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20212026
most citedWeyl operators, Tomita-Takesaki theory, and Bell-Clauser-Horne-Shimony-Holt inequality violations

19 citations · 73 across the 23 of their papers we have counts for

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Showing 2026Show all

8 papers · 1 filter

hep-th2026

Majorana bilinears, compact modular seeds and the approach to the Tsirelson bound

M. S. Guimaraes, I. Roditi, S. P. Sorella

In this work we study the Bell-CHSH inequality in the vacuum of the free massive Majorana field in dimensions, taking as the dichotomic observables of the two parties even bi…

hep-th2026

Mass Dependence of Araki Relative Entropy through Modular Theory

M. S. Guimaraes, I. Roditi, S. P. Sorella

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 scala…

hep-th2026

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

J. G. A. Caribé, M. S. Guimaraes, I. Roditi +1

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 dime…

hep-th2026

Modular wedge localization, Majorana fields and the Tsirelson limit of the Bell-CHSH inequality

J. G. A. Caribé, M. S. Guimaraes, I. Roditi +1

The massive Majorana field in dimension is employed to investigate the violation of the Bell-CHSH inequality in relativistic Quantum Field Theory. We give an explicit rapidit…

hep-th2026

Bosonization, vertex operators and maximal violation of the Bell-CHSH inequality in wedge regions

J. G. A. Caribé, M. S. Guimaraes, I. Roditi +1

It is pointed out that the vertex operators of a chiral boson in 1+1 dimensions provide an explicit realization of dichotomic, bounded, Hermitian operators that saturate the Tsirel…

hep-th2026

Modular Theory and the Bell-CHSH inequality in relativistic scalar Quantum Field Theory

J. G. A. Caribé, M. S. Guimaraes, I. Roditi +1

The Tomita-Takesaki modular theory is employed to discuss the Bell-CHSH inequality in wedge regions. By using the Bisognano-Wichmann results, the construction of a set of wedge loc…

quant-ph2026★ 1 cited

Squeezed states for Frenkel-like two-fermion composite bosons

Francisco Figueiredo, Itzhak Roditi

We investigate squeezed states of composite bosons (cobosons) formed by pairs of spin- fermions, with emphasis on Frenkel-like cobosons. While squeezing for standard bosonic m…

hep-th2026

Cat states and violation of the Bell-CHSH inequality in relativistic Quantum Field Theory

M. S. Guimaraes, I. Roditi, S. P. Sorella

A cat state localized in the right Rindler wedge is employed to study the violation of the Bell-CHSH inequality in a relativistic scalar free Quantum Field Theory. By means of the…