Strings & Manifolds: Do Strings Vibrate in 10-11D?

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SUMMARY

In string theory, strings are not the manifolds themselves but rather vibrate within a ten-dimensional (10D) or eleven-dimensional (11D) manifold. Traditional string theory posits that one-dimensional strings traverse a ten-dimensional spacetime manifold, resulting in the formation of a two-dimensional string-manifold. The endpoints of open strings are anchored to branes, which are classified as sub-manifolds. Additionally, strings can be conceptualized as one-dimensional branes, referred to as 1-branes, indicating their one-dimensional nature without a time component.

PREREQUISITES
  • Understanding of string theory fundamentals
  • Familiarity with the concepts of manifolds in physics
  • Knowledge of dimensionality in theoretical physics
  • Basic comprehension of branes and their role in string theory
NEXT STEPS
  • Research the implications of M-theory on string theory
  • Explore the mathematical framework of manifolds in higher dimensions
  • Study the role of branes in string theory and their types
  • Investigate the differences between one-dimensional strings and one-dimensional branes
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The discussion is beneficial for theoretical physicists, students of advanced physics, and researchers interested in string theory and higher-dimensional manifolds.

vasantharam
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In string theory are the strings themselves the manifolds? or are the strings vibrating in a 10 or 11-d manifold?.
 
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In old-fashioned string theory (omitting M-theory) one-dim. strings move through a ten-dim. space-time manifold and therefore create a two-dim. string-manifold. The endpoints of open strings are attached to so-called branes which again are sub-manifolds.
 
Strings may also be described as one dimensional branes, 1-brane; that's a reference to one dimensional space, no time component as Tom describes above...
 

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