small polaron with generic open boundary conditions: exact solution via the off-diagonal bethe ansatz
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2015
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Abstract
The small polaron, a one-dimensional lattice model of interacting spinless fermions, with generic non-diagonal boundary terms is studied by the off-diagonal Bethe ansatz method. The presence of the Grassmann valued non-diagonal boundary fields gives rise to a typical U(1)-symmetry-broken fermionic model. The exact spectra of the Hamiltonian and the associated Bethe ansatz equations are derived by constructing an inhomogeneous T–Q relation.| Reference Key |
xu2015nuclearsmall
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| Authors | ;Xiaotian Xu;Junpeng Cao;Kun Hao;Zhan-Ying Yang;Wen-Li Yang |
| Journal | biology and fertility of soils |
| Year | 2015 |
| DOI | 10.1016/j.nuclphysb.2015.07.008 |
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