Integrable Time-Dependent Quantum Hamiltonians
May 12, 20187 pages
Published in:
- Phys.Rev.Lett. 120 (2018) 19, 190402
- Published: May 12, 2018
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Abstract: (APS)
We formulate a set of conditions under which the nonstationary Schrödinger equation with a time-dependent Hamiltonian is exactly solvable analytically. The main requirement is the existence of a non-Abelian 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 while maintaining their integrability. We also validate some prior conjectures, including the solution of the driven generalized Tavis-Cummings model.References(74)
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