Abstract
In this paper we find non-trivial vacuum states for the renormalizable non-commutative φ4 model. An associated linear sigma model is then considered. We further investigate the corresponding spontaneous symmetry breaking.
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de Goursac, A., Tanasa, A. & Wallet, JC. Vacuum configurations for renormalizable non-commutative scalar models. Eur. Phys. J. C 53, 459–466 (2008). https://doi.org/10.1140/epjc/s10052-007-0465-6
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DOI: https://doi.org/10.1140/epjc/s10052-007-0465-6