Conformal Field Theory with Periodic Time

2025/12/09 by Melton, Walker, Strominger, Andrew
#FOS: Physical sciences #High Energy Physics - Theory (hep-th)

paper · doi:10.48550/arxiv.2512.09089

Abstract

It is shown that time-ordered correlation functions of a unitary CFT₂ in 2D Minkowski space admit a single-valued, conformally-invariant extension to the Lorentzian signature torus provided that the S¹× S¹ spatial and temporal radii are equal. The result extends to Lorentzian CFT_D on equal-radii S^D-1× S¹ under the assumption that branch cuts occur only when a pair of operator insertions are null separated.

Citations

• Conformal Correlators on the Lorentzian Torus
• Looking for a bulk point

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