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

Author(s)

Young-S, Luis E. ^[1] ; Muruganandam, Paulsamy ^[2] ; Adhikari, Sadhan K. ^[3] ; Loncar, Vladimir ^[4] ; Vudragovic, Dusan ^[4] ; Balaz, Antun ^[4]

Affiliation

^[1] Univ Santo Tomas, Dept Ciencias Basicas, Tunja 150001, Boyaca - Colombia

^[2] Bharathidasan Univ, Dept Phys, Palkalaiperur Campus, Tiruchchirappalli 620024, Tamil Nadu - India

^[3] UNESP Univ Estadual Paulista, Inst Fis Teor, BR-0114070 Sao Paulo, SP - Brazil

^[4] Univ Belgrade, Inst Phys Belgrade, Ctr Study Complex Syst, Sci Comp Lab, Belgrade - Serbia

• Document type: Journal article
• Source: COMPUTER PHYSICS COMMUNICATIONS; v. 220, p. 503-506, NOV 2017.
• Web of Science Citations: 16

Abstract

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. (AU)

• FAPESP's process: 12/00451-0 - Study of properties of Bose-Einstein Condensate: dipolar atoms and condensate of fermions
• Grantee: Sadhan Kumar Adhikari
• Support Opportunities: Research Projects - Thematic Grants