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6 papers · 1 filter
Gradient Flow in the Ginzburg-Landau Model of Superconductivity
P. Mikula, M. E. Carrington, G. Kunstatter
We present numerical studies of the dynamics of vortices in the Ginzburg Landau model using equations derived from the gradient flow of the free energy. These equations have previo…
Bounds on probability of state transfer with respect to readout time and edge weight
Whitney Gordon, Steve Kirkland, Chi-Kwong Li +2
We analyse the sensitivity of a spin chain modelled by an undirected weighted connected graph exhibiting perfect state transfer to small perturbations in readout time and edge weig…
New 2D dilaton gravity for nonsingular black holes
Gabor Kunstatter, Hideki Maeda, Tim Taves
We construct a two-dimensional action that is an extension of spherically symmetric Einstein-Lanczos-Lovelock gravity. The action contains arbitrary functions of the areal radius a…
Classes of Stable Initial Data for Massless and Massive Scalars in Anti-de Sitter Spacetime
Nils Deppe, Andrew R. Frey
Since horizon formation in global anti-de Sitter spacetime is dual to thermalization of a conformal field theory on a compact space, whether generic initial data is stable or unsta…
Energy Loss in Unstable Quark-Gluon Plasma
Margaret E. Carrington, Katarzyna Deja, Stanislaw Mrowczynski
The momentum distribution of quark-gluon plasma at the early stage of a relativistic heavy-ion collision is anisotropic and consequently the system, which is assumed to be weakly c…
On the geometric measure of entanglement for pure states
M. E. Carrington, G. Kunstatter, J. Perron +1
The geometric measure of entanglement is the distance or angle between an entangled target state and the nearest unentangled state. Often one considers the geometric measure of ent…