Establishes dimension-dependent L2 convergence rates for first-order EWI on NLSE with singular L2/Lp potentials, achieving first-order accuracy in 3D for Coulomb under p>12/5.
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Error estimates of an exponential wave integrator for the nonlinear Schr\"odinger equation with singular potential
Establishes dimension-dependent L2 convergence rates for first-order EWI on NLSE with singular L2/Lp potentials, achieving first-order accuracy in 3D for Coulomb under p>12/5.