supported by the National Natural Science Foundation of China(12271523,11901577,11971481,12071481);the National Key R&D Program of China(SQ2020YFA0709803);the Defense Science Foundation of China(2021-JCJQ-JJ-0538);the National Key Project(GJXM92579);the Natural Science Foundation of Hunan(2020JJ5652,2021JJ20053);the Research Fund of National University of Defense Technology(ZK19-37,ZZKY-JJ-21-01);the Science and Technology Innovation Program of Hunan Province(2021RC3082);the Research Fund of College of Science,National University of Defense Technology(2023-lxy-fhjj-002).
We develop a class of conservative integrators for the regularized logarithmic Schrodinger equation(RLogSE)using the quadratization technique and symplectic Runge-Kutta schemes.To preserve the highly nonlinear energy ...