/Kfic.»L--«y\ IIIIIIIIWIII1 ; ^'^ IL9706217 i Ben-Gurion University of the Negev THE ISRAEL PHYSICAL SOCIETY 1997 ANNUAL MEETING PROGRAM AND ABSTRACTS BULLETIN OF THE ISRAEL PHYSICAL SOCIETY vol.43, 1997 Token of Gratitude On behalf of the Israel Physical Society and the Organizing Committee I gratefully acknowledge the financial support ex- tended to us in preparing the 43rd Annual Meeting of the IPS. Special thanks are due to: Kreitman School of Advanced Graduate Studies at Ben-Gurion University Ministry of Science Israel Discount Bank Silicon Graphics Computer Systems Ltd. Digital Equipment Corporation Ltd. IBM Israel Ltd. together with CCC Engineering Equipment Ltd. I would like to express my gratitude also to Ben-Gurion Uni- versity of the Negev, Tel-Aviv University, Technion - Israel Institute of Technology, and Weizmann Institute of Science. Prof. A. Moalem Chairman of the Organizing Committee Council of the Israel Physics Society Prof. Shlomo Havlin; Bar-Ilan University - President Prof. Amnon Moalem; Ben-Gurion University - Vice-President Prof. Haim (Vivian) Halpern; Bar-Ilan University - Secretary Prof. Victor Fleurov; Tel-Aviv University - Treasurer Dr. Dov Falik; Rafael Prof. Joshua Felsteiner; Technion Prof. Yuval Gefen; Weizmann Institute Dr. Aryeh Levine; Negev Nuclear Research Center, Dimona Dr. Arie Raizman; Soreq Nuclear Research Center, Yavne Prof. Arie Zigler; Hebrew University Corporate Members Bar-Ilan University Ben-Gurion University Hebrew University Israel Atomic Energy Commission Technion Tel-Aviv University Weizmann Institute Organizing Committee A. Moalem; Ben-Gurion University - Chairman S.-I. Ben-Abraham; Ben-Gurion University R. Brustein; Ben-Gurion University D. Eichler; Ben-Gurion University A. Eviatar; Tel-Aviv University M. Feingold; Ben-Gurion University M. Gedalin; Ben-Gurion University D. Gill; Ben-Gurion University B. Horovitz; Ben-Gurion University Y. Meir; Ben-Gurion University E. Meron; Ben-Gurion University R. Moreh; Ben-Gurion University R. Shuker; Ben-Gurion University 43rd Meeting of the Israel Physical Society Ben-Gurion University of the Negev 17 April 1997 08:30-09:30 Aud. 06 Registration and coffee lobby Bid. 26 09:30-09:50 Aud. 06 Opening remarks: Bid. 26 Prof. A. Braverman, President of BGU Mr. Z. Hammer, Minister of Education Prof. S. Havlin, President of IPS: Presentation of the IPS award for outstanding graduate research 09:50-10:40 Aud. 06 Plenary Lecture: Bid. 26 Prof. J.H. Taylor, Princeton University Clocking pulsars into twenty-first century 10:40-11:00 Aud. 06 Coffee break lobby Bid. 26 11:00-13:00 Bid. 34 Parallel sessions: Astrophysics and cosmology Physics in biology Condensed matter Physics in industry Lasers and quantum optics Plasma and space physics Nuclear physics Statistical physics Particles and fields and nonlinear dynamics 13:00-14:00 Lunch 13:30-14:30 Bid. 34 Poster session* 14:00-14:30 Aud. 06 IPS business meeting Bid. 26 14:30-16:30 Bid. 34 Parallel sessions: Condensed matter Physics in industry Lasers and quantum optics Physics in medicine Nuclear physics Plasma and space physics Particles and fields Statistical physics and nonlinear dynamics 16:30-17:00 Sonnenfeldt Coffee break Aud. lobby Bid. 73 17:00-17:40 Sonnenfeldt Plenary lecture: Aud. Prof. R. Hulet, Rice University Bid. 73 Bose-Einstein condensation of Lithium • it's not just another condensate ! 17:40-18:20 Sonnenfeldt Plenary lecture: Aud. Prof. G. Veneziano. CERN Bid. 73 String theory and its heretic cosmology 18:20-19:00 Sonnenfeldt Farewell party Aud. lobby Bid. 73 An exhibit of scientific equipment and computers will take place on the third floor of Bid. 34 * Posters can be mounted beginning 08:30. Program Plenary Lectures Bid. 26, Aud. 06 Morning session Chair: A. Moalem; Ben-Gurion University • 09:50 - 10:40 J.H. Taylor; Princeton University Clocking Pulsars Into the Twenty-First Century Bid. 73, Sonnenfeldt Aud. Afternoon session Chair: Y. Aharonov; Tel-Aviv University • 17:00 - 17:40 R.G. Hulet; Rice University Bose-Einstein Condensation of Li - It's not Just Another Condensate ! • 17:40 - 18:20 G. Veneziano; CERN String Theory and its Heretic Cosmology Astrophysics and Cosmology Bid. 34, Room 207 Morning session Chair: S. Nussinov; Tel-Aviv University • 11:00 - 11:30 R. Brustein; Ben-Gurion University (Invited) Detection of Relic Gravitational Waves from String Cosmology • 11:30 — 12:00 V. Usov; Weizmann Institute (Invited) Radiation From Strange Stars • 12:00 - 12:30 G. Shaviv; Technion (Invited) Coulomb Scattering and the Solar Neutrino Problems • 12:30 - 12:45 E. Griv; Ben-Gurion University Central NGC 2146 - a Firehose Type Instability? • 12:45 - 13:00 L.A. Pusti' nik; Sea of Galilee Observatory, Jordan Valley Academic College On Stability of Accretion Models and "Hidden" Assumptions Condensed Matter Physics Bid. 34, Room 316 Morning session Chair: Z. Ovadyahu; Hebrew University • 11:00 - 11:30 Y. Imry; Weizmann Institute (Invited) Orbital Paramagnetism ofAndreev Electrons • 11:30— 12:00 U. Sivan; Technion (Invited) The Coulomb Blockade - Revisited • 12.00 - 12:30 M. Reznikov; Weizmann Institute (Invited) Determination of Quasi Particle Charge in the Fractional Quantum Hall Regime via Quantum Shot Noise Measurements • 12:30 - 13:00 E. Shimshoni; Oranim - Haifa University (Invited) Duality Near Quantum Hall Liquid-to-Insulator Transitions Afternoon session Chair: G. Jung; Ben-Gurion University • 14:30 - 15:00 Y. Yeshurun; Bar-Ilan University (Invited) Local Magnetic Measurements in High-Temperature Superconductors • 15:00 - 15:30 S. Goren; Ben-Gurion University (Invited) Enhancement of Nuclear Quadrupole Resonance by Vortices in a Superconductor • 15:30 - 16:00 A. Gerber; Tel-Aviv University (Invited) Giant Magnetoresistance in Granular Ferromagnets • 16:00 - 16:15 Y. Levi; Hebrew University Scanning Tunneling Spectroscopy oflnhomogeneous Superconductors • 16:15 - 16:30 Y. Dagan; Tel-Aviv University Can We Explain C Axis Tunneling Into YBCO by the Marginal Fermi Liquid Theory ? Lasers and Quantum Optics Bid. 34, Room 305 Morning session Chair: R. Shuker; Ben-Gurion University • 11:00- 11:30 R.G. Hulet; Rice University (Invited) Atomic Interactions at the Nano-Kelvin Scale and Their Role in Bose-Einstein Con- densations • 11:30 - 12:00 M. Rosenbluh; Bar-Ilan University (Invited) Short Optical Pulse Propagation and Pulse Breakup in Resonant Media • 12:00 - 12:30 Y. Prior; Weizmann Institute (Invited) COIN - Coherence Observation by Interference Noise • 12:30 - 13:00 A. Zigler; Hebrew University (Invited) Optical Guiding of High Intensity Laser Pulse in a Plasma Density Channel • 13:00 - 13:15 M. Lando; Rotem Industries Progress of the Solar Pumped Lasers Program Afternoon session Chair: M. Rokny; Hebrew University • 14:30 - 15:00 A. Gover; Tel-Aviv University (Invited) First Losing of the Israeli Electrostatic Accelerator FEL • 15:00 - 15:30 P. Shuker; University of Colorado (Invited) Energy Pooling Cross-Section in Rubidium • 15:30 - 16:00 Y. Band; Ben-Gurion University (Invited) Dynamics of Short-Pulse Propagation in Dispersive Media • 16:00 - 16:301. Averbukh; Weizmann Institute (Invited) Quantum Wavepacket Technology Nuclear Physics Bid. 34, Room 203 Morning session Chair: D. Ashery; Tel-Aviv University • 11:00 — 11:301. Tserruya; Weizmann Institute (Invited) Results From the CERES Experiment: Probing Hot and Dense Nuclear Matter • 11:30 — 12:00 E. Friedman; Hebrew University (Invited) The ^Hefir*, TC~ ) Reaction as Evidence for a Dibaryon? • 12:00 - 12:30 S. MayTal-Beck; Tel-Aviv University (Invited) The Search for the Pentaquark • 12:30 - 13:00 A. Uziel; Tel-Aviv University and Weizmann Institute Transverse Momentum ofD Mesons - a Thermometer of the Quark - Hadron Tran- sition Afternoon session Chair: Z. Vager; Weizmann Institute • 14:30 - 15:00 S. Shlomo; Cyclotron Institute, Texas A&M University (Invited) Nuclear Matter lncompressibility Coefficient • 15:00 - 15:20 E. Gedalin; Ben-Gurion University xPT Calculations for ir° Production in pp Collissions • 15:20 - 15:50 A. Wolf; Nuclear Research Center Negev (Invited) Magnetic Moments of Excited States of Fission Products • 15:50 - 16:20 J. Levin; Weizmann Institute (Invited) Coulomb Explosion Imaging - Experimental Representation of Intramolecular Cor- relations Particles and Fields Bid. 34, Room 209 Morning session Chair: S. Tarem; Technion • 11:00- 11:30 J. Lichtenstadt; Tel-Aviv University (Invited) Measurements of the Proton and Deuteron Spin Structure Functions • 11:30- 12:00 Y. Rozen; Technion (Invited) B Physics at LEP • 12:00 - 12:30 S.Dagan; Tel-Aviv University (Invited) The Standard Model and beyond at HERA • 12:30 - 13:00 D. Lellouch; Weizmann Institute (Invited) The Israeli Participation to the Atlas Project Afternoon session Chair: S. Elitzur; Hebrew University • 14:30 - 15:001. Bars; University of Southern California & CERN (Invited) Two Times • 15:00 - 15:30 R. Plesser; Weizmann Institute (Invited) to be announced • 15:30 - 16:00 D. Kutasov; Weizmann Institute (Invited) Strings, Branes and Gauge Theories • 16:00 - 16:30 R. Madden; Ben-Gurion University (Invited) Graceful Exit and Energy Conditions in String Cosmology 8 Physics in Biology Bid. 34, Room 216 Morning session Chair: D. Andelman; Tel-Aviv University • 11:00— 11:30 J. Stavans; Weizmann Institute (Invited) Temperature Dependence of the Efficiency of Termination • 11:30 - 12:00 D. Golomb; Ben-Gurion University (Invited) Propagating Pulses in One-Dimensional Neuronal Networks • 12:00 - 12:30 E. Braun; Technion (Invited) The Spontaneous Activity of Biological Networks: Experimental Study of Heart • 12:30 - 13:10 E. Ben-Jacob; Tel-Aviv University (Invited) Smart Bacterial Colonies Physics in Industry Bid. 34, Room 303 Morning session Chair: S. Barak; Orbotech/Opal/Unix • 11:00 - 11:30 D. Faiman; Ben-Gurion University (Invited) Photovoltaic Properties of Buckminsterfullerene and Some C6o Junction Devices • 11:30 - 12:00 A. Yogev; Weizmann Institute (Invited) Solar Energy Projects at the Solar Facilities in the Weizmann Institute • 12:00 - 12:40 M. Fassberg; Intel (Invited) INTEL Leading Edge VLSI in Israel • 12:40 - 13:00 A. Gross; Orbotech, Yavne (Invited) The Physicist Impact in the Development of Hi-Tech Machines Afternoon session Chair: S.