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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 2025Show all

7 papers · 1 filter

hep-th2025

Mass Dependence of the Araki-Uhlmann Relative Entropy Across Dimensions

João G. A. Caribé, Marcelo S. Guimarães, Itzhak Roditi +2

We investigate the mass dependence of the Araki-Uhlmann relative entropy between a localized coherent excitation and the vacuum state of a free scalar quantum field on the -…

hep-th2025

Investigating the Araki-Uhlmann relative entropy between two coherent states in relativistic Quantum Field Theory

João G. A. Caribé, Marcelo S. Guimaraes, Itzhak Roditi +1

A numerical setup for investigating the Araki-Uhlmann relative entropy between two coherent states is presented for a scalar massive Quantum Field Theory in ()-dimensional Min…

quant-ph2025

On a class of bounded Hermitian operators for the Bell-CHSH inequality in Quantum Field Theory

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

The violation of the Bell-CHSH inequality in a relativistic scalar Quantum Field Theory is analysed by means of a set of bounded Hermitian operators constructed out of the unitary…

hep-th2025

Relative entropy of single-mode squeezed states in Quantum Field Theory

Marcelo S. Guimaraes, Itzhak Roditi, Silvio P. Sorella +1

Utilizing the Tomita-Takesaki modular theory, we derive a closed-form analytic expression for the Araki-Uhlmann relative entropy between a single-mode squeezed state and the vacuum…

cond-mat.quant-gas2025

Composite Bosons Superposition Ansatz Approach to One-Dimensional Trapped Few-Fermion Systems

Francisco Figueiredo, Itzhak Roditi

Ultra-cold atomic systems provide a versatile platform for exploring quantum phenomena, offering tunable interactions and diverse trapping geometries. In this study, we investigate…

hep-th2025★ 2 cited

A numerical analysis of Araki-Uhlmann relative entropy in Quantum Field Theory

Marcelo S. Guimaraes, Itzhak Roditi, Silvio P. Sorella +1

We numerically investigate the Araki-Uhlmann relative entropy in Quantum Field Theory, focusing on a free massive scalar field in 1+1-dimensional Minkowski spacetime. Using Tomita-…

quant-ph2025★ 2 cited

Bell and Mermin inequalities in Quantum Field Theory from vacuum projectors and Weyl operators

M. S. Guimaraes, I. Roditi, S. P. Sorella +1

The use of the vacuum projector and of the unitary Weyl operators enables us to construct a set of Hermitian dichotomic operators in relativistic scalar Qu…