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The quest for solvable multistate Landau-Zener models

Journal Article · · Journal of Physics. A, Mathematical and Theoretical
 [1];  [2]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Wayne State Univ., Detroit, MI (United States)
Recently, integrability conditions (ICs) in mutistate Landau-Zener (MLZ) theory were proposed. They describe common properties of all known solved systems with linearly time-dependent Hamiltonians. Here we show that ICs enable efficient computer assisted search for new solvable MLZ models that span complexity range from several interacting states to mesoscopic systems with many-body dynamics and combinatorially large phase space. This diversity suggests that nontrivial solvable MLZ models are numerous. Additionally, we refine the formulation of ICs and extend the class of solvable systems to models with points of multiple diabatic level crossing.
Research Organization:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
LDRD; USDOE
Grant/Contract Number:
AC52-06NA25396
OSTI ID:
1375172
Alternate ID(s):
OSTI ID: 22656398
Report Number(s):
LA-UR--16-29453
Journal Information:
Journal of Physics. A, Mathematical and Theoretical, Journal Name: Journal of Physics. A, Mathematical and Theoretical Journal Issue: 25 Vol. 50; ISSN 1751-8113
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (11)

Integrable time-dependent Hamiltonians, solvable Landau–Zener models and Gaudin magnets journal May 2018
Spin dynamics during chirped pulses: applications to homonuclear decoupling and broadband excitation journal September 2020
Low-frequency spectroscopy for quantum multilevel systems journal November 2018
Suppression of multiphoton resonances in driven quantum systems via pulse shape optimization text January 2017
Integrable time-dependent quantum Hamiltonians text January 2017
Nonadiabatic transitions in Landau-Zener grids: integrability and semiclassical theory text January 2021
A large class of solvable multistate Landau–Zener models and quantum integrability journal May 2018
Eigenmodes of a lamellar optical grating: Profile, propagation, reflection, transmission, and nonadiabatic mode coupling journal November 2019
Dynamic spin localization and γ -magnets journal December 2019
Suppression of Multiphoton Resonances in Driven Quantum Systems via Pulse Shape Optimization journal August 2017
Integrable Time-Dependent Quantum Hamiltonians journal May 2018

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