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Quantum Physics

Title: Quantum times of arrival for multiparticle states

Abstract: Using the concept of crossing state and the formalism of second quantization, we propose a prescription for computing the density of arrivals of particles for multiparticle states, both in the free and the interacting case. The densities thus computed are positive, covariant in time for time independent hamiltonians, normalized to the total number of arrivals, and related to the flux. We investigate the behaviour of this prescriptions for bosons and fermions, finding boson enhancement and fermion depletion of arrivals.
Comments: 10 a4 pages, 5 inlined figures
Subjects: Quantum Physics (quant-ph)
Journal reference: Phys. Rev. A 65 (2002) 032114
DOI: 10.1103/PhysRevA.65.032114
Report number: EHU-FT/0104
Cite as: arXiv:quant-ph/0109133
  (or arXiv:quant-ph/0109133v1 for this version)

Submission history

From: Inigo L. Egusquiza [view email]
[v1] Wed, 26 Sep 2001 14:02:06 GMT (33kb)