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- Dmitry Budker, Derek F. Kimball, +41 authors Vladimir G. Zelevinsky
- 2003

- G L Celardo, N Auerbach, F M Izrailev, V G Zelevinsky
- Physical review letters
- 2011

We analyze the statistics of resonance widths in a many-body Fermi system with open decay channels. Depending on the strength of continuum coupling, such a system reveals growing deviations from the standard chi-square (Porter-Thomas) width distribution. The deviations emerge from the process of increasing interaction of intrinsic states through common… (More)

It is demonstrated that radiative corrections increase tunneling probability of a charged particle.

- J R Armstrong, S Aberg, S M Reimann, V G Zelevinsky
- Physical review. E, Statistical, nonlinear, and…
- 2012

It is known that many-fermion systems, such as complex atoms and nuclei, reveal (at some level of excitation energy) local signatures of quantum chaos similar to the predictions of random matrix theory. Here, we study the gradual development of such signatures in a model system of up to 16 fermions interacting through short-range pairing-type forces in a… (More)

- R. A. Sen'kov, M. Horoi, V. G. Zelevinsky
- Computer Physics Communications
- 2013

A high-performance Fortran code is developed to calculate the spin-and parity-dependent shell model nuclear level densities. The algorithm is based on the extension of methods of statistical spectroscopy and implies exact calculation of the first and second Hamiltonian moments for different configurations at fixed spin and parity. The proton-neutron… (More)

- S Sorathia, F M Izrailev, V G Zelevinsky, G L Celardo
- Physical review. E, Statistical, nonlinear, and…
- 2012

Using the phenomenological expression for the level spacing distribution with only one parameter 0 ≤ β ≤ ∞ covering all regimes of chaos and complexity in a quantum system, we show that transport properties of the one-dimensional Anderson model of finite size can be expressed in terms of this parameter. Specifically, we demonstrate a strictly linear… (More)

- G L Celardo, F M Izrailev, V G Zelevinsky, G P Berman
- Physical review. E, Statistical, nonlinear, and…
- 2007

Statistical properties of cross sections are studied for an open system of interacting fermions. The description is based on the effective non-Hermitian Hamiltonian that accounts for the existence of open decay channels preserving the unitarity of the scattering matrix. The intrinsic interaction is modeled by the two-body random ensemble of variable… (More)

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