Open AccessFeynman Propagator for Closed Timelike Curves in the Kerr Metric
Author(s) -
M. Socolovsky
Publication year - 2021
Publication title -
theoretical physics
Language(s) - English
Resource type - Journals
eISSN - 2519-9633
pISSN - 2519-9625
DOI - 10.22606/tp.2021.63001
Subject(s) - propagator , feynman diagram , closed timelike curve , kerr metric , metric (unit) , mathematical physics , singularity , physics , feynman integral , ring (chemistry) , mathematics , quantum electrodynamics , mathematical analysis , quantum mechanics , spacetime , operations management , chemistry , schwarzschild metric , organic chemistry , economics , general relativity
We compute the Feynman propagator associated with closed timelike curves in the neighborhood of the ring singularity in the Kerr metric. The propagator is well defined outside r = 0, where it ceases to exist.