IAEA-TECDOC-915 International Centre for Theoretical Physics, Trieste Scientific activities 1995in INTERNATIONAL ATOMIC ENERGY AGENCY The IAEA does not normally maintain stocks of reports in this series. However, microfiche copies of these reports can be obtained from INIS Clearinghouse International Atomic Energy Agency Wagramerstrasse 5 P.O. Box 100 A-1400 Vienna, Austria Orders shoul accompaniee db prepaymeny db f Austriao t n Schillings 100,- for e fore chequ a th f m IAEth f mo n i o n i r Aeo microfiche service coupons which may be ordered separately from the INIS Clearinghouse. INTERNATIONAL CENTRE FOR THEORETICAL PHYSICS, TRIESTE: SCIENTIFIC ACTIVITIES IN 1995 IAEA, VIENNA, 1996 IAEA-TECDOC-915 ISSN 1011-4289 ©IAEA, 1996 Printe IAEe th AustriAn i y d b a October 1996 CONTENTS Par I t Introduction..........................................................................................................1 . Statistical data: Table 1 - 1995 vs. 1994...........................................................................3 Table 2 - Participation by geographical area............................................... 3 Tabl - Visitore3 person-monthd an s country b s y .......................................4 Tabl - Visite4 scientifiy b s c field..............................................................? TableS- Visits by type of activity............................................................8 Tabl - Visite 6 activity........................................................................y b s 9 Part II The scientific programme Physics Condensedof Matter: Research in physics of condensed matter................................................... 1 3 Seventh International worksho computationan po l condensed matter physics: Total energ forcd yan e methods..................................................4 .1 Theoretica experimentad an l l worksho physice th n f po semiconductoso r microstructures and Adriatico research conference on lower dimensionality semiconductor systems, held in Campinas, Brazil....................................... 1 7 ThirworkshopF dES : Networ quantun ko m fluid solidd san s "Excitationd san spin-polarised systems"........................................................................... 1 9 College on computational physics...............................................................21 Workshop on computational methods in material science and engineering.....23 Research worksho condensen po d matter physics.......................................25 Adriatico Research Conference on Physics of sliding friction......................30 Miniworkshop on "Quantum incoherence and quantum coherence in strongly correlated systems"...................................................................2 .3 Adriatico Research Conference on Chaos in atoms and molecules................. 34 African regional worksho parallen po l processin s applicationsit d gan , held in Yaounde, Cameroon.........................................................................36 Miniworkshop on Josephson junction arrays............................................... 38 Worksho nonlinearityn po : Nois nonlinean ei r systems................................40 Adriatico Research Conferenc contemporarn eo y concept condensen si d matter physics, hel Gothenburgn di , Sweden..............................................41 Adriatico Research Conference on Randomness, stochasticity and noise...... 43 Adriatico Research Conference on Information theory in classical and quantum physics........................................................................................ 45 Workshop on physics and chemistry of transitional metal oxides (including high-temperature superconductors), hel Bangaloren di , India......................46 Physics Highof Intermediate and Energies: Research in physics of high and intermediate energies and astrophysics......48 Researc plasmn hi a physics......................................................................0 .5 Spring schoo workshod an l strinn po g theory, gauge theor quantud yan m gravity..................................................................................................... 50 Conference on recent developments in statistical mechanics and quantum field theory.................................................................................52 Conference on perspectives in nuclear physics at intermediate energies..... 53 Trieste conference on S-duality and mirror symmetry...............................56 Summer schoo hign o l h energy physic cosmology...............................d san 7 .5 Fourth schoo non-acceleraton o l r particle astrophysics.............................9 .5 Autumn colleg plasmn eo a physics.............................................................1 .6 International topical workshop on plasma physics: Coherent processes in non-linear media...................................................................................2 .6 Adriatico Research Conference on Trends in collider spin physics...............64 Mathematics: Research in mathematics...........................................................................67 Conference on topological and geometrical problems related to quantum field theory................................................................................ .............69 Worksho dynamican po l systems................................................................70 Conference on partial differential equations and applications to geometry.................................................................................................4 .7 Worksho generan po l theor f partiayo l differential equationd san microlocal analysis...................................................................................75 Physics and Energy: Worksho materialn po s scienc physicd ean f non-conventionaso l energy sources....................................................................................................7 .7 Physics of the Environment: Aeronom Radiopropagatiod yan n Laboratory...............................................81 Structure and non-linear dynamics of the Earth..........................................83 Climat Globad ean l Change Group...............................................................6 .9 International symposiu African mo n drought...............................................97 Colleg soin o e l physics............................................................................1 .10 Workshop on Mediterranean Sea — Circulation, strait exchange and dense water formation processes (dedicated to Antonio Michelato).................... 103 Third workshop on non-linear dynamics and earthquake prediction............ 104 Worksho dynamicn po statisticd san f seculao s r climate variations..........7 .10 Physics of the Living State: Seminar lifn si e sciences........................................................................0 .11 First Antonio Borsellino colleg neurophysicsn eo , including Symposium on dynamic properties of receptive fields and plasticity of processing systems.................................................................................................. 110 Worksho quantitativn po e biophysic moleculae th t sa macromoleculad an r r scales .................................................................................................... 113 Adriatico Research Conference on Theoretical models in biological systems.................................................................................................. 114 Trieste conferenc chemican eo l evolutio : Physic norigiIV e d th f nan so evolution of life, "Cyril Ponnamperuma Memorial".................................. 115 Second schoo radiophysicn i l s (diagnostic radiology)...............................6 11 . Applied physics: Microprocessor Laboratory..................................................................... 119 Laboratory for Lasers and Optical Fibres................................................. 121 LAMP Seminars......................................................................................3 .12 High Temperature Superconductivity Laboratory...................................... 123 Tempus meeting on fibre optics................................................................ 126 Conference on ultrafast transmission systems in optical fibres................ 126 Second winter college on optics............................................................... 128 African regional college on microprocessor-based real-time control of equipmen Principle— t applicationd san physicsn si , hel Capn di e Coast, Ghana...................................................................................................... 130 IX International symposiu Ultrafasn mo t Processe Spectroscopn i s y "UPS '95"........................................................................................................131 Third school on the use of synchrotron radiation in science and technology: "John Fuggle Memorial"........................................................................9 .13 Worksho optican po l method r environmentasfo l monitorine th f go atmosphere............................................................................................. 140 ICTP-UN conferenc optican eo l physic spacn si e scienc technology....d ean 3 14 . Miscellaneous: Digital communications and computer networking..................................... 146 Other research........................................................................................ 147