A new class of completely integrable quantum spin chains

Physics – Condensed Matter – Strongly Correlated Electrons

Scientific paper

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4 pages in RevTex

Scientific paper

10.1088/0305-4470/31/21/002

A large (infinitely-dimensional) class of completely integrable (possibly non-autonomous) spin chains is discovered associated to an infinite-dimensional Lie Algebra of infinite rank. The complete set of integrals of motion is constructed explicitly, as well as their eigenstates and spectra. As an example we outline kicked Ising model: Ising chain periodically kicked with transversal magnetic field.

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