191 citations · 628 across the 20 of their papers we have counts for
20 papers
Shards of Broken Symmetry: Topological Defects as Traces of the Phase Transition Dynamics
W. H. Zurek, L. M. A. Bettencourt, J. Dziarmaga +1
We discuss the origin of topological defects in phase transitions and analyze their role as a "diagnostic tool" in the study of the non-equilibrium dynamics of symmetry breaking. H…
The Creation of Defects with Core Condensation
Nuno D. Antunes, Pedro Gandra, Ray J. Rivers +1
Defects in superfluid 3He, high-Tc superconductors, QCD colour superfluids and cosmic vortons can possess (anti)ferromagnetic cores, and their generalisations. In each case there i…
Decoherence, tunneling and noise-activation in a double-potential well at high and zero temperature
Nuno D. Antunes, Fernando C. Lombardo, Diana Monteoliva +1
We study the effects of the environment on tunneling in an open system described by a static double-well potential. We describe the evolution of a quantum state localized in one of…
Domain Formation: Decided Before, or After the Transition?
Nuno D. Antunes, Pedro Gandra, Ray J. Rivers
There is increasing evidence that causality provides useful bounds in determining the domain structure after a continuous transition. In devising their scaling laws for domain size…
The role of dissipation in biasing the vacuum selection in quantum field theory at finite temperature
F. Freire, N. D. Antunes, P. Salmi +1
We study the symmetry breaking pattern of an O(4) symmetric model of scalar fields, with both charged and neutral fields, interacting with a photon bath. Nagasawa and Brandenberger…
The Effects of Multiplicative Noise in Relativistic Phase Transitions
Nuno D. Antunes, Pedro Gandra, Ray J. Rivers
Effective stochastic equations for the continuous transitions of relativistic quantum fields inevitably contain multiplicative noise. We examine the effect of such noise in a numer…