An efficient computational scheme for solving coupled time-fractional Schrödinger equation via cubic B-spline functions

PLoS One. 2024 May 16;19(5):e0296909. doi: 10.1371/journal.pone.0296909. eCollection 2024.

Abstract

The time fractional Schrödinger equation contributes to our understanding of complex quantum systems, anomalous diffusion processes, and the application of fractional calculus in physics and cubic B-spline is a versatile tool in numerical analysis and computer graphics. This paper introduces a numerical method for solving the time fractional Schrödinger equation using B-spline functions and the Atangana-Baleanu fractional derivative. The proposed method employs a finite difference scheme to discretize the fractional derivative in time, while a θ-weighted scheme is used to discretize the space directions. The efficiency of the method is demonstrated through numerical results, and error norms are examined at various values of the non-integer parameter, temporal directions, and spatial directions.

MeSH terms

  • Algorithms*
  • Computer Simulation
  • Models, Theoretical
  • Quantum Theory

Grants and funding

The author(s) received no specific funding for this work.