9806036v1

related topics
{time, wave, function}
{particle, mechanics, theory}
{energy, gaussian, time}
{field, particle, equation}
{let, theorem, proof}
{observables, space, algebra}
{time, systems, information}
{energy, state, states}
{operator, operators, space}
{level, atom, field}
{state, states, entangled}
{equation, function, exp}

Causality, particle localization and positivity of the energy

Gerhard C. Hegerfeldt

abstract: Positivity of the Hamiltonian alone is used to show that particles, if initially localized in a finite region, immediately develop infinite tails.

oai_identifier:
oai:arXiv.org:quant-ph/9806036
categories:
quant-ph
comments:
To appear in: Irreversibility and Causality in Quantum Theory -- Semigroups and Rigged Hilbert Spaces, edited by A. Bohm, H.-D. Doebner and P. Kielanowski, Springer Lecture Notes in Physics, Vol. 504 (1998)
doi:
10.1007/BFb0106784
arxiv_id:
quant-ph/9806036
created:
1998-06-11

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