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quant-ph2006★ 59 cited
Galilean and Dynamical Invariance of Entanglement in Particle Scattering
N. L. Harshman, S. Wickramasekara
Particle systems admit a variety of tensor product structures (TPSs) depending on the algebra of observables chosen for analysis. Global symmetry transformations and dynamical tran…
quant-ph2005
Complex Energies and Beginnings of Time Suggest a Theory of Scattering and Decay
A. Bohm, P. Kielanowski, S. Wickramasekara
Many useful concepts for a quantum theory of scattering and decay (like Lippmann-Schwinger kets, purely outgoing boundary conditions, exponentially decaying Gamow vectors, causalit…
quant-ph2003
On Einstein Causality and Time Asymmetry in Quantum Physics
S. Wickramasekara, A. Bohm
A theorem of Hegerfeldt shows that if the spectrum of the Hamiltonian is bounded from below, then the propagation speed of certain probabilities does not have an upper bound. We pr…