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Recent results on integrable electronic models
No full textWe review the approach of generalised permutaror to produce a class of integrable quantum Hamiltonians, as well as the technique of Sutherland species (SS) to map a subclass of it into solvable spinless fermions models. In particular, we apply the above scheme to construct integrable interacting electron Hamiltonians: first we review the extended Hubbard case, discussing both ground state and thermodynamics; then we pass to constrained fermion models, generating 56 integrable cases, among which both supersymmetric t-J model and infinite U Hubbard model are obtained, as well as other physically interesting cases, such as a particular t-V model. For the latter we describe how the complete spectrum can be gained by means of SS technique. Finally we speculate about possible applications to spin S model
L'anastomosi lifonodo-vena. un nuovo metodo sperimentale di decompresisone della ipertensione portale
No full textPhase diagram of imbalanced strongly interacting fermions on a one-dimensional optical lattice
No full textinfo:eu-repo/semantics/publishe
EXCHANGE TRANSFUSION FOR HEPATIC SUPPORT THERAPY: A CLINICAL STUDY OF VARIATIONS OF DEPURATIVE EFFICACY IN RELATION TO THE EXCHANGE RATE.
No full text
[Histological study of junction between the thoracic duct and the venous system in ascitogenic liver cirrhosis].
No full textThe authors present an histological study on the junction between the thoracic duct and the venous system in ascitogenic liver cirrhos
[Selective anterior vagotomy of the duodenum. Propositions, technics andexperimental results].
No full textPrevious studies have demonstrated that changes in endoduodenal pressure may
cause pancreatic alterations in biliary diseases. Anterior selective vagotomy of
the duodenum was devised to reduce duodenal motility. An experimental study
showed that such a surgical procedure is followed by a marked decrease in the
overall duodenal kinesis, with disappearance of the highest pressure peaks
Rational indications for sphincterotomy through intraoperative cholangiomanometry.
No full textThe loss of function of Oddi's sphincter due to sclerosis secondary to a
lithiasic or alithiasic phlogosis, is the only rational indication for
sphincterotomy. An operative test of the Oddi sphincter function is proposed,
based on an original manometric procedure. This method, employed on 567 patients
undergoing biliary surgery, allowed demonstration of a loss of function of Oddi's
sphincter in 53 patients (9.4%), in whom a sphincterotomy was performed
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