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12 papers · 2 filters
Sphalerons and resonance phenomenon in kink-antikink collisions
C. Adam, D. Ciurla, K. Oles +2
We show that in some kink-antikink (KAK) collisions sphalerons, i.e., unstable static solutions - rather than the asymptotic free soliton states - can be the source of the internal…
Scrambling under quench
Adith Sai Aramthottil, Diptarka Das, Suchetan Das +1
We evaluate out of time ordered correlators in certain low dimensional quantum systems at zero temperature, subjected to homogenous quantum quenches. We find that when the Lyapunov…
Collective coordinate model of kink-antikink collisions in theory
N. S. Manton, K. Oles, T. Romanczukiewicz +1
The fractal velocity pattern in symmetric kink-antikink collisions in theory is shown to emerge from a dynamical model with two effective moduli, the kink-antikink separation…
Phase diagram of 1+1D Abelian-Higgs model and its critical point
Titas Chanda, Maciej Lewenstein, Jakub Zakrzewski +1
We determine the phase diagram of the Abelian-Higgs model in one spatial dimension and time (1+1D) on a lattice. We identify a line of first order phase transitions separating the…
A simple description of holographic domain walls in confining theories -- extended hydrodynamics
Romuald A. Janik, Matti Jarvinen, Jacob Sonnenschein
In the context of theories with a first order phase transition, we propose a general covariant description of coexisting phases separated by domain walls using an additional order…
Resonance structures in kink-antikink collisions in a deformed sine-Gordon model
Patrick Dorey, Anastasia Gorina, Ilya Perapechka +2
We study kink-antikink collisions in a model which interpolates smoothly between the completely integrable sine-Gordon theory, the model, and a -like model with three de…