F. Schmidt et D. Yevick, DISCRETE TRANSPARENT BOUNDARY-CONDITIONS FOR SCHRODINGER-TYPE EQUATIONS, Journal of computational physics, 134(1), 1997, pp. 96-107
We present a general technique for constructing nonlocal transparent b
oundary conditions for one-dimensional Schrodinger-type equations. Our
method supplies boundary conditions for the theta-family of implicit
one-step discretizations of Schrodinger's equation in time. The use of
Mikusinski's operator approach in time avoids direct and inverse tran
sforms between time and frequency domains and thus implements the boun
dary conditions in a direct manner. (C) 1997 Academic Press.