String theory allows chiral gauge coupling

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String theory allows chiral gauge coupling

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In Polchinski String Vol 1:

>Chiral gauge couplings. The gauge interactions in nature are parity asymmetric (chiral). This has been a stumbling block for a number of previous unifying ideas: they required parity symmetric gauge couplings. String theory allows chiral gauge couplings.

What are the approaches from String theory allowing chiral gauge couplings?

Can experts sketch and enumerate all of the different ideas?

asked Oct 17, 2020 in Theoretical Physics by annie marie heart (1,205 points) [ no revision ]

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