Discrete Scale Invariance and U(2) Family of Two-Body Contact Interactions in One Dimension
Satoshi Ohya
Abstract:Because of the absence of indistinguishability constraint, interparticle interactions between nonidentical particles have in general much more variety than those between identical particles. In particular, it is known that there exists a U(2) family of two-body contact interactions between nonidentical particles in one spatial dimension. This paper studies breakdown of continuous scale invariance to discrete scale invariance under this U(2) family of two-body contact interactions in two-body problems of nonide… Show more
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