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quant-ph2000
A finite-dimensional representation of the quantum angular momentum operator
Rafael G. Campos, L. O. Pimentel, .
A useful finite-dimensional matrix representation of the derivative of periodic functions is obtained by using some elementary facts of trigonometric interpolation. This NxN matrix…
quant-ph2000
Globally singularity-free semi-classical wave functions in closed form
C. Jung, F. Leyvraz, T. H. Seligman
We use a factorization technique and representation of canonical transformations to construct globally valid closed form expressions without singularities of semi-classical wave fu…