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hep-th2008★ 3 cited
Possible Detection of Causality Violation in a Non-local Scalar Model
Asrarul Haque, Satish D. Joglekar
We consider the possibility that there may be causality violation detectable at higher energies. We take a scalar nonlocal theory containing a mass scale as a model example and…
hep-th2007★ 3 cited
Causality in Non-Commutative Quantum Field Theories
Asrarul Haque, Satish D. Joglekar
We study causality in non-commutative quantum field theory with a space-space non-commutativity. We employ the S-operator approach of Bogoliubov-Shirkov(BS). We generalize the BS c…