Annual Report A.A. 2006/2007 ACADEMIC YEAR 2006-2007 Scientific Publications in 2007
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Annual Report UNIVERSITÀ DELLA CALABRIA a.a. 2006/2007 Dipartimento di FISICA ACADEMIC YEAR 2006-2007 Scientific publications in 2007 Annual Report UNIVERSITÀ DELLA CALABRIA a.a. 2006/2007 Dipartimento di FISICA Table of Contents Introdution ...................................................................................................................................................5 GENERAL INFORMATION Departmental Administration..............................................................................................................9 Research Permanent Staff .................................................................................................................10 Post-Doctoral Research Fellows, Phd Students..................................................................................10 Technical And Administrative Staff ..................................................................................................11 Department Phonebook.....................................................................................................................12 Seminars ……………………………………………………………………………………….......................13 Laurea Thesis’..................................................................................................................................17 1st level degree thesis’......................................................................................................................17 2nd level degree thesis’ ………………………………………………………………………………………... 19 Phd thesis’…………………………………………………………………………………………….. ………… 19 RESEARCH ACTIVITY 1 ASTROPHYSICS...........................................................................................................................21 1.1 MAGNETOHYDRODYNAMIC TURBULENCE AND KINETIC EFFECTS IN THE HELIOSPHERE………………………………………………………………………………… 22 1.2 TRANSPORT PROCESSES AND PARTICLE ACCELERATION IN THE HELIOSPHERE…….. 24 1.3 MAGNETOTAIL QUASI-NEUTRAL SHEET EQUILIBRIUM MODELS………………………….26 1.4 LABORATORY PLASMAS …………………………………………………………………………..26 Publications .....................................................................................................................................27 2 THEORETICAL PARTICLE PHYSICS AND APPLICATIONS ……………………………………32 2.1 QCD IN THE REGGE LIMIT AND HADRON PHENOMENOLOGY………………………………… 33 2.1.1 QCD in the Regge limit ....................................................................................................................33 2.1.2 Hadron phenomenology....................................................................................................................33 2.2 LATTICE GAUGE THEORIES .......................................................................................................33 2.3 FIELD THEORY OF CORRELATED SYSTEMS............................................................................34 2.3.1 Boundary field theory of SQUID devices ..........................................................................................34 2.3.2 One-dimensional networks of Josephson junctions…………………………………………………….34 2.4 TRANSPORT IN MANY-ELECTRON CORRELATED SYSTEMS ………………………………. 34 2.4.1 AC Josephson effect in a normal electronic chain connected to two superconductors ………………. 34 2.4.2 Conduction across interferometric rings with the Path Integral formalism ……………………………… 35 2.5 PHYSICS OF KAON-NUCLEON INTERACTIONS ……………………………………………….. 35 2.6 NON-LINEAR WAVE EQUATIONS FOR FLUIDS IN POROUS MATERIALS…………………..35 Publications ……………………………………………………………………………………………36 3 EXPERIMENTAL PARTICLE PHYSICS....................................................................................39 3.1 ZEUS EXPERIMENT AT HERA E-P COLLIDER (HAMBURG-GERMANY) ...............................39 3.2 ATLAS EXPERIMENT AT LHC P-P COLLIDER (GENEVA-SWITZERLAND) ...........................40 3.3 DRC (CERN-SWITZERLAND) ......................................................................................................42 Publications .....................................................................................................................................43 4 SURFACE ELECTRON SPECTROSCOPY (SPES) ....................................................................46 4.1 CHEMISORPTION ON METAL SURFACES AND THEIR ELECTRONIC PROPERTIES………. 47 4.1.1 Water interaction with Na quantum well states………………………………………………………. 47 4.1.2 Alkali coadsorption with CO ……………………………………………………………….…………. 47 2 Annual Report UNIVERSITÀ DELLA CALABRIA a.a. 2006/2007 Dipartimento di FISICA 4.2 SPECTROSCOPIC AND MORPHOLOGICAL STUDIES ON CARBON- AND METAL-OXIDE NANOSTRUCURES ……………………………………………...……..…………………………….…47 4.2.1 Photoemission investigation on nanostructured TiO2 growth by cluster assembling …………………… 47 4.2.2 Electrical and spectroscopical characterization of carbon/titania nanocomposites ………………………47 4.2.3 Electronic and structural characterization of carbon nanotubes ………………………………………….48 4.3 NEW MATERIALS FOR ENHANCED HYDROGEN ADSORPTION: STRUCTURAL (EF-TEM 4.4 AND SEM) AND THERMODYNAMICAL (PCT) CHARACTERIZATION………………………… 48 4.3.1 New nanostructured materials for hydrogen storage ………………………………………………………………48 4.4 SELECTIVE TRANSPORT ACROSS MEMBRANES STUDIED BY HIGH RESOLUTION MICROSCOPIES ………………………………………………………………….. 48 4.4.1 Electron microscopy studies of biological membranes by high resolution microscopies …… …………48 Publications …………………………………………………………………………………………….. 50 5 SOLID STATE PHYSICS: SURFACES AND NANOMATERIALS……………………………………...53 5.1. SCIENCE IN CARBON NANOTUBES AND NANOSTRUCTURES……………………………………..... 54 5.2 NON ADIABATIC RESPONSE OF A MANY ELECTRON SYSTEM TO A SLOWLY VARYING, SEMICLASSICAL PERTURBATION ……………………………………………………….....55 5.3 ION FORMATION IN SPUTTERING…………………………………………………………………..55 5.4 ION INDUCED COLLECTIVE EXCITATIONS IN SOLIDS …………………………………………55 5.5 MANY BODY EXCITATIONS IN CARBON NANOTUBES ……………………………………………..56 5.6 QUANTUM COHERENCE AND CORRELATION……………………………………………………56 5.6.1 Quantum correlations and entanglement in many-body systems ……………………………………….56 5.6.2 Quantum communication in spin systems ……………………………………………………………… 56 5.7 ION INTERACTION WITH NANOSTRUCTURES…………………………………………………………57 5.8 ION INTERACTION WITH SOLIDS …………………………………………..…………………….. 57 5.9 MULTIMEDIAL EDUCATION ………………………………………………………………………. 58 Publications …………………………………………………………………………………..…. 59 6 MOLECULAR BIOPHYSICS………………………………………………………………………. 65 6.1 SELF ASSEMBLED LIPID STRUCTURES and INTERACTIONS at the LIPID/PROTEIN INTERFACE ……………………………………………………………………….. 65 6.1.1 Phase behaviour of DPPC/Lyso-PPC mixtures by spin-label ESR and spectrophotometry …………………………………………………………………………………….. 65 6.1.2 Backbone dynamics of alamethicin in lipid membranes: spin-echo EPR of TOAC spin labels………. 65 6.1.3 Spectroscopic and calorimetric studies of HSA interacting with PEG:2000-DPPE/DPPC membranes ………………………………………………………………………………………. …… 66 6.2 THERMOSTABILITY, AGGREGATION and MOLECULAR DYNAMIC SIMULATION of PROTEINS ………………………………………………………………………………………… 66 6.2.1 Effects of Cu(II) and Zn(II) on beta-lactoglobulin A thermal denaturation and Aggregation …………………………………………………………………………………………… 66 6.2.2 Structure, dynamics and function of cupredoxins: insights from classical molecular dynamics …………………………………………………………........................................ 67 6.2.3 The role of the α-helix on the thermal unfolding pathway and thermodynamic stability of azurin…………………………………………………………………. ……………………67 Publications……………………………………………………………………………………………. 68 7 PHYSICS AND APPLICATIONS OF THE SOFT MATTER………………………………….....70 7.1 Materials, in close collaboration with chemist groups, both from university of Calabria and from outside : new liquid crystals, colloidal systems, nanoparticles and liquid crystals, polymers, photopolymers, blending of liquid crystals and polymers…..characterisation (dielectric, raman, ellipsometry, electron microscopy…) ………………..................................................................... ….71 7.2 Surfaces and interfaces: characterisation, interaction lc-surfaces, polymer surfaces, anchoring, effects on eelctrooptics and photonics ……………………………………………………………… 72 7.3 Confined systems, nanosciences, Photonics: lasing , grating, memories, holography, polycrips, Solitons ……………………………………………………………………………………………… 73 7.4 Applications: sensors, depolarizing systems, EHD, LCD, CD ……………………………………. 76 7.5 Nano-imaging of biological and biocompatible materials and Surface Force Apparatus (SFA)……. 76 Publications ……………………………………………………………………………………78 3 Annual Report UNIVERSITÀ DELLA CALABRIA a.a. 2006/2007 Dipartimento di FISICA 8 BIOMEDICAL PHYSICS ……………………………………………………………………………. 84 8.1 MODIFICATIONS INDUCED BY IRRADIATION IN BIOMEDICAL MATERIALS ……………. 84 8.2 TRANSFER TO MEDICINE OF THEORETICAL MODELS AND METHODS ……………………85 8.2.1 Application of algebraic methods to biomedical data ………………………………………………….85 8.2.2 Risk analysis and management of health systems …………………………………………………….. 85 Pubblications ………………………………………………………………………………………… 87 9 GEOPHYSICS ………………………………………………………………………………………. 88 9.1 Seismotectonics ………………………………………………………………………………………. 88 9.2 Statistical Geophysics ………………………………………………………………………………… 89 9.3 Applied Geophysics …………………………………………………………………………………... 89 9.4 Environmental geophysics …………………………………………………………………………..…89 9.5 Geodesy ………………………………………………………………………………………………. 89 9.6 Dissemination and diffusion of scientific culture ……………………………………………………...90 Pubblications ………………………………………………………………………………………..… 91 .. 4 Annual Report UNIVERSITÀ DELLA CALABRIA a.a. 2006/2007 Dipartimento di FISICA Introduzione Dal momento che lal’esercizio