griffiths d. j., introduction to quantum mechanics solutions (2nd ed., pearson, 2005)(303s)

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1、ContentsPreface21TheWaveFunction32Time-IndependentSchrödingerEquation143Formalism624QuantumMechanicsinThreeDimensions875IdenticalParticles1326Time-IndependentPerturbationTheory1547TheVariationalPrinciple1968TheWKBApproximation2199Time-DependentPerturbationTheory23610TheAdiabaticApproximati

2、on25411Scattering26812Afterword282AppendixLinearAlgebra283ndst2Edition–1EditionProblemCorrelationGrid2992PrefaceThesearemyownsolutionstotheproblemsinIntroductiontoQuantumMechanics,2nded.Ihavemadeeveryefforttoinsurethattheyareclearandcorrect,buterrorsareboundtooccur,andforthisIapologizeinadv

3、ance.Iwouldliketothankthemanypeoplewhopointedoutmistakesinthesolutionmanualforthefirstedition,andencourageanyonewhofindsdefectsinthisonetoalertme(griffith@reed.edu).I’llmaintainalistoferrataonmywebpage(http://academic.reed.edu/physics/faculty/griffiths.html),andincorporatecorrectionsinthemanuali

4、tselffromtimetotime.IalsothankmystudentsatReedandatSmithformanyusefulsuggestions,andaboveallNeelakshSadhoo,whodidmostofthetypesetting.Attheendofthemanualthereisagridthatcorrelatestheproblemnumbersinthesecondeditionwiththoseinthefirstedition.DavidGriffiths
c2005PearsonEducation,Inc.,UpperSaddl

5、eRiver,NJ.Allrightsreserved.Thismaterialisprotectedunderallcopyrightlawsastheycurrentlyexist.Noportionofthismaterialmaybereproduced,inanyformorbyanymeans,withoutpermissioninwritingfromthepublisher.CHAPTER1.THEWAVEFUNCTION3Chapter1TheWaveFunctionProblem1.1(a)
j2=212=441.11
j2=j2N(j)=(1

6、42)+(152)+3(162)+2(222)+2(242)+5(252)N1416434=(196+225+768+968+1152+3125)==459.571.1414j∆j=j−
j1414−21=−71515−21=−6(b)1616−21=−52222−21=12424−21=32525−21=411σ2=(∆j)2N(j)=(−7)2+(−6)2+(−5)2·3+(1)2·2+(3)2·2+(4)2·5N141260=(49+36+75+2+18+80)==18.571.1414√σ=18.571=4.309.(c)
j2−
j2=459.571−

7、441=18.571.[Agreeswith(b).]
c2005PearsonEducation,Inc.,UpperSaddleRiver,NJ.Allrightsreserved.Thismaterialisprotectedunderallcopyrightlawsastheycurrentlyexist.Noportionofthismaterialmaybereproduced,inanyformorbyanymeans,withoutpermissioninwritingfromthepublishe