Hexagonal structure of baby Skyrmion lattices

Itay Hen, Marek Karliner

Research output: Contribution to journalArticlepeer-review

Abstract

We study the zero-temperature crystalline structure of baby Skyrmions by applying a full-field numerical minimization algorithm to baby Skyrmions placed inside different parallelogramic unit cells and imposing periodic boundary conditions. We find that within this setup, the minimal energy is obtained for the hexagonal lattice, and that in the resulting configuration the Skyrmion splits into quarter Skyrmions. In particular, we find that the energy in the hexagonal case is lower than the one obtained on the well-studied rectangular lattice, in which splitting into half Skyrmions is observed.

Original languageEnglish
Article number054009
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume77
Issue number5
DOIs
StatePublished - 13 Mar 2008

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