固体物理第三章3

1、apdrUdaMmqv 2221) 2(2 ) 1 (221qaMm )(3222212322222122222122 nnnnnnnnuuudtudMuuudtudm )(422221212 tanqintanqinBeuAeu (7)e(em2AB,)e(eM2BAiqaiqa2iqaiqa2)()()(522122122222222 niqaiqanniqaiqanueeABdtudmueeBAdtudM )6(2222 BAeeBMABeeAmiqaiqaiqaiqa )6(2222AeeBMBBeeAmAiqaiqaiqaiqa)(8221222212222222222 nnnnua

2、qMmdtuduaqMmdtud ,)(aliqnlneuu1122 ,)(aliqnlneBAuu1122 振幅比振幅比)5(2)(2)(122122222222niqaiqanniqaiqanueeABdtudmueeBAdtudM(7)e(em2AB)e(eM2BAiqaiqa2iqaiqa2) 1 (221qaMm )(422221212 tanqintanqinBeuAeu )9(1)(2200limlim qaiqaqqeeMBA )(lim1011220 nlnquu)(112222222lnlnuaqMmdtud (7)e(em2AB,)e(eM2BAiqaiqa2iqaiqa

3、2振幅比振幅比qvqaMm212)12(222222222222222ruvturuaMmuaqMmtutlnuAeutqriln )( 2aMmvt212 dxxudxxu)()( dxxducdxxudxxucxF)()()()( dxdxxducdxxF)()( )(xu)(dxxu xdxx )()(),(22dxxFxFdttxuddx 2222( , )( , )d u x td u x tcdtdxdxxducxF)()(dxdxxducdxxF)()( dxtdxxdudxtxducdttxuddx),(),(),(22 tqxieutxu 0),()14(22qc )15(

4、cqvq )13(),(),(2222xtxucttxu 2222( , )( , )d u x td u x tcdtdx所以所以auudxdumm 1adrUd 22 )(,161auucFmm )(,171mmuuF 其中其中dxducF )15( cqvq )(;20222121aMmaMmavq )(,192aMm )(,18ac m1010 E E)1(310PEEeff E EE E )(,*2313100000 nEuenVNEueVNPorEuenEueVNPeffeff )4()3(*_ effeffEeuuumEeuuuM effEeuuuumMMm* )5(* effE

5、euu )4()3(*_ effeffEeuuumEeuuuM )5(* effEeuu uVNuuW212121 )6()()(22211211 bEbWbPaEbWbW )(*20effeffEuenEueVNP 0000220021*21002112002*01133;3331nnbnenbbnenb )6()()(22211211 bEbWbPaEbWbW)6()()(22211211 bEbWbPaEbWbW)()()()(7000 trqitrqitrqieEEePPeWW )8(,TLTLTLEEEPPPWWW )9()(0)(0)(0,0)(0,0 dEcDbWWaWWLLTT

6、)6()()(22211211 bEbWbPaEbWbW 0)(220210 LLEbWbPED )10(22021LLWbbE )11(1222021211111211 TLTLTLEbWbbWbWbEbWbWW 0, 0, 0 TTTEEE)6()()(22211211 bEbWbPaEbWbW(12)(b)WbbbW(a)WbEbWbWL22021211LT11T12T11T )13(2202122220212112112 bbbbbbTOLOTO 0 W )14(2121112EbEbbWTO )6()()(22211211 bEbWbPaEbWbWEbbPTO 221222 EPs10 )15(10221222 sTObb s EEbWbP102221 )16(1022 b )17(2