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- R A Broglia, G Tiana, S Pasquali, H E Roman, E Vigezzi
- Proceedings of the National Academy of Sciences…
- 1998

Protein aggregation is studied by following the simultaneous folding of two designed identical 20-letter amino acid chains within the framework of a lattice model and using Monte Carlo simulations. It is found that protein aggregation is determined by elementary structures (partially folded intermediates) controlled by local contacts among some of the most… (More)

The stability of model proteins with designed sequences is assessed in terms of the number of sequences (obtained from the designed sequence through mutations), which fold into the " native " conformation. By a complete enu-meration of the total number of sequences obtained by introducing up to 4 point mutations and up to 7 composition–conserving mutations… (More)

- G Potel, A Idini, F Barranco, E Vigezzi, R A Broglia
- Reports on progress in physics. Physical Society
- 2013

The second-order distorted wave Born approximation implementation of two-particle transfer direct reactions which includes simultaneous and successive transfer, properly corrected by non-orthogonality effects, is tested with the help of controlled nuclear structure and reaction inputs against data spanning the whole mass table, and showed to constitute a… (More)

- G Potel, F Barranco, E Vigezzi, R A Broglia
- Physical review letters
- 2010

With the help of a unified nuclear-structure-direct-reaction theory we analyze the reaction ¹H(¹¹Li,⁹Li)³H. The two halo neutrons are correlated through the bare and the induced (medium polarization) pairing interaction. By considering all dominant reaction channels leading to the population of the 1/2⁻ (2.69 MeV) first excited state of ⁹Li, namely,… (More)

- M Matsuo, K Yoshida, T Døssing, E Vigezzi, R A Broglia
- 1998

The damping of collective rotational motion is studied microscopically, making use of shell model calculations based on the cranked Nilsson deformed mean-field and on residual two-body interactions, and focusing on the shape of the gamma-gamma correlation spectra and on its systematic behavior. It is shown that the spectral shape is directly related to the… (More)

- G Potel, B F Bayman, +4 authors Broglia
- 2009

Arguably, the greatest achievement of many–body physics in the fifties was that of developing the tools for a complete description and a thorough understanding of superconductivity in metals. At the basis of it one finds BCS theory and the Josephson effect. The first recognized the central role played by the appearance of a macroscopic coherent field… (More)

- S Leoni, G Benzoni, +26 authors A Zucchiatti
- Physical review letters
- 2008

The gamma decay associated with the warm rotation of the superdeformed nuclei 151Tb and 196Pb has been measured with the EUROBALL IV array. Several independent quantities provide a stringent test of the population and decay dynamics in the superdeformed well. A Monte Carlo simulation of the gamma decay based on microscopic calculations gives remarkable… (More)

Nuclear β decay in magic nuclei is investigated, taking into account the coupling between particles and collective vibrations, on top of self-consistent random phase approximation calculations based on Skyrme density functionals. The low-lying Gamow-Teller strength is shifted downwards and at times becomes fragmented; as a consequence, the β-decay… (More)

We develop a consistent formalism in order to explore the effects of density and spin fluctuations on the quasi-particle properties and on the pairing critical temperature of a trapped Fermi gas on the attractive side of a Feshbach resonance. We first analyze the quasi-particle properties of a gas due to interactions far from resonance (effective mass and… (More)

The electron–phonon coupling in fullerene C 28 has been calculated from first principles. The value of the associated coupling constant λ/N (0) is found to be a factor three larger than that associated with C 60. Assuming similar values of the density of levels at the Fermi surface N(0) and of the Coulomb pseudopotential µ * for C 28 –based solids as those… (More)