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arxiv: hep-th/9710109 · v1 · submitted 1997-10-14 · ✦ hep-th

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Fine-Tuning Renormalization and Two-particle States in Nonrelativistic Four-fermion Model

A. N. Vall , S. E. Korenblit , V. M. Leviant , A. V. Sinitskaya , A. B. Tanaev
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classification ✦ hep-th
keywords four-fermionnonrelativisticrenormalizationtwo-particleconnectionconstructioncontactcurrent-current
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Various exact solutions of two-particle eigenvalue problems for nonrelativistic contact four-fermion current-current interaction are obtained. Specifics of Goldstone mode is investigated. The connection between a renormalization procedure and construction of self-adjoint extensions is revealed.

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