Integrable time-dependent quantum Hamiltonians

27 Nov 2017  ·  Sinitsyn Nikolai A., Yuzbashyan Emil A., Chernyak Vladimir Y., Patra Aniket, Sun Chen ·

We formulate a set of conditions under which dynamics of a time-dependent quantum Hamiltonian are integrable. The main requirement is the existence of a nonabelian gauge field with zero curvature in the space of system parameters... Known solvable multistate Landau-Zener models satisfy these conditions. Our method provides a strategy to incorporate time-dependence into various quantum integrable models, so that the resulting non-stationary Schrodinger equation is exactly solvable. We also validate some prior conjectures, including the solution of the driven generalized Tavis-Cummings model. read more

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Quantum Physics Mesoscale and Nanoscale Physics Mathematical Physics Mathematical Physics