Theory of Hall Effect and Electrical Transport in High-T_c Cuprates:Effects of Antiferromagnetic Spin Fluctuations

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概要

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• In the 1101111211 state of' laiglx-]. cv.rprates, tlae Hall coefficier?t sluows rert'xarkable tenaaperaxttrredejcendence, ?rzad its alosoltrte xratlue is eralaataced ita conaparr'isozu xvith tha'vt valtre sitaajoly estinaatedOl'l tlae b?rsis of' lc?rtad structtrre. It laas beeta recognized tlmat this teutaper?tttrre dejce?adetace of tlaeHall coefficient is dtre to Jaiglaly ?tnisotrojcic qtrttsiparticle dataajcit'tg r;tie on tlae Fertaai strr['ace.In this p?rper xve ftrrtlaer take accotrrat of' tlae xvertex correction to the cttrr'enut xvertex arisir?gfiouta qtrasijcan'ticle iuater'actionas. Tlaera tlae trarasj.cort cttrr'ent is transf'ormed to a large exteu?tfrouaa tlae qtrasip?trtic1e velocity, and is 110 longer proportional to tlae Tartter. As a cottsecjtrencescuaae pieces of' tlae Ferntai stmrf'ace otutsicle of' flue ?tratiferrotaaagtaetic Br'illouira zotae naake taegattixzecotatribtrtion to Cl?e Hall cotadtrctivity', even i['tlue ctrrxzattrre of tlae Fer'taai strrf?tce is laole-fil<e. TlueHall coef[icietat is IIILICII larger at loxv teutaperattrres thstn tl?e estitaaate uaasxde witluotrt the xrertexcorrectiotu. Teuaaperattrre dejoetadence of' tlae ;atttif'errotaaagraetic spiuu correlation letagth is 2llS0crtrcial to catrse reuaaatrkalole tenaperatttre depetadence of' tiae H2111 coef[icierat. Ita otrr tr'eatt'rxenttime Hall coef[icierat of' tlae electrora-doped ctrprates cara be negative desjcite hole-like ctrrvattrre of'flue Fertni strrf'ace.

• 社団法人日本物理学会の論文
• 1999-05-15

著者

• Kanki Kazuki

  College Of Integrated Arts And Sciences Osaka Prefecture University

• KONTANI Hiroshi

  Institute for Solid State Physics,University of Tokyo

• Kontani Hiroshi

  Institute For Soled State Physics University Of Tokyo

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