Re: Strongly coupled quantum mechanics

From: Arnold Neumaier (Arnold.Neumaier_at_univie.ac.at)
Date: 06/22/04 

Date: Tue, 22 Jun 2004 21:46:27 +0000 (UTC)

David wrote:
> This seems like a question I should know the answer to.
>
> Can anyone suggest what can be said about (say) 0+1 dimensional
> quantum mechanics in the limit where kinetic terms are suppressed?
> Although individual Feynman diagrams seemingly diverge, I suppose that
> one should still be able to define observables which are finite in
> this limit.

This is just the infinite mass limit of a system. The system becomes
very slow and behaves essentially classically, if started in a coherent
state.

Arnold Neumaier

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