Dimensional regularization of nonlinear sigma models on a finite time interval
نویسندگان
چکیده
We extend dimensional regularization to the case of compact spaces. Contrary to previous regularization schemes employed for nonlinear sigma models on a finite time interval (“quantum mechanical path integrals in curved space”) dimensional regularization requires only a covariant finite two-loop counterterm. This counterterm is nonvanishing and given by 1 8 h̄R. E-mail: [email protected] E-mail: [email protected] E-mail: [email protected]
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