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ID:39911113
大小:584.43 KB
页数:157页
时间:2019-07-14
《Doing Physics with Quaternions》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、DoingPhysicswithQuaternionsDouglasB.Sweetser©2005dougAllrighsreserved.1INDEXIntroduction2WhatareQuaternions?3UnifyingTwoViewsofEvents4ABriefHistoryofQuaternionsMathematics6MultiplyingQuaternionstheEasyWay7Scalars,Vectors,TensorsandAllThat11InnerandOuterProductsofQuat
2、ernions13QuaternionAnalysis23TopologicalPropertiesofQuaternions28QuaternionAlgebraToolSetClassicalMechanics32Newton'sSecondLaw35OscillatorsandWaves37FourTestsofforaConservativeForceSpecialRelativity40RotationsandDilationsCreatetheLorentzGroup43AnAlternativeAlgebraforLorentzBoostsElectromag
3、netism48ClassicalElectrodynamics51ElectromagneticFieldGauges53TheMaxwellEquationsintheLightGauge:QED?56TheLorentzForce58TheStressTensoroftheElectromagneticFieldQuantumMechanics62ACompleteInnerProductSpacewithDirac'sBracketNotation67MultiplyingquaternionsinPolarCoordinateForm69Commutatorsan
4、dtheUncertaintyPrinciple74UnifyingtheRepresentationsofIntegralandHalf−IntegralSpin79DerivingAQuaternionAnalogtotheSchrödingerEquation83IntroductiontoRelativisticQuantumMechanics86TimeReversalTransformationsforIntervalsGravity89UnifiedFieldTheorybyAnalogy101Einstein'svisionI:Classicalunifie
5、dfieldequationsforgravityandelectromagnetismusingRiemannianquaternions115Einstein'svisionII:Aunifiedforceequationwithconstantvelocityprofilesolutions123StringsandQuantumGravity127AnsweringPrimaFacieQuestionsinQuantumGravityUsingQuaternions134LengthinCurvedSpacetime136ANewIdeaforMetrics138T
6、heGravitationalRedshift140ABriefSummaryofImportantLawsinPhysicsWrittenasQuaternions155Conclusions2WhatAreQuaternions?Quaternionsarenumbersliketherealnumbers:theycanbeadded,subtracted,multiplied,anddivided.Thereissomethingoddaboutthem,hintedatbytheLatin.Quaternionsarecomposedoffournumbersth
7、atworktogetherasone.Theywerediscoveredbyseveralpeoplebackintheeighteenhundreds.Someenthusiaststhoughtquaternionswouldbeabletoexpresseverythingthatcouldhappeninourthreedimensionsofspaceandonefortimebecausequaternionsnaturallyhadthatformtoo.Mathaccidentsdonothap
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