Dirac deltas and discontinuous functions

1981, Ambiguities with the relativistic δ-function potential, Phys. Rev. A, 24, 1194, 10.1103/PhysRevA.24.1194

1987, Relativistic quarks in one-dimensional periodic structures, Phys. Rev. C, 35, 2262, 10.1103/PhysRevC.35.2262

1987, Proper treatment of the delta function potential in the one-dimensional Dirac equation, Am. J. Phys., 55, 737, 10.1119/1.15031

1993, Boundary conditions across a δ-function potential in the one-dimensional Dirac equation, Phys. Rev. A, 47, 3417, 10.1103/PhysRevA.47.3417

1997, Generalized point interactions in one-dimensional quantum mechanics, J. Phys. A, 30, 3937, 10.1088/0305-4470/30/11/021

1983, Relativistic one-dimensional hydrogen atom, Am. J. Phys., 51, 1036, 10.1119/1.13445

1987, Proper treatment of the delta function potential in the one-dimensional Dirac equation, Am. J. Phys., 55, 731

1985, Relativistic One-dimensional Binding and Two-dimensional Motion, J. Franklin Inst., 320, 323, 10.1016/0016-0032(85)90034-1

1993, Boundary conditions at the derivative of a delta function, J. Phys. A, 26, 2265, 10.1088/0305-4470/26/9/021

1997, Generalized point interactions in one-dimensional quantum mechanics, J. Phys. A, 30, 3937, 10.1088/0305-4470/30/11/021

1995, Electric polarizability and the solution of an inhomogeneous differential equation, Am. J. Phys., 63, 244, 10.1119/1.18092

1997, Logarithmic perturbation expansion for the Dirac equation in one dimension: Application to the polarizability calculation, Am. J. Phys., 65, 788, 10.1119/1.18649

1997, Electric polarizability of a relativistic particle, Am. J. Phys., 65, 888, 10.1119/1.18677