8 papers
Geometric formulation for Palatini-Cartan gravity
Jasel Berra-Montiel, Iván Cortes-Cruz, Alberto Molgado
Motivated by the increasing efforts to understand the covariant structure of physical models associated with General Relativity using different kinds of geometric frameworks, in th…
Phase space quantization of anisotropic cosmologies: Taub and Kantowski-Sachs models
Jasel Berra-Montiel, Alberto Molgado, Jorge Santacruz
We introduce an explicit construction of the non-diagonal and diagonal Wigner distributions for the homogeneous but anisotropic Taub and Kantowski-Sachs cosmological models within…
Star product for qubit states in phase space and star exponentials
Jasel Berra-Montiel, Alberto Molgado, Mar Sánchez-Córdova
In this paper, we formulate the phase space description of qubit systems using coadjoint orbits of and the Stratonovich-Weyl correspondence, yielding a deformation quantiza…
Star-exponential for Fermi systems and the Feynman-Kac formula
J. Berra-Montiel, H. GarcÃa-Compeán, A. Kafuri +1
Inspired by the formalism that relates the star-exponential with the quantum propagator for bosonic systems, in this work we introduce the analogous extension for the fermionic cas…
The Jaynes-Cummings model in Phase Space Quantum Mechanics
Mar Sanchez-Cordova, Jasel Berra-Montiel, Alberto Molgado
In this paper, we address the phase space formulation of the Jaynes-Cummings model through the explicit construction of the full Wigner function for a hybrid bipartite quantum syst…
Star exponentials and Wigner functions for time-dependent harmonic oscillators
Jasel Berra-Montiel, Daniel Contreras-Bear, Alberto Molgado +1
In this paper, we address the Wigner distribution and the star exponential function for a time-dependent harmonic oscillator for which the mass and the frequency terms are consider…