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OpenMP GNU and Intel Fortran programs for solving the time-dependent Gross-Pitaevskii equation

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arxiv 1709.04423 v1 pith:BUO6GQZH submitted 2017-09-13 physics.comp-ph cond-mat.quant-gascs.MSnlin.PS

Luis E. Young-S. , Paulsamy Muruganandam , Sadhan K. Adhikari , Vladimir Loncar , Dusan Vudragovic , Antun Balaz This is my paper · ORCID
classification physics.comp-phcond-mat.quant-gascs.MSnlin.PS
keywords programsfortranintelopenmpequationgross-pitaevskiioptimizedsolving
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We present Open Multi-Processing (OpenMP) version of Fortran 90 programs for solving the Gross-Pitaevskii (GP) equation for a Bose-Einstein condensate in one, two, and three spatial dimensions, optimized for use with GNU and Intel compilers. We use the split-step Crank-Nicolson algorithm for imaginary- and real-time propagation, which enables efficient calculation of stationary and non-stationary solutions, respectively. The present OpenMP programs are designed for computers with multi-core processors and optimized for compiling with both commercially-licensed Intel Fortran and popular free open-source GNU Fortran compiler. The programs are easy to use and are elaborated with helpful comments for the users. All input parameters are listed at the beginning of each program. Different output files provide physical quantities such as energy, chemical potential, root-mean-square sizes, densities, etc. We also present speedup test results for new versions of the programs.

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  1. OpenMP Fortran programs for rotating dipolar Bose-Einstein condensates

    cond-mat.quant-gas 2026-08 conditional novelty 4.0 of 10

    The authors provide OpenMP Fortran code that solves the rotating dipolar Gross-Pitaevskii equation in 2D and 3D using imaginary- and real-time propagation.

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