资源描述:
《相对论粒子的自旋算符》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Ú24íÚ6ÚßÜïíëËïívd.24,No.62000ê6ÂHIGHENERGYPHYSI·ANDNUqZARPHYSCSJtnze,2000SpinOperatorfortheRelativisticParticleánfANGPmgFd1)RUANTUNan(¾EAST(Worldub.),BajÖ1Þ080,Áim)(NamaiSs¤-dFUtFWERadtasmuhrasovyaMh§arumntofModernPh®®,UMWWyofScmceandTednotopofÁtF¥,FHM230«9,ozina)AMUïòAsystØØtictimEydthappzopdat
2、emnoRraô,¤themhuvis6csmtÄisde«1.oped.msõôrúØúØitmmrtideme,i.e.,thqtmtmmchamÁpzobkn.FÁrammiveEYElativis6cmrtickwitharumwmuè£sptn,thespinµmmsbmldkmpiacdwithtkzÊaMs-ticone-Inthehmudirmdudblez¬pmm1tatiOndPotIEűguIp,thisspmµmtm,whichisnmnedóIIEÅù,tzzudappiiedmdtkmmicaIstatÄdtlzepertick-mm´ucted-Fmhz
3、dmmEnÞthemm,tdraovtr¿gsptnindze@mzt1mSeidÉ×®willhfoBowed-Keyw£,ÊsEImsavemhwisticPEUde,¹uzicdsut²,zmviz¦êÉ1Introductioninhighemwphym,thestudyÞthelungnatiØPEOMenonhighmergypmdumisthebeasofthez¬liableaZEalygsddnewphÊm181a.OnemaydertothecmprehgØveworks[1]madebyS.U.Á11uzg.£1thismbjechÜØwellkpwn,theêi
4、nd¹criptionforperticbwÃhImamspin¹dpivotadimpon811ce.11zecanoddsutescizmeisthenat®a1gÉÔaliadoadthatofthenonmlativisticpardeletothemlativisticcase,anditÊthebasisdpartialwavemaIysiswhichisfmq11¥tlyutaindma×erimentalamIysis-Inthisgenera1imtion,aEúlativisdcspinoperamrmÄbemployed.Pryoe[2]fizstobtained
5、mopÔatormmIilarformfmntbemmmtatiÞ±atbnr÷uimna1tbutwithømewhataruacidqmmstatedbyhirmelf-IAterworkÞncernedthisopera-torappÍÍMRds.[3,4].Howev®,m1eaznb°11ityeitherÞtheazgmmmuonoronthephys-icalmeaningstillexists-Fortheimponancedthetopic,wepïfonzledasystaI18ticsttdyonÉÔopÔabr.Wefirstcladfiedtheproblan
6、ofquant1znmechamÊmEddeterminedtheappropriatespinopmtorforaEüladvisdcônick-Hmbywefurtherdmmditmthequant1mfieldthmw.ÒEedsc1miozzmthispepeuhoweverismerelyÞÉequantunmechaªÁ.PEtainirªØthe¹Ä×Álsumofthemruck,whichamthebaseoftheirzÙucibiemprÄmtatiÞofPomeaz«gmtê(£,thespinoperaØrisoonsmECted-Wenamethisopg
7、aØrmmovingµindaparticle(PMS).Ørazgmg1tationisbÊdÞthebmcÇuatiomofthemrtklestamandthepzopenmofthempr¤ÄmmUonof9,andstmiythisisastrictone.ÐEeateØ011ØtizezülativisticquantmnfieldthmryisleftØthesuheqIlentpaper[5].Reedved10SµtØ1be1