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Noncommutative Q-lumps
Date
2008-11-01
Author
Kürkcüoğlu, Seçkin
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Q-lumps associated with the noncommutative CP(N) model in 2+1 dimensions are constructed. These are solitonic configurations which are time dependent and rotate with constant angular frequency. Energy of the Q-lumps is E=2 pi k+alpha|Q|, and we find that in a regime in which the noncommutativity parameter theta is related to the moduli determining the size of the lumps, it can be viewed to depend on theta via the Noether charge Q. We present a collective coordinate-type analysis signalling that CP(1) Q-lumps remain stable under small radiative perturbations.
Subject Keywords
Nuclear and High Energy Physics
URI
https://hdl.handle.net/11511/39862
Journal
PHYSICAL REVIEW D
DOI
https://doi.org/10.1103/physrevd.78.105018
Collections
Department of Physics, Article