Spacetime foam , CPT anomaly , and photon propagation

  title={Spacetime foam , CPT anomaly , and photon propagation},
  author={Frans R. Klinkhamer and Christian Rupp},
Institut für Theoretische Physik, Universität Karlsruhe (TH), 76128 Karlsruhe, Germany Abstract The CPT anomaly of certain chiral gauge theories has been established previously for flat multiply connected spacetime manifolds M of the type R3 ×S1, where the noncontractible loops have a minimal length. In this article, we show that the CPT anomaly also occurs… CONTINUE READING