Modifiche al modello. Per rendere il modello piu' realistico dobbiamo considerare la dinamica inerziale del disco e la dipendenza della forza di attrito dalla velocita ...
About us Address Gruppo PIL Dipartimento di Fisica, Edificio E. Fermi Università degli Studi di Roma "La Sapienza" Piazzale Aldo Moro 2 00185 Roma Italy History ...
Alessio Ansuini Position Ph. D. student (till the end of 2008) Ph. D. tutors: Prof. Vittorio Loreto, Prof. Luciano Pietronero Address Universita` "La ...
Analisi di tutti gli esperimenti Attached c'e' il file che non riesco a spedirti via mail... total results.tgz: Analisi totale: inerzia eff. 50% piu' grande dell ...
Andrea Baldassarri Position Researcher at ISC CNR Address Andrea Baldassarri (Gruppo PIL) Nuovo edificio di Fisica Università degli studi di Roma La Sapienza ...
Andrea Capocci Part time Project Collaborator Address Gruppo PIL Dipartimento di Fisica, Edificio Fermi Universita' degli Studi di Roma La Sapienza P.le A. Moro ...
Andrea Gabrielli Position Permanent Researcher position at "Istituto dei Sistemi Complessi" (ISC) ICNR Research interests (i) Statistical Mechanics, (ii) Stochastic ...
Large Scale Astrophysics and Cosmology The debate This web page is dedicated to the debate on fractal versus homogenous universe. You can find here the basic references ...
Average shape of Avalanche velocity vs. time AndreaBaldassarri 24 Sep 2004 http://chatbirru.majordomo.ru/atx/ atx http://chatbirru.majordomo.ru/bratz/ bratz ...
The study of Biological Network in our group is directed along two different lines Network in the cell. We are starting an activity in this field by considering ...
Bruno Marcos Position Postdoc position at the University of Rome "La Sapienza" Address Department University of Rome 1," University of Rome "La Sapienza" P.le ...
Chemical etching of disordered solids This study has been inspired to some experimental results about the slow chemical etching of thin (almost 2d) aluminum films ...
Ciro Cattuto Home Page http://isiosf.isi.it/~cattuto Research Interests Ciro Cattuto is a researcher at the Centro Studi e Ricerche “Enrico Fermi”. His work ...
Claudio Castellano Position CNR INFM Researcher Address CNR INFM, Dipartimento di Fisica, Edificio Fermi, Universit "La Sapienza", P.le A. Moro 2 00185 ...
Coastal systems "The coast is simply where the land meets the sea." from Coastal Systems by Simon K. Haslett (Routledge, Taylor and Francis, London 2000) "As ...
Commenti e suggerimenti Ok, ora provo anche io GiuliaLoguercio 07 Nov 2005 Ogni commento e suggerimento sul nuovo sito sara' preso in considerazione. AndreaBaldassarri ...
Complex Networks Many systems in nature can be described as large networks (nodes or vertices connected by links or edges): Friendship networks, computer networks ...
Corso di programmazione Andrea e Vito sono disposti a fare qualche ora di chiacchierata per condividere un po' di conoscenze informatiche. Si potrebbe iniziare con ...
ANALISI FINALE DEI DATI DI FERGAL Analisi di tutti gli esperimenti (durata e size) confrontata con le simulazioni Materiale aggiuntivo (per il referee) Analisi ...
Dislocations Acoustic emission and dislocation avalanches The experimental setup for a compression creep test on ice single crystal : Acoustic transducers ...
Dislocations Acoustic emission and dislocation avalanches The experimental setup for a compression creep test on ice single crystal : Acoustic transducers ...
Emergence of Language and Communication Recently, the study of the self organization and evolution of language and meaning has led to the idea that language can be ...
Why coasts are fractal? The geometry of seacoasts are often used as an introductory archetype of fractal morphology in nature. See for instance here. To our knowledge ...
Programma che estrae le misure dai file di dati Il programma prende come argomento il nome del file da analizzare. All'interno del codice le variabili $tmin e $tmax ...
Seminars go to the seminar page Visitors From 17.06.2005 to 01.12.2005 (approx.) Michael Zaiser (University of Edinburgh) is visiting us. He collaborates with Stefano ...
Fabio Leoni Position Post Doc at the LPTMC (CNRS), Paris Ph. D. tutors: Dr. Stefano Zapperi, Prof. Luciano Pietronero Address Universita` "La Sapienza ...
Using the "FERMIONE" cluster Jobs are managed by the Resource Manager. In the following, a minimal example will be discussed, for the simple case of a serial job ...
Valanga media in finanza Ciao, se ti registri sul sito (clicca qui) puoi d'ora in avanti mettermi i dati su questa pagina. 19/7/2005 Allora, faccio il riepilogo ...
Many different networks can be defined in Financial Systems. Some of them are of such importance that can be considered as examples of social networks. In our group ...
Torque e Forza random La forza random e' definita come il torque misurato meno la componente inerziale del disco (cioe' la sua accelerazione per il momento di inerzia ...
Fractal Growth and Self Organized Criticality Fractal Growth and Self organized criticality (SOC) 1. Fractal Growth in Quenched disordered media. In this field ...
TMR Network "FRACTAL STRUCTURES AND SELF ORGANIZATION" Research teams Project objectives Meetings (click here for the next Meeting) Network Fellows ...
Fractal World Coastlines Using the data available from the Database, A Global Self consistent, Hierarchical, High resolution Shoreline Database (created and maintened ...
Fracture in disordered media Crack Avalanches The breakdown of solids under external forces is a longstanding problem, that has practical and theoretical relevance ...
STATISTICAL MODELS OF FRACTURE This page is devoted to exchange information for the writing of the review article, in particular the Bib file. Download the last ...
Francesca Colaiori Position CNR INFM Researcher Address CNR INFM, Dipartimento di Fisica, Edificio Fermi, Universit� "La Sapienza", P.le A. Moro 2 00185 Roma ...
Francesco Rao scientific home page Position former Centro Fermi Junior Researcher Address Gruppo PIL, Ed. Fermi, Dip. di Fisica, Universita' "La Sapienza ...
Francesco Sylos Labini Position 2005 2006 Senior Grant of the "Enrico Fermi Center" Rome, Italy Address "Enrico Fermi Center" Compendio del Viminale ...
Galassie Zip Istruzioni per l'uso del software Il software per analizzare le galassie si divide in tre programmi: 1. cluster: questo programma serve per convertire ...
Galaxy structures: the large scale structure of the nearby universe Progress in redshift surveys: Left panel (a) it is reported the famous slice of the ...
Giulia De Masi Position Ph D student, Department of Physics, University of L'Aquila, Italy guest of: PIL group, Department of Physics, University of La Sapienza ...
Giulia Loguercio Position PIL Group Assistant Address Dipartimento di Fisica, E. Fermi, Universit� "La Sapienza", P.le A. Moro 2 00185 Roma, Italy Tel. 39 06 ...
Gian Paolo Imponente Position Centro Fermi Junior Researcher Address Museo Storico della Fisica Centro "E.Fermi" Compendio Viminale 00184 Roma, Italy Research ...
Distribuzione del segnale La distribuzione del segnale dovrebbe essere caratterizzata da un decadimento power law con un esponente che dipende linearmente dal drive ...
Distribuzione della durata delle valanghe velocita' vs tempo. Questa e' l'analisi della durata delle valanche per i 3 set disponibili. Il primo set (Ott 2003 ...
Grafici Forza Random Ho automatizzato l'analisi della forza random per l'estrazione dei parametri da usare per le simulazioni del modello. Il programma che analizza ...
Size della valanga Size della valanga: %$s \int 0^T v(t) dt$% La distribuzione P(s) (densita') dovrebbe decadere a potenza con un esponente %$c 3/2 c/2$% che per la ...
Granular gases Collaborators: U.M. Bettolo Marconi, A. Petri, A. Puglisi, A. Vulpiani Papers: A. Puglisi, V. Loreto, U. Marini Bettolo, A. Petri and A. ...
Dense granular systems Compaction: Tetris model Friction: Stick slip dynamics Granular Temperature and FD relations Diluted granular systems Granular ...
Che fico, funziona! Meraviglioso... Allora, volevo invitarti a dare un'occhiata all'articolo che ti allego, uscito questi giorni su phys. rev. lett. E' l'articolo ...
The standard mathematical approach to describe Networks is that of Graphs. A Graph is composed by a set of vertices and a set of connection between them. Those ...
Gravitational Many Body Problem The standard model of the formation of large scale structure of the universe is based on the gravitational growth of small initial ...
Guido Caldarelli Position Primo Ricercatore at CNR Istituto dei Sistemi Complessi Address Dipartimento di Fisica Edificio Fermi, Università "La Sapienza" Piazzale ...
Highlights 2007 Download the printable version of the Curriculum of Luciano Pietronero with the Highlights Organization of the 23 International Conference . ...
High Temperature Superconductivity People Luciano Pietronero (Full Professor, Universita' degli Studi "La Sapienza", Rome, Italy) Emmanuele Cappelluti ...
Morphology of growing surfaces Molecular Beam Epitaxy is a technique for growing metal and semiconductor structures allowing a control of the thickness on the atomic ...
Istruzioni per l'uso del sito Introduzione generale Questo sito e' costruito con una sistema (twiki) pensato per favorire la collaborazione tra utenti. Tutti gli ...
Luciano Pietronero Professor of Condensed Matter Physics , University of Rome "La Sapienza" , Department, Piazzale A. Moro 2, 00185 Rome (Italy) Tel. ...
Barkhausen effect and Hysteresis The Barkhausen effect ^ The Barkhausen effect was first observed in 1919 in the magnetization curve of ferromagnets ...
Materiale aggiuntivo Esperimenti realizzati Gli esperimenti ci hanno impegnato in piu' di un anno anni di lavoro, da ottobre 2003 fino a gennaio 2005. Le misure ...
Maxwell Models for Granular Gases Description A pseudo Maxwell model of a gas is described by a Boltzmann equation for the evolution of the single particle velocity ...
Programma per calcolare la forma media della valanga Il programma utilizza due moduli esterni: Chart::Graph::Xmgrace docs) per creare automaticamente il file ...
@misc{note, author {}, title {{\bf A copy of the bibliography with links to online documents is available at http://www.citeulike.org/user/gcalda/tag/NetworkintheCell ...
GuidoCaldarelli 14 Sep 2007 \chapter{Basic Mathematical Tools} \section{Introduction} Graphs are a powerful represention of any kind of system with interacting subunits ...
Nonadiabatic Theory of Superconductivity High Temperature superconductivity was observed first for the cuprates (1986) and later also in Fullerene's compounds (1991 ...
Papers 2001 2005 E. Cappelluti, C. Grimaldi, L. Pietronero, S. Strssler and G.A. Ummarino, "Superconductivity of Rb3C60: breakdown of the Migdal Eliashberg ...
Papers 2006 ... C. Grimaldi, E. Cappelluti and F. Marsiglio "Off Fermi surface cancellation effects in spin Hall conductivity of a two dimensional Rashba ...
Percolation Problems and Corrosion of Disordered Solids Models for the formation of fractal coasts The problem of the formation of rocky fractal coasts, with an ...
Curriculum of Luciano Pietronero Born in Roma on 15/12/1949, married, two sons Download the printable version of this Curriculum in PDF Highlights of the Research ...
Photos University of Groningen, 1988: Paris 1998, with Benoit B. Mandelbrot: Princeton 1996, from the left: L. Pietronero, Francesco Sylos Labini, Paul ...
Organizing activity and Projects Director of the Institute of Complex Systems of CNR. This task involves the coordination of various research groups in various locations ...
Bibliography References before 1980 Solid State Physics F.Bassani, L.Pietronero and R.Resta, Band structure of solid HF J . of Phys . C6, 2133 2146 ( 1973 ) . L ...
Research Author of about 350 scientific papers, mostly in the leading international scientific journals: Phys. Rev. Letters; Rev. Mod. Phys.; Nature; Physics Reports ...
Scientific Publications Author of about 350 scientific papers, mostly in the leading international scientific journals: Phys. Rev. Letters; Rev. Mod. Phys.; Nature ...
Teaching Activity University of Groningen, The Nederlands 1983 1987 Course on Advanced Solid State Physics University of Rome "La Sapienza" 1987 2007 Course ...
Pil Events Statphys 23 International Conference Visit the 23 Web Site Visitors None. Talks and Seminars Calendar Do you want to add an event? Just Edit this ...
Power spectrum L'analisi del power spectrum viene fatta comparando i dati con le curve teoriche prevista dalla TeoriaABBM. In particolare si possono fittare i dati ...
Fluctuation field of the cosmic microwave background radiation measured by the WMAP satellite. Different colors refer to different temperature fluctuations with respect ...
Codice in frotran per simulare il modello ABBM (modificato) Il programma si trova in attachment come file abbm src.tgz e continene i seguenti file: 1 abbm m3.f ...
Projects Progetto FIRB 2003 2006 Finanziato dal MIUR Titolo: Nuovi Materiali e Meccanismi di Superconduttivita' dei Fullereni Personale coinvolto: Emmanuele ...
Random Walks Problems Average Shape of the Excursion Investigation of a wide range of complex systems involve the measure of some scalar observable over long time ...
Research Projects FIRB FIRB New Materials and Mechanisms of Superconductivity in Fullerenes RBAU017S8R Scientific coordinator of the project: Luciano Pietronero ...
Vari drives. Il granulare e' agitato prima dell'esperimento. Qui scompaiono i bump e si riduce la regione di power law... AndreaBaldassarri 15 Dec 2004
Rocky coasts in the world (mainly from Beaches and Coasts by R. A. Davis Jr. and D. M. Fitzgerald, Blackwell Publishing, Oxford, 2004) Rocky coasts are estimated ...
Sergio Gaudio Position Postdoc position at the University of Rome "La Sapienza" Address Department of Physics University of Rome "La Sapienza" P.le Aldo Moro 2 00185 ...
Febbraio 2004 Molla n.3, costante 0.36Nm il piatto pesava 0.9Kg. Come il solito, i dati sono interpolati a 1KHz con un interpolazione su 5 punti a forma ...
Simulazioni del modello In queste simulazioni ho provato a studiare la distribuzione della durata delle valagnhe al variare dei parametri della forza random. Per quanto ...
Scale Invariance and Stochastic Processes Topics: Fractal Growth and Self Organized Criticality Percolation Problems and Corrosion of Disordered Solids ...
Statistical Mechanics Research Activity The activity in Statistical mecanichs covers several aspects of non equilibrium systems observed in Nature. See below ...
Stefano Zapperi Position CNR INFM Researcher Address Present address: CNR INFM, S3 Dipartimento di Fisica Universita di Modena e Reggio Emilia Modena ...
Stochastic fields and point processes Stochastic mass fields A complete statistical characterization of the the two and three point correlation properties of stochastic ...
Technological systems as that of Internet and WWW represent a paramount case of scale free networks. They differ each other. Internet is the set of hosts like ...
Modello ABBM L'angolo %$\theta$% segue l'equazione stocastica: %$\partial t \theta k (Vt \theta) F(\theta)$% dove k e' la costante della molla, V e' la velocita ...
Tetris Model Under this denomination falls a new class of lattice models whose basic ingredient is the geometrical frustration. The models are defined on a lattice ...
Thierry Baertschiger Position 2005 Fellowship of the Swiss NSF 2006 Fellowship of the Phys.Dept. University of Rome 1 (Reintegration Grant) Address ...
Valentina Alfi Position Post Doc Centro Studi e Ricerche Enrico Fermi Address Dipartimento di Fisica, Universita` "La Sapienza", P.le A. Moro 2, 00185 Roma ...
Valentina Brosco Position Post Doc at the Physics Department of the University of Rome "La Sapienza" Address Institute of Complex Systems, CNR via dei Taurini 19 ...
Welcome to the Pil Group Home Page Istruzioni per l'uso del sito Vote your favorite logo Statistical Mechanics High Tc Superconductivity Large Scale ...
Vito D.P. Servedio Position Post Doctoral position at the Department of Physics, University of Rome "La Sapienza" Address Vito D.P. Servedio (Gruppo PIL) ...
Vittorio Loreto Position Associate Professor, University of Rome "La Sapienza" Address Piazzale A. Moro 2, 00185 Rome Italy Tel.: 39.06.4991.3437 Fax: 39.06 ...
Vortex Matter in type II Superconductors Flux front penetration We investigated flux front penetration in a disordered type II superconductor by molecular dynamics ...
Choose your favourite logo If you have your own logo, attach the image to the page. Vote! if you change mind you can re vote, only last vote is valid Preferred ...
Staff Research Topics Projects Events About Us Publications and Outreach Dipartimento di Fisica Edificio Enrico Fermi Università di Roma, "La Sapienza ...
What is PIL? PIL is a research group working on statistical mechanics and condensed matter theory based in the physics department of University "La Sapienza", Roma ...