.1M. Tkigawa,A.P.Reyes.P.C.Hammel,J.D.Thompson,R.H.Heffn er,Z.F iskandK.C.( )tt,p h夕s.Rv e.,4 B3
6、(1 9 9 1),2 4 7.1RH.Monien,P.Mo nthouxandD.P ines,p h夕5.Rv e.,4 B3(199 1),2 75.高温超导体中自旋涨落 对自旋磁化率效应的统一理论娄平中国科学技术大学结构分析开放实验 室.合肥23 0 0 2 6安庆师范学院物理 系.安庆2 4 60 1119 9 6年l月15日收到本文提 出高温超导体中 电子与自旋涨落祸合效应 的统一理论,基于 双时格林函数方法得到了该系统 精确的戴 逊方程 和自能公式,其最 低 阶近似 给出最近娄平发表的结果(.JP hys:Conde s.Mat te r.7(1995),5351).带安徽省教
7、委自然科学基金项 目.第81卷第3期低温物理学报V o l.81,No.31996年6月cHINES Elo UR N ALOFo LWT EMp E R A TUR E pH YSICsJune,1996AUN I FE DTHEORYFORTHEE FFE C TOFTHESPINF LU CTUAT IONS ONTHEUNI FORMSPINS U S CE P T I B I L I TYINHIG H一T。SUPERC ON DU CTORS牛Lo uPingSttu,Re、ac rh肠八刀刀 ro勺,U,:摺砚丫“才,o fc s。a ,dTe ch和汉。g 夕o fh C) z
8、 。,He介2 30 02 6肠加材n,:ro fh P脚i cs,A,琦1 , 1Na o m rl (汉扮君,A,岭i l24601 1(Re eeive d15Janu a ry,19 9 6)玩thispaperwede v elopedaunifieds elf一e o nsistenttheoryfortheef f eetofeouplingofele etronsw iththeantifer romagnetiespinf luetu atio nsinhigh一了, csu-Pere onduetor s.T hee ale ulatio nsa rebasedo nthe
9、novelaP Proa ehofthetwo一timeGre enfu netioni hethord.Ite onsistsintheintrd ou etionofir r edueibl eGr e enfune-tions(IGF)andthede rivationoftheexa etDysonequationandtheexa etself一en-ergyoperator.T her e e entLo uPingresultsfolf owfr omthistheoryinthelowe st-orderap pro ximation.Thepresenttheoretie a
10、lanalysisa卯insug gestsstro nglythattheeffeetoftheantifer romagnetiespinfluetu ationsontheu niformspinsus-eeptibility15theoriginofthetempe r a r ur edependene eofu niformspinsu seeptibili-tyinhigh一了。suPe r eonduetor s.1.IN T RODU CT IONIt15wellkn ownthatthemoststrikingfe atur esof high一To xidesa r et
11、heiran omalousphysiealprope rtie sabov etheirtr ansitio ntemper atu r esTo.Forexampletheele etrie alr e sistivity15line a rintempe r atu r einawiderangeoftemperature sabov e了,theinfraredeondu etivitydeviate sfromtheDrudeform,show ingare-laxatio nratepr oportionaltothefrequ eney,a ndthenu ele a rspin
12、一lat tie er elaxationr ateshowsananomaloustempe r aturedependene ediffer entfromthatinnormalmetals.ete一2.T heabove一mentionedanomalou sphysie alpropertie sha v ebe enexplainedinte rmsofa ntifer romagnetiespinflu etu ationsintwo一dimensio nalmetals3一9.Theiru-niformspins use eptibilityX(T ),w hieh displ
13、aysaeonside r abletemperatur edepen-带Thisworkwa ss up因rted bytheEdue ationo Cm mis s ss sionofAnhui.200低温物理学报1 8卷dene e,hasalsobe e nexplaiifedintermsofaeo nsequene eoftheself一e onsistene eeouplingofele etro nsw iththeantife rromagnetiespinflu etu ations 。.Inpaper0westudytheeffe etofeouplingofele et
14、ro nsw iththeantife rromgnetiespinflu etu atio nsbyadiagrammeth记.Inthepr e s entpaperwede v elopedaunifiedself一eonsiste nttheoryw hieh15basedonthen ovelaPproa ehofthetwo一timeGr e enfu n etionmetho dl l.Therestofthepaper15organizeda sfollows.Ins e etion2weintro du e etheHamilto niana nd derivetheexa
15、etDyso nequ ationforo ne一ele etro nGre e nfunetionbyme ansoftheir r edu eib leGre enfun etio ns(IG F) metho d”.Inseetio n3wepre-s enttheself一eo nsite ntap pro ximativeformalismforthee ale ulatio noftheeleetronself一ene rgyand diseu s so urr e sultsande ale ulatetheuniformspinsus s e eptibility.Thepap
16、ere o n eludeswithasum maryins eetion4.2.T H EHAMILTON I A NANDTHEON E一E L ECT RONGR E E NFUNCT IONFollow ingpaper7exe eptfortheexte rnalmagnetiefield,theHamilto nian15giv enbyH=H。+H,了(2.1)H。representsHamiltonianofthen o ninter a etio nele etronsystemunderthemagnet-iefield whieh15ap pliedalongthez一dire etio n口_又飞动_+_ “o一奋夕“夕声尸“(2.2)P一Whe re。;。PZ一P芬2m一诚。15theele etro nere ation(a nnihilatio n)operato r,h。15thee xternalmagnetiefield,andJ=1forup一spinandJ=一1fordown一spin.H
