Galilean and Dynamical Invariance of Entanglement in Particle Scattering
arXiv:quant-ph/0607181 · doi:10.1103/PhysRevLett.98.080406
Abstract
Particle systems admit a variety of tensor product structures (TPSs) depending on the algebra of observables chosen for analysis. Global symmetry transformations and dynamical transformations may be resolved into local unitary operators with respect to certain TPSs and not with respect to others. Symmetry-invariant and dynamical-invariant TPSs are defined and various notions of entanglement are considered for scattering states.
arXiv comment4 pages, no figures; v.3 has typos corrected, a new reference, and a revised conclusion
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