4.7 Article

OpenMP solver for rotating spin-1 spin-orbit- and Rabi-coupled Bose-Einstein condensates

Journal

COMPUTER PHYSICS COMMUNICATIONS
Volume 264, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.cpc.2021.107926

Keywords

Spinor Bose-Einstein condensate; Spin-orbit coupling; Gross-Pitaevskii equation; Split-step Crank-Nicolson scheme; Fortran programs; Partial differential equation

Funding

  1. Council of Scientific and Industrial Research (CSIR), India [03 (1422) /18/EMRII]
  2. Science and EngineeringResearch Board (SERB), India [CRG/2019/004059]
  3. Institute of Physics Belgrade through Ministry of Education, Science, and Technological Development of the Republic of Serbia
  4. CNPq (Brazil) [301324/20190]
  5. ICTP-SAIFR-FAPESP (Brazil) [2016/013437]

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The program presented here solves the Gross-Pitaevskii equation for a three-component rotating spin-1 BEC in a harmonic trap in two dimensions, with options for different spin-orbit couplings. It uses the split-step Crank-Nicolson scheme for both imaginary and real-time propagation for calculating stationary states and BEC dynamics.
We present OpenMP version of a Fortran program for solving the Gross-Pitaevskii equation for a harmonically trapped three-component rotating spin-1 spinor Bose-Einstein condensate (BEC) in two spatial dimensions with or without spin-orbit (SO) and Rabi couplings. The program uses either Rashba or Dresselhaus SO coupling. We use the split-step Crank-Nicolson discretization scheme for imaginary and real-time propagation to calculate stationary states and BEC dynamics, respectively.

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