Abstract
The quantum ℂP N −1 model is in the confining (or unbroken) phase with a full mass gap in an infinite space, while it is in the Higgs (broken or deconfinement) phase accompanied with Nambu-Goldstone modes in a finite space such as a ring or finite interval smaller than a certain critical size. We find a new self-consistent exact solution describing a soliton in the Higgs phase of the ℂP N −1 model in the large-N limit on a ring. We call it a confining soliton. We show that all eigenmodes have real and positive energy and thus it is stable.
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Nitta, M., Yoshii, R. Confining solitons in the Higgs phase of ℂP N −1 model: self-consistent exact solutions in large-N limit. J. High Energ. Phys. 2018, 7 (2018). https://doi.org/10.1007/JHEP08(2018)007
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DOI: https://doi.org/10.1007/JHEP08(2018)007