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《15. Steven Weinberg - The First Three Minutes - A Moderm View of the Origin of the Universe (1977).pdf》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、StevenWeinbergTheFirstThreeMinutesAmodemviewoftheoriginoftheuniverseFLAMINGOPublishedbyFontanaPaperbacksContentsPreface91Introduction:theGiantandtheCow132TheExpansionoftheUniverse203TheCosmicMicrowaveRadiationBackground524RecipeforaHotUniverse815TheFirstThreeMinutes1026AHisto
2、ricalDiversion1207TheFirstOne-hundredthSecond1308Epilogue:theProspectAhead145Afterword151TABLES:1.PropertiesofSomeElementaryParticles1632.PropertiesofSomeKindsofRadiation164Glossary165PrefaceThisbookgrewoutofatalkIgaveatthededicationoftheUndergraduateScienceCenteratHarvardinN
3、ovember1973.ErwinGlikes,presidentandpublisherofBasicBooks,heardofthistalkfromamutualfriend,DanielBell,andurgedmetoturnitintoabook.AtfirstIwasnotenthusiasticabouttheidea.AlthoughIhavedonesmallbitsofresearchincosmologyfromtimetotime,myworkhasbeenmuchmoreconcernedwiththephysicso
4、ftheverysmall,thetheoryofelementaryparticles.Also,elementaryparticlephysicshasbeenextraordinarilylivelyinthelastfewyears,andIhadbeenspendingtoomuchtimeawayfromit,writingnon-technicalarticlesforvariousmagazines.Iwantedverymuchtoreturnfulltimetomynaturalhabitat,thePhysicalRevie
5、w.However,IfoundthatIcouldnotstopthinkingabouttheideaofabookontheearlyuniverse.WhatcouldbemoreinterestingthantheproblemofGenesis?Also,itisintheearlyuniverse,especiallythefirsthundredthofasecond,thattheproblemsofthetheoryofelementaryparticlescometogetherwiththeproblemsofcosmol
6、ogy.Aboveall,thisisagoodtimetowriteabouttheearlyuniverse.Injustthelastdecadeadetailedtheoryofthecourseofeventsintheearlyuniversehasbecomewidelyacceptedasa'standardmodel'.Itisaremarkablethingtobeabletosayjustwhattheuniversewaslikeattheendofthefirstsecondorthefirstminuteorthefi
7、rstyear.Toaphysicist,theexhilaratingthingistobeabletoworkthingsoutnumerically,tobeabletosaythatatsuchandsuchatimethetemperatureanddensityandchemicalcompositionoftheuniversehadsuch10TheFirstThreeMinutesandsuchvalues.True,wearenotabsolutelycertainaboutallthis,butitisexcitingtha
8、twearenowabletospeakofsuchthingswithanyconfidenceatall.Itwasthisexci
