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Phys. Rev. D 66, 125004 (2002) [8 pages]

About maximally localized states in quantum mechanics

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S. Detournay, C. Gabriel*, and Ph. Spindel
Mécanique et Gravitation, Université de Mons-Hainaut, 20 Place du Parc, 7000 Mons, Belgium

Received 10 June 2002; published 13 December 2002

We analyze the emergence of a minimal length for a large class of generalized commutation relations, preserving commutation of the position operators and translation invariance as well as rotation invariance (in dimensions higher than one). We show that the construction of the maximally localized states based on squeezed states generally fails. Rather, one must resort to a constrained variational principle.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.66.125004
DOI:
10.1103/PhysRevD.66.125004
PACS:
03.65.Ca, 03.65.Db

*Email address: claude.gabriel@umh.ac.be

Email address: philippe.spindel@umh.ac.be