Shuichi Murakami 1998 J. Phys. A: Math. Gen. 31 6367 doi:10.1088/0305-4470/31/30/006
New integrable extension of the Hubbard chain with variable range hopping
Shuichi Murakami
Show affiliationsA new integrable variant of the one-dimensional Hubbard model with variable-range correlated hopping is studied. The Hamiltonian is constructed by applying the quantum inverse scattering method on the infinite interval at zero density to the one-parameter deformation of the L-matrix of the Hubbard model. By construction, this model has 
symmetry in the infinite chain limit. Multiparticle eigenstates of the model are investigated by using this method.
- PACS
- MSC
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37K15 Integration of completely integrable systems by inverse spectral and scattering methods
37J35 Completely integrable systems, topological structure of phase space, integration methods
- Subjects
- Dates
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Issue 30 (31 July 1998)
Received 6 February 1998
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New integrable extension of the Hubbard chain with variable range hopping
Shuichi Murakami 1998 J. Phys. A: Math. Gen. 31 6367
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