Author

S. P. Sorella

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Preprint Sep 2026

Mass Dependence of Araki Relative Entropy through Modular Theory

Building on the established one-particle formula for the Araki relative entropy of coherent states, we study how its value acquires a nontrivial dependence on the mass of the scalar field. For a localized vector $h$ belonging to the standard subspace $H_m$ of the one-particle Hilbert space, the known quadratic-form exp...

M. S. Guimaraes, I. Roditi, S. P. Sorella · 0 citations

Preprint Aug 2026

Finite Weyl polynomials and the approach to Tsirelson's bound in relativistic scalar quantum field theory

We construct four bounded Hermitian operators, each one a finite polynomial in the unitary Weyl operators, for the Bell-CHSH inequality in a free massive scalar field in $1+1$ dimensions. The operators are localized in complementary wedges. Odd Weyl harmonics provide two exactly anticommuting axis observables in each w...

J. G. Caribé, M. S. Guimaraes, I. Roditi et al. · 2 citations · ⚡1