Models for the irreducible representation of a Heisenberg group

Details Models for the irreducible representation of a Heisenberg group Models for the irreducible representation of a Heisenberg group

2004-09-17

arxiv.org/abs/math/0409299v2

"Infinite Dimensional Analysis, Quantum Probability and Related Topics", Volume 7, no. 4, December 2004, 527-546.

Mathematics

Quantum Algebra

14 pages, 1 figure. To be published in "Infinite Dimensional Analysis, Quantum Probability and Related Topics" (IDAQP). Added

Scientific paper

In its most general formulation a quantum kinematical system is described by a Heisenberg group; the "configuration space" in this case corresponds to a maximal isotropic subgroup. We study irreducible models for Heisenberg groups based on compact maximal isotropic subgroups. It is shown that if the Heisenberg group is 2-regular, but the subgroup is not, the "vacuum sector" of the irreducible representation exhibits a fermionic structure. This will be the case, for instance, in a quantum mechanical model based on the 2-adic numbers with a suitably chosen isotropic subgroup. The formulation in terms of Heisenberg groups allows a uniform treatment of p-adic quantum systems for all primes p, and includes the possibility of treating adelic systems.

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