Efficient and accurate methods for solving the time-dependent spin-1 Gross-Pitaevskii equation.
basic_science · Level V
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- Record sourced from PubMed, PMID 27301007.
- Also identified by DOI 10.1103/PhysRevE.93.053309.
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Abstract
We develop a numerical method for solving the spin-1 Gross-Pitaevskii equation. The basis of our work is a two-way splitting of the spin-1 evolution equation that leads to two exactly solvable flows. We use this to implement a second-order and a fourth-order symplectic integration method. These are the first fully symplectic methods for evolving spin-1 condensates. We develop two nontrivial numerical tests to compare our methods against two other approaches.