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15 papers · 1 filter
Debye screening mass of hot Yang-Mills theory to three-loop order
Ioan Ghisoiu, Jan Moller, York Schroder
Building upon our earlier work, we compute a Debye mass of finite-temperature Yang-Mills theory to three-loop order. As an application, we determine a contribution to the the…
Classically and Quantum stable Emergent Universe from Conservation Laws
Sergio del Campo, Eduardo I. Guendelman, Ramon Herrera +1
It has been recently pointed out by Mithani-Vilenkin that certain emergent universe scenarios which are classically stable are nevertheless unstable semiclassically to collapse. He…
Periodic solution and asymptotic stability for the magnetohydrodynamic equations with inhomogeneous boundary condition
Igor Kondrashuk, Eduardo A. Notte-Cuello, Mariano Poblete-Cantellano +1
We show, using the spectral Galerkin method together with compactness arguments, existence and uniqueness of the periodic strong solutions for the magnetohydrodynamics's type equat…
Cosmic anisotropic doomsday in Bianchi type I universes
Mauricio Cataldo, Antonella Cid, Pedro Labraña +1
In order to investigate if the anisotropy of the spacetime may induce future singularities at a finite value of the cosmic time on the evolution of cosmological models, we study va…
Intermediate accelerated solutions as generic late-time attractors in a modified Jordan-Brans-Dicke theory
Antonella Cid, Genly Leon, Yoelsy Leyva
We investigate a Jordan-Brans-Dicke (JBD) scalar field, , with power-law potential in the presence of a second scalar field, , with an exponential potential, in both the Jord…
The Moments of the Hydrogen Atom by the Method of Brackets
Ivan Gonzalez, Karen T. Kohl, Igor Kondrashuk +2
Expectation values of powers of the radial coordinate in arbitrary hydrogen states are given, in the quantum case, by an integral involving the associated Laguerre function. The me…