String (physics): Difference between revisions
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{{dablink|This article deals with string as an object of [[string theory]]. For a usual string such as a guitar string, see [[vibrating string]].}} | <!-- {{dablink|This article deals with string as an object of [[string theory]]. For a usual string such as a guitar string, see [[vibrating string]].}} | ||
{{string-theory|cTopic=Concepts}} | {{string-theory|cTopic=Concepts}}--> | ||
A '''string''' is one of the main objects of study in [[string theory]], a branch of [[theoretical physics]]. There are different string [[theory|theories]], many of which are unified by [[M-theory]]. A string is an object with a one-dimensional spatial extent, unlike an [[elementary particle]] which is zero-dimensional, or point-like. | A '''string''' is one of the main objects of study in [[string theory]], a branch of [[theoretical physics]]. There are different string [[theory|theories]], many of which are unified by [[M-theory]]. A string is an object with a one-dimensional spatial extent, unlike an [[elementary particle]] which is zero-dimensional, or point-like. | ||
