14 citations · 14 across the 1 of their papers we have counts for
2 papers
gr-qc1997★ 14 cited
Divergences in the Effective Action for Acausal Spacetimes
M. J. Cassidy
The 1--loop effective Lagrangian for a massive scalar field on an arbitrary causality violating spacetime is calculated using the methods of Euclidean quantum field theory in curve…
gr-qc1994
Nonlinearity in Quantum Theory and Closed Timelike Curves
M. J. Cassidy
We examine consequences of the density matrix approach to quantum theory in the context of a model spacetime containing closed timelike curves and find that in general, an initiall…