- Universidade Federal do Rio de JaneiroBR289 papers
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- Universidade Estadual de Campinas (UNICAMP)BR156 papers
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147 papers · 1 filter
Geometric Rényi mutual information induced by localized particle excitations in quantum field theory
Willy A. Izquierdo, David R. Junior, Gastão Krein
Quantum field theory exhibits rich spatial correlation structures even in the vacuum, where entanglement entropy between regions scales with the area of their shared boundary. Whil…
Thick oriented and nonoriented center-vortex configurations with fractional topological charge lumps
David R. Junior, L. E. Oxman, Gustavo M. Simões
Mixed oriented and nonoriented center vortices are known to generate nontrivial topological charge. However, most previous analyses have been restricted to Abelian-projected thin c…
Study of the Emergence of a Gluon Mass Scale from Center Vortices Using a Wave-Functional Formalism
David R. Junior, Gastão Krein, Luis E. Oxman +1
Lattice simulations and theoretical analyses consistently identify center vortices and monopoles as key nonperturbative configurations in Yang-Mills theory. In the continuum, the e…
Influence of a Perfectly Conducting Plate on the Uehling Potential of QED
Thales Azevedo, Fabricio A. Barone, Carlos Farina +2
In this work, we investigate the influence of a perfectly conducting plate on the Uehling potential of Quantum Electrodynamics (QED), corresponding to the first loop correction to…
Analogue black string in a quantum harmonic oscillator
Matheus E. Pereira, Alexandre G. M. Schmidt
For a scalar particle without self-interaction or backreaction from the space-time background, the dynamics are governed by the Klein-Gordon equation. In this work, we write the ex…
On the consistency of Lorentz-Violating Yang-Mills theories: Gauge invariance and non-perturbative effects
Antonio D. Pereira
Previous investigations on the renormalizability properties of Lorentz-violating Yang-Mills (LVYM) theories in the Landau gauge have pointed out the necessity of the inclusion of a…