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Modified Algebraic Bethe Ansatz: Twisted XXX Case (1804.00597v3)
Published 2 Apr 2018 in math-ph, hep-th, and math.MP
Abstract: We prove the modified algebraic Bethe Ansatz characterization of the spectral problem for the closed XXX Heisenberg spin chain with an arbitrary twist and arbitrary positive (half)-integer spin at each site of the chain. We provide two basis to characterize the spectral problem and two families of inhomogeneous Baxter T-Q equations. The two families satisfy an inhomogeneous quantum Wronskian equation.