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Supersymmetric Multiphonon Structure

Abstract : A multiphonon structure, which is known to exist in boson systems [e.g., the U(5) and O(6) limits of the interacting boson model], is shown to arise also in a mixed system of bosons and fermions. This is illustrated with the example of the Spin(6) limit of U( 6|4) in which a j = 3 / 2 fermion is coupled to an O(6) boson core. All states in the supersymmetric multiplet of U( 6|4) are shown to be multiphonon states obtained by multiple action of a quadrupole operator.
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Submitted on : Tuesday, August 19, 2008 - 2:28:33 PM
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Ka-Hae Kim, Takaharu Otsuka, A. Gelberg, P. von Brentano, P. van Isacker. Supersymmetric Multiphonon Structure. Physical Review Letters, American Physical Society, 1996, 76, pp.3514-3517. ⟨10.1103/PhysRevLett.76.3514⟩. ⟨in2p3-00311598⟩



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