A position-space discretization on a cylinder approximates the modular operator for one and two double cones in the 1+1D massive Majorana field, showing nontrivial mass dependence and reduced bilocal terms at higher masses.
An approximate local modular quantum energy inequality in general quantum field theory
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Existence of a local stress-energy tensor as a connection one-form implies the local time-slice property and implementability of local isometries; the Klein-Gordon field in an irreducible Fock representation from a quasifree Hadamard state provides an example with a smooth scattering matrix for comp
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Numerical approach to the modular operator for fermionic systems
A position-space discretization on a cylinder approximates the modular operator for one and two double cones in the 1+1D massive Majorana field, showing nontrivial mass dependence and reduced bilocal terms at higher masses.
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An analytic approach to the stress energy tensor in quantum field theory
Existence of a local stress-energy tensor as a connection one-form implies the local time-slice property and implementability of local isometries; the Klein-Gordon field in an irreducible Fock representation from a quasifree Hadamard state provides an example with a smooth scattering matrix for comp