Yangian-invariant field theory of matrix-vector models

Details Yangian-invariant field theory of matrix-vector models Yangian-invariant field theory of matrix-vector models

1996-07-10

arxiv.org/abs/hep-th/9607083v2

Nucl.Phys. B486 (1997) 650-672

Physics

High Energy Physics

High Energy Physics - Theory

Extensive modifications in the construction of the spinon basis and the subsequent computations of eigenvalues and eigenvector

Scientific paper

10.1016/S0550-3213(96)00663-3

We extend our study of the field-theoretic description of matrix-vector models and the associated many-body problems of one dimensional particles with spin. We construct their Yangian-su(R) invariant Hamiltonian. It describes an interacting theory of a c=1 collective boson and a k=1 su(R) current algebra. When $R \geq 3$ cubic-current terms arise. Their coupling is determined by the requirement of the Yangian symmetry. The Hamiltonian can be consistently reduced to finite-dimensional subspaces of states, enabling an explicit computation of the spectrum which we illustrate in the simplest case.

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