Gauge procedure with gauge fields of various ranks

Gauge procedure with gauge fields of various ranks

ID:37657970

大小:238.08 KB

页数:12页

时间:2019-05-27

Gauge procedure with gauge fields of various ranks_第1页
Gauge procedure with gauge fields of various ranks_第2页
Gauge procedure with gauge fields of various ranks_第3页
Gauge procedure with gauge fields of various ranks_第4页
Gauge procedure with gauge fields of various ranks_第5页
资源描述:

《Gauge procedure with gauge fields of various ranks》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库

1、GaugeprocedurewithgaugefieldsofvariousranksDouglasSingleton∗CentreofGravitationandFundamentalMetrology,VNIIMS,3-1M.UlyanovoySt.,Moscow119313,Russia;PhysicsDept.,CSUFresno,2345EastSanRamonAve.M/S37Fresno,CA93740-8031AkiraKato†PhysicsDept.,CSUFresno,2345EastSanRamonAve.M/S3

2、7Fresno,CA93740-8031A.Yoshida‡ScienceDept.,SaintAnne’sBelfieldSchool,Charlottesville,VA22903(Dated:February1,2008)Thestandardprocedureformakingaglobalphasesymmetrylocalinvolvestheintroductionofarank1,vectorfieldinthedefinitionofthecovariantderivative.Hereitisshownthatitispo

3、ssibletogaugeaphasesymmetryusingfieldsofvariousranks.Incontrasttootherformulationsofhigherrankgaugefieldswebeginwiththecouplingofthegaugefieldtosomematterfield,andthenderivethegaugeinvariant,fieldstrengthtensor.Someofthesegaugetheoriesaresimilartogeneralrelativityinthattheirc

4、ovariantderivativesinvolvederivativesoftherankngaugefieldratherthanjustthegaugefield.ForgeneralrelativitythecovariantderivativeinvolvestheChristoffelsymbolswhicharewrittenintermsofderivativesofthemetrictensor.Many(butnotall)oftheLagrangiansthatwefindforthesehigherrankgaugeth

5、eoriesleadtononrenormalizablequantumtheorieswhichisalsosimilartogeneralrelativity.PACSnumbers:03.50.-z,11.15.-qI.STANDARDGAUGEPROCEDUREWITHARANK1FIELDTheconceptofsymmetries,andtheprocessofturningglobalsymmetriesintolocalones(i.e.gaugingthesymmetry)areimportantfeaturesofm

6、odernfieldtheories.AnexampleisMaxwell’stheory,whichcanbederivedfromthegaugeprincipleappliedtoanAbelianU(1)symmetryofsomematterfield.Inthissectionwesummarizethestandardgaugeprocedure.Forourmatterfieldwewilluseacomplexscalarmatterfield,ϕ,throughoutthepaper.Thesameprocedureappl

7、iesstartingwithothertypesofmatterfield(e.g.aspinorfield).TheLagrangedensityforthematterfield,ϕ,is∗µLscalar=(∂µϕ)(∂ϕ)+...(1)Theellipsesleaveoffmass,m2ϕ∗ϕ,andself-interactionterms,λ(ϕ∗ϕ)2,thatdon’tinvolvederivativesofϕ.ThisarXiv:hep-th/0408031v27Oct2004Lagrangedensitysatisfiest

8、heglobalphasesymmetryϕ(x)→e−igΛϕ(x),ϕ∗(x)→eigΛϕ∗(x),(2)wheregisthecouplingandΛisaconstant.Thisphasesymm

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。