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author = "GRASSO, M"
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Found 45 documents, displaying page 1 of 5

Systèmes à N fermions corrélés. Les modèles de champ moyen pour la physique des noyaux et d'autres systèmes à N corps

Author(s) : Grasso, M.
Description : Ce mémoire est une synthèse, sous forme de sélection d'articles, des travaux développés depuis ma soutenance de thèse en 2001. De nombreuses lignes de recherche se sont dégagées dans les années qui ont suivi ma thèse et mes activités scientifiques se sont développées en suivant différentes direction...
Repository : HAL - Hyper Article on Line
Language(s) : French

Extension of random-phase approximation preserving energy weighted sum rules: an application to a 3-level Lipkin model

Author(s) : Grasso, M. , Catara, F.
Description : A limitation common to all extensions of random-phase approximation including only particle-hole configurations is that they violate to some extent the energy weighted sum rules. Considering one such extension, the improved RPA (IRPA), already used to study the electronic properties of metallic cl...
Repository : arXiv
Language(s) : Undetermined

Acceptance of a speech interface for biomedical data collection.

Author(s) : Grasso, M. A. , Ebert, D. , Finin, T.
Description : Speech interfaces have the potential to address the data entry bottleneck of many applications is the field of medical informatics. An experimental study evaluated the effect of perceptual structure on a multimodal speech interface for the collection of histopathology data. A perceptually structured...
Repository : Europe PubMed Central
Language(s) : English

Parotid metastasis from renal cell carcinoma: a case report and review of the literature

Author(s) : Spreafico, R , Nicoletti, G , Ferrario, F , Scanziani, R , Grasso, M
Description : Renal cell carcinoma metastasis to the parotid gland after tumour nephrectomy is extremely rare. Herewith a review of the literature on this topic is discussed and a case report is presented of a 69-year-old man affected by parotid localization of renal clear cell carcinoma with neck lymph node meta...
Repository : Europe PubMed Central
Language(s) : English

P21 - Treatment with Glucocorticoids and Fragility Fractures

Author(s) : Gioia, M. , Grasso, M. , Gimigliano, F. , Iolascon, G.
Description : Glucocorticoids, taken chronically at certain dosages (5mg/day of prednisone >3 months), interfere with bone metabolism (both the quality and quantity), making bone more fragile and increasing the risk of fractures. The osteopenic effect is most rapid during the first 6–12 months of treatment, espec...
Repository : Europe PubMed Central
Language(s) : English

Lack of association between macrocytosis and multiple sclerosis.

Author(s) : Grasso, M G , Colleluori, A , Millefiorini, E , Pozzilli, C
Description :
Repository : Europe PubMed Central
Language(s) : English

Temperature and finite-size effects in collective modes of superfluid Fermi gases

Author(s) : Grasso, M. , Khan, E. , Urban, M.
Description : We study the effects of superfluidity on the monopole and quadrupole collective excitations of a dilute ultra-cold Fermi gas with an attractive interatomic interaction. The system is treated fully microscopically within the Bogoliubov-de Gennes and quasiparticle random-phase approximation methods....
Repository : arXiv
Language(s) : Undetermined

Continuum HFB calculations with finite range pairing interactions

Author(s) : Grasso, M. , Van Giai, N. , Sandulescu, N.
Description : A new method of calculating pairing correlations in coordinate space with finite range interactions is presented. In the Hartree-Fock-Bogoliubov (HFB) approach the mean field part is derived from a Skyrme-type force whereas the pairing field is constructed with a Gogny force. An iterative scheme i...
Repository : arXiv
Language(s) : Undetermined

Extended RPA within a solvable 3 level model

Author(s) : Catara, F. , Grasso, M. , Sambataro, M.
Description : Working within an exactly solvable 3 level model, we discuss am extension of the Random Phase Approximation (RPA) based on a boson formalism. A boson Hamiltonian is defined via a mapping procedure and its expansion truncated at four-boson terms. RPA-type equations are then constructed and solved ...
Repository : arXiv
Language(s) : Undetermined

Continuum quasiparticle random phase approximation and the time dependent Hartree-Fock-Bogoliubov approach

Author(s) : Khan, E. , Sandulescu, N. , Grasso, M. , Van Giai, Nguyen
Description : Quadrupole excitations of neutron-rich nuclei are analyzed by using the linear response method in the Quasiparticle Random Phase Approximation (QRPA). The QRPA response is derived starting from the time-dependent Hartree-Fock-Bogoliubov (HFB) equations. The residual interaction between the quasipa...
Repository : arXiv
Language(s) : Undetermined
1 2 3 4 5 > >>

Found 45 documents, displaying page 1 of 5