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Q-branes | | Steven Abel
; Alex Kehagias
; | | Date: |
16 Jul 2015 | | Abstract: | Non-topological solitons (Q-balls) are discussed in some stringy settings.
Our main result is that the dielectric D-brane system of Myers admits
non-abelian Q-ball solutions on their world-volume, in which $N$ D$p$-branes
relax to the standard dielectric form outside the Q-ball, but assume a more
diffuse configuration at its centre. We also consider how Q-balls behave in the
bulk of extra-dimensional theories, or on wrapped branes. We demonstrate that
they carry Kaluza-Klein charge and possess a corresponding Kaluza-Klein tower
of states just as normal particles, and we discuss surface energy effects by
finding exact Q-ball solutions in models with a specific logarithmic potential. | | Source: | arXiv, 1507.4557 | | Services: | Forum | Review | PDF | Favorites | |
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