paper

Phase Transitions In M-Theory And F-Theory

arXiv:hep-th/9603150 · doi:10.1016/0550-3213(96)00212-X

Abstract

Phase transitions are studied in -theory and -theory. In -theory compactification to five dimensions on a Calabi-Yau, there are topology-changing transitions similar to those seen in conformal field theory, but the non-geometrical phases known in conformal field theory are absent. At boundaries of moduli space where such phases might have been expected, the moduli space ends, by a conventional or unconventional physical mechanism. The unconventional mechanisms, which roughly involve the appearance of tensionless strings, can sometimes be better understood in -theory.

30 pp, harvmanc

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