内容简介
Inrecentyears,superstringtheoryhasemergedasapromisingapproachtoreconcilinggeneralrelativitywithquantummechanicsandunifyingthefundamentalinteractions.Problemsthathaveseemedinsuperableinpreviousapproachestakeonatotallynewcharacterinthecontextofsuperstringtheory,andsomeofthemhavebeenovercome.Interestinthesubjecthasgreatlyincreasedfollowingasuccessionofexcitingrecentdevelopments.Thistwo-volumebookattemptstomeettheneedforasystematicexpositionofsuperstringtheoryanditsapplicationsaccessibletoaswideanaudienceaspossible.