In quantum mechanics, Bargmann's limit, named for Valentine Bargmann, provides an upper bound on the number Nl of bound states in a system. It takes… (More)

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2015

2015

We consider a generalization of the classical pinning problem for integer-valued random walks conditioned to stay non-negative… (More)

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2008

2008

We study individual eigenstates of quantized area-preserving maps on the 2-torus which are classically chaotic. In order to… (More)

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1999

1999

- Sergey L. Cherkas
- 1999

It is shown that two ways of the description of the 1/2–spin precession in a circularly polarized electromagnetic wave: on the… (More)

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1993

1993

- J. A. de Azcárraga, Demosthenes Ellinas
- 1993

A method for obtaining complex analytic realizations for a class of deformed algebras based on their respective deformation… (More)

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