Zobrazeno 1 - 10
of 136
pro vyhledávání: '"G, Vetri"'
Publikováno v:
Optics Communications. 112:67-70
We investigate on the properties of the P -representation of the density matrix of a two-mode e.m. field which simulates a quantum configuration in which the two field components have very peculiar properties concerning the phase-difference between t
Autor:
S, Bonventre, M, Frazzetta, M, Lucania, F, Frazzetta, A S, Sciortino, D, Sammartano, G, Vetri, G, Di Gesù
Publikováno v:
Il Giornale di chirurgia. 29(8-9)
The authors report their experience about the intraoperative manometry in the achalasia surgical treatment.We have considered 239 patients with achalasia observed from 1994 to 2006; only 79 continued the path diagnostic therapeutic and 31 underwent H
Autor:
G. Vetri, A. Vaglica
We analyze the time evolution of an initial spatial coherence for a two level atom whose internal degrees of freedom interact with a single mode of a cavity field. When the qubit-field subsystem is taken as an environment, the translational dynamics
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::160dac357517652dd1f952058a162fc7
Publikováno v:
Journal of Modern Optics. 37:1487-1494
The aim of this paper is to test directly the validity of Wick's theorem for a multimode boson field which is in a squeezed vacuum state. As in the thermal case the fulfilment of this requirement indicates an easy way for the calculus of any order mo
Publikováno v:
Optics Communications. 77:235-240
A theory for a nondegenerate parametric amplifier is developed in which we allow the signal and idler frequency separation to be eventually smaller than the cavity linewidth. The consequent interaction of these internal modes with the same bunch of e
Publikováno v:
Optics Communications. 74:333-338
This paper concerns with a degenerate parametric amplifier in a single-ended cavity, interacting with the external modes of an electromagnetic field. The quantum theory of damping and the Langevin approach are used to work out and solve the equations
Autor:
G. Vetri, A. Vaglica
Recently, it has been realized that nonlocal disentanglement may take a finite time as opposite to the asymptotic decay of local coherences. We find in this paper that a sudden irreversible death of entanglement takes place in a two atom optical Ster
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7ea9648455f2854f48a00cb40ef26187
http://hdl.handle.net/10447/3563
http://hdl.handle.net/10447/3563
Publikováno v:
Il Giornale di chirurgia. 27(10)
The authors present a case of gallstone intermittent ileus caused by the passage of a big gallstone (about 4 cm in diameter) in the intestinal lumen, through a cholecystoduodenal fistula. They emphasize the peculiarity of the case for the characteris
Autor:
M, Frazzetta, D, Raimondo, G, Furgiuele, D, Cabibi, F, Romito, P, Passariello, F, Frazzetta, S, Bonventre, G, Vetri, G, Di Gesù
The authors signal a case of gastric polypoid signet ring cell carcinoma, of particular interest for its rarity like show from the review of the literature, which is the first to have been described after Tabaru's citation.The study has been carried
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid_dedup__::f0a3bfd33b88f93e5d73720662d26348
http://hdl.handle.net/10447/414872
http://hdl.handle.net/10447/414872
Autor:
S, Bonventre, B, Di Trapani, G, Furgiuele, Paola, Passariello, A, Tavormina, G, Vetri, M, Todaro, E, Mannino, D, Raimondo, M, Frazzetta, G, Di Gesù
Publikováno v:
Il Giornale di chirurgia. 26(10)
The Authors, on the basis of a case of giant spleen cyst with positive tumoral markers, analyse some epidemiological and clinical aspects related to splenic non parasitic cysts. They affirm the priority of the conservative surgery, whenever possible,