spin-orbital quantum transport

《spin-orbital quantum transport》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、EffectsofSpin-OrbitCouplingonQuantumTransportJensHjörleifurBárðarsonCoverdesignedbyGuneeta.EffectsofSpin-OrbitCouplingonQuantumTransportPROEFSCHRIFTterverkrijgingvandegraadvanDoctoraandeUniversiteitLeiden,opgezagvandeRectorMagnificusprof.mr.P.F.vanderHeijde

2、n,volgensbesluitvanhetCollegevoorPromotiesteverdedigenopwoensdag4juni2008teklokke15.00uurdoorJensHjörleifurBárðarsongeborenteReykjavíkin1979Promotiecommissie:Promotor:Prof.dr.C.W.J.BeenakkerReferent:Prof.dr.ir.G.E.W.Bauer(TechnischeUniversiteitDelft)Overi

3、geleden:Prof.dr.J.vandenBrinkProf.dr.J.M.vanRuitenbeekProf.dr.H.SchiesselDr.J.Tworzydło(UniversiteitvanWarschau)Dr.ir.C.H.vanderWal(RijksuniversiteitGroningen)CasimirPhDSeries,Delft-Leiden,2008-01ISBN:978-90-8593-040-2Theresearchdescribedinthisthesiswassu

4、pportedbytheEuropeanCom-munity’sMarieCurieResearchTrainingNetworkundercontractMRTN-CT-2003-504574,FundamentalsofNanoelectronicsforthefirstthreeyears,andbytheLeidenInstituteofPhysicsforthefourthyear.Fyrirmömmuogpabba,Guðmund,Kristjönu,HelgaogHlyn.Takkfyrira

5、llt.Contents1Introduction11.1SpinandSpin-OrbitCoupling.................31.1.1SpinandtheStern-GerlachExperiment.......41.1.2Spin-OrbitCouplingfromtheDiracEquation....61.1.3SpinandRotations...................81.1.4Spin-OrbitCouplinginSemiconductors.......13

6、1.2TimeReversalandKramersDegeneracy...........171.2.1AntiunitaryOperators.................181.2.2Quaternions.......................191.2.3TimeReversal.....................211.2.4ConsequencesofTimeReversalforHamiltonians..241.2.5ConsequencesofTimeReversalf

7、orScatteringMatrices261.3ModelHamiltonians......................291.3.1TheRashbaHamiltonian...............301.3.2Graphene-theSingleValleyDiracHamiltonian...331.4ThisThesis...........................342StroboscopicModelofTransportThroughaQuantumDotwithSpin

8、-OrbitCoupling452.1Introduction...........................452.2DescriptionoftheModel....................462.2.1ClosedSystem.....................462.2.2OpenSystem......................492.3RelationtoRandom-MatrixTheo