Mermin's inequalities in Quantum Field Theory
arXiv:2303.12195 · doi:10.1016/j.physletb.2023.138198
Abstract
A relativistic Quantum Field Theory framework is devised for Mermin's inequalities. By employing smeared Dirac spinor fields, we are able to introduce unitary operators which create, out of the Minkowski vacuum , GHZ-type states. In this way, we are able to obtain a relation between the expectation value of Mermin's operators in the vacuum and in the GHZ-type states. We show that Mermin's inequalities turn out to be maximally violated when evaluated on these states.
arXiv comment8 pages, published in PLB
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