123 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of PalermoIT7 papers
- Istituto Nazionale di Fisica Nucleare, Sezione di CataniaIT6 papers
- N. I. Lobachevsky State University of Nizhny NovgorodRU6 papers
- National Interuniversity Consortium for the Physical Sciences of MatterIT4 papers
- Istituto NanoscienzeIT1 paper
- Istituto Nazionale di Fisica Nucleare, Gruppo Collegato di Salerno1 paper
- Istituto Nazionale di Fisica Nucleare, Sezione di NapoliIT1 paper
- Material Physics CenterES1 paper
- National Enterprise for NanoScience and NanoTechnologyIT1 paper
- Newcastle UniversityGB1 paper
- Ri.MEDIT1 paper
- Scuola Normale SuperioreIT1 paper
7 papers
Symmetric Logarithmic Derivative of Fermionic Gaussian States
Angelo Carollo, Bernardo Spagnolo, Davide Valenti
In this article we derive a closed form expression for the symmetric logarithmic derivative of Fermionic Gaussian states. This provides a direct way of computing the quantum Fisher…
Haldane Model at finite temperature
Luca Leonforte, Davide Valenti, Bernardo Spagnolo +2
We consider the Haldane model, a 2D topological insulator whose phase is defined by the Chern number. We study its phases as temperature varies by means of the Uhlmann number, a fi…
Finite temperature geometric properties of the Kitaev honeycomb model
Francesco Bascone, Luca Leonforte, Bernardo Spagnolo +2
We study finite temperature topological phase transitions of the Kitaev's spin honeycomb model in the vortex-free sector with the use of the recently introduced mean Uhlmann curvat…
Uhlmann number in translational invariant systems
Luca Leonforte, Davide Valenti, Bernardo Spagnolo +1
We define the Uhlmann number as an extension of the Chern number, and we use this quantity to describe the topology of 2D translational invariant Fermionic systems at finite temper…
Josephson-based threshold detector for Lévy distributed fluctuations
Claudio Guarcello, Davide Valenti, Bernardo Spagnolo +2
We propose a threshold detector for Lévy distributed fluctuations based on a Josephson junction. The Lévy noise current added to a linearly ramped bias current results in clear cha…
The stabilizing effect of volatility in financial markets
Davide Valenti, Giorgio Fazio, Bernardo Spagnolo
In financial markets, greater volatility is usually considered synonym of greater risk and instability. However, large market downturns and upturns are often preceded by long perio…
Gene-based and semantic structure of the Gene Ontology as a complex network
Salvatore Miccichè
The last decade has seen the advent and consolidation of ontology based tools for the identification and biological interpretation of classes of genes, such as the Gene Ontology. T…