Coherent states and N dimensional coordinate noncommutativity
Abstract
Considering coordinates as operators whose measured values are expectations between generalized coherent states based on the group SO(N,1) leads to coordinate noncommutativity together with full N dimensional rotation invariance. Through the introduction of a gauge potential this theory can additionally be made invariant under N dimensional translations. Fluctuations in coordinate measurements are determined by two scales. For small distances these fluctuations are fixed at the noncommutativity parameter while for larger distances they are proportional to the distance itself divided by a very large number. Limits on this number will be available from LIGO measurements. © SISSA 2006.
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