72 citations · 327 across the 20 of their papers we have counts for
20 papers
Quantum binding energies in the Skyrme model
Sven Bjarke Gudnason, Chris Halcrow
A major problem in the Skyrme model is that the binding energy of skyrmions, which model nuclei, is too high by an order of magnitude. We show that the most popular solution to thi…
Fractional Skyrme lines in ferroelectric barium titanate
Chris Halcrow, Egor Babaev
We predict a topological defect in ferroelectric barium titanate which we call a skyrme line. These are line-like objects characterized by skyrmionic topological charge. As well as…
Ferroelectric domain wall clusters in barium titanate
Chris Halcrow, Egor Babaev
We study ferroelectric domain walls in barium titanate. We search for structurally nontrivial, so-called non-Ising domain walls, where the Polarisation is non-zero along the entire…
Stable Kink-Kink and Metastable Kink-Antikink Solutions
Chris Halcrow, Egor Babaev
We construct and study two kink theories. One contains a static 2-kink configuration with controllable binding energy. The other contains a locally stable non-topological solution,…
Nucleon-nucleon potential from instanton holonomies
Chris Halcrow, Derek Harland
We derive the nucleon-nucleon interaction from the Skyrme model using the instanton and product approximations to skyrmion dynamics. In doing so, we also calculate the classical po…
Spectral Walls at One Loop
Jarah Evslin, Chris Halcrow, Tomasz Romanczukiewicz +1
A spectral wall is a surface in a moduli space of classically BPS solitons where an internal excitation crosses the continuum mass threshold. It has recently been shown that spectr…