Exact BPS bound for noncommutative baby Skyrmions

authored by

Andrei Domrin, Olaf Lechtenfeld, Román Linares, Marco Maceda

Abstract

The noncommutative baby Skyrme model is a Moyal deformation of the two-dimensional sigma model plus a Skyrme term, with a group-valued or Grassmannian target. Exact abelian solitonic solutions have been identified analytically in this model, with a singular commutative limit. Inside any given Grassmannian, we establish a BPS bound for the energy functional, which is saturated by these baby Skyrmions. This asserts their stability for unit charge, as we also test in second-order perturbation theory.

Organisation(s)

Institut für Theoretische Physik
Riemann Center for Geometry and Physics

External Organisation(s)

Lomonosov Moscow State University
Universidad Autonoma Metropolitana (UAM)

Type

Artikel

Journal

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

Volume

727

Pages

303-307

No. of pages

5

ISSN

0370-2693

Publication date

25.11.2013

Publication status

Veröffentlicht

Peer reviewed

Yes

ASJC Scopus Sachgebiete

Kern- und Hochenergiephysik

Electronic version(s)

https://doi.org/10.1016/j.physletb.2013.10.023 (Access: Offen)