Search Results - "Rocha Vieira, Vitor"

Macroscopic distinguishability between quantum states defining different phases of matter: fidelity and the Uhlmann geometric phase by Paunković, Nikola, Rocha Vieira, Vitor

“…We study the fidelity approach to quantum phase transitions (QPTs) and apply it to general thermal phase transitions (PTs). We analyze two particular cases:…”
Get full text

Macroscopic Distinguishability Between Quantum States Defining Different Phases of Matter: Fidelity and the Uhlmann Geometric Phase by Paunkovic, Nikola, Vieira, Vitor Rocha

“…Phys. Rev. E 77, 011129 (2008) We study the fidelity approach to quantum phase transitions (QPTs) and apply it to general thermal phase transitions (PTs). We…”
Get full text

Effect of Static Disorder in an Electron Fabry-Perot Interferometer with Two Quantum Scattering Centers by Ciccarello, Francesco, Palma, G. Massimo, Zarcone, Michelangelo, Omar, Yasser, Vieira, Vitor Rocha

“…Las. Phys. 17, 889 (2007) In a recent paper -- F. Ciccarello \emph{et al.}, New J. Phys. \textbf{8}, 214 (2006) -- we have demonstrated that the electron…”
Get full text

Entanglement Controlled Single-Electron Transmittivity by Ciccarello, Francesco, Palma, Massimo, Zarcone, Michelangelo, Omar, Yasser, Vieira, Vitor Rocha

“…New J. Phys. 8, 214 (2006) We consider a system consisting of single electrons moving along a 1D wire in the presence of two magnetic impurities. Such system…”
Get full text

Kondo lattice: Renormalization study using a new pseudofermion representation by Vieira, Vitor Rocha

Get full text

URBANIZAÇÃO E DESASTRES: OCUPAÇÃO DAS ÁREAS DE RISCOS EM TERESINA, PIAUÍ by Rocha, João Víctor Vieira, Barbosa Pereira, Patricia

“…Assim como ocorrido em outros grandes centros urbanos brasileiros, o processo de urbanização de Teresina-PI é marcado pela desordenada expansão da ocupação e…”
Get full text

Finite-temperature real-time field theories for spin (1/2 by Vieira, VR

Get full text

Relevance of the imaginary-time branch in real-time formalisms for thermodynamic equilibrium: Study of the Heisenberg model by Vieira, VR, Pimentel, IR

Get full text