Superstrings - what happens when a string has no vibration?

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In superstring theory, a string that has no vibration does not exist due to the GSO projection, which eliminates tachyonic states. In contrast, bosonic string theory allows for a non-vibrating string to correspond to a tachyon, but this model is not considered realistic. Therefore, the concept of a string without vibration is fundamentally incompatible with superstring theory, as it would imply the absence of the string itself.

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Can anyone tell me what would happen if a "string" (as in the strings in the superstring theory) for some reason had no vibration. Would it cease to exist? Would it just release all of its energy?
 
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CaptainGuevar said:
Can anyone tell me what would happen if a "string" (as in the strings in the superstring theory) for some reason had no vibration. Would it cease to exist? Would it just release all of its energy?
I'm not sure they can stop vibrating.
 
CaptainGuevar said:
Can anyone tell me what would happen if a "string" (as in the strings in the superstring theory) for some reason had no vibration. Would it cease to exist? Would it just release all of its energy?
In bosonic string theory, the string state without vibration corresponds to a tachyon. However, bosonic string theory is not realistic.
In superstring theory, such a tachyonic state is removed by the GSO projection. In other words, a superstring state without vibration does not exist.
 

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