Condensed Matter Theories

1. Front Matter

   Pages i-ix

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2. Formal Methods

   1. Artificial Neural Networks that Learn Many-Body Physics

      • John W. Clark, Srinivas Gazula

      Pages 1-24

   2. Quantum Statistical Microdynamics and Critical Phenomena

      • R. G. Brown, M. Ciftan

      Pages 25-35

   3. Quantum Spin Lattice Models: A Coupled-Cluster Treatment

      • R. F. Bishop, J. B. Parkinson, Yang Xian

      Pages 37-62

   4. Time Dependent Mean Field Approximation in a Boson System

      • M. C. Cambiaggio, G. G. Dussel, J. A. Ramirez

      Pages 63-70

   5. Inhomogeneous Boson Systems Made Planar

      • Roger Alan Smith, Hong-Wei He

      Pages 71-78

3. Quantum Fluids

   1. The Shape of Fluids

      • C. E. Campbell, B. E. Clements

      Pages 79-84

   2. Single Particle Properties of Atomic Deuterium

      • C. W. Greeff, B. E. Clements, H. R. Glyde

      Pages 85-97

   3. Studies of the Critical Point of 4He

      • A. Meroni, L. Reatto, K. J. Runge

      Pages 99-108

   4. The Spectral Function of Bose Superfluids: A Sum Rule Approach

      • Sandro Stringari

      Pages 109-113

4. Electronic Systems, Atoms and Molecules

   1. Collective Spin Waves in Maxwellian Electron Plasma

      • Eugene P. Bashkin, Oleg L. Puzyrko

      Pages 115-124

   2. Test of Density Functional Approximation for an Atom in a Strong Magnetic Field

      • Shiwei Li, J. K. Percus

      Pages 125-136

   3. Ionic Diffusion Phenomena in Superionic Conductors

      • M. Kobayashi, T. Tomari, F. Tachibana, H. Okazaki

      Pages 137-153

   4. Electric Field Induced Solidification — Theory of Electro-Rheology Fluids

      • R. Tao

      Pages 155-160

   5. Toward a Non-Born-Oppenheimer Density Functional Theory in the Context of Local-Scaling Transformations

      • Eugene S. Kryachko, Eduardo V. Ludeña, Vladimiro Mujica

      Pages 161-170

   6. Bragg Intensities and Diffuse Scattering in Ag2Se: A Molecular Dynamics Study

      • José Pedro Rino, Priya Vashishta, Rajiv K. Kalia

      Pages 171-187

5. High-Tc Superconductivity

   1. Dynamics of the Anderson Model for Dilute Magnetic Alloys: A Quantum Monte Carlo and Maximum Entropy Study

      • Richard N. Silver, James E. Gubernatis, Devinderjit S. Sivia, Mark Jarrell

      Pages 189-202

   2. High Temperature Superconductivity in an Exactly Solvable Model

      • V. C. Aguilera-Navarro, M. de Llano, A. Plastino, R. Rossignoli

      Pages 203-217

   3. Cooper Pair Binding Energy and the BCS Gap Energy Revisited

      • V. C. Aguilera-Navarro, M. de Llano, A. Plastino

      Pages 219-225

   4. Cooper Pairs, Local Pairs, and TF-Scaled High-Tc Superconductivity

      • V. C. Aguilera-Navarro, M. de Llano, A. Plastino

      Pages 227-239

The XIV International Workshop on Condensed Matter Theories has been held at the Elba International Physics Center (EIPC), Marciana Marina, Isola d'Elba, Italy, from 18-23 June, 1990. The Workshop started in 1977 in Sao Paolo, Brazil, as the 1st Pan American Workshop on Condensed Matter Theories, with the purpose of bringing together scientists from the Western countries, working in many different topics of Condensed Matter Theories, to facilitate exchanges of ideas and technologies from different areas as well as collaborations among the scientists. The next five Workshops were held at Trieste, Italy (1978), in Buenos Aires, Argentina ( 1979), in Caracas, Venezuela (1980), in Mexico City, Mexico (1981) and in St. Louis, Missouri, U. S. A. (1982). Given the international dimension reached by the Workshop, it was decided to extend it into an International Workshop, which was held for the first time in Altenberg, Germany (1983). The next editions took place in Granada, Spain (1984), San Francisco, California, U. S. A. (1985), Argonne, Illinois, U. S. A. (1986), Oulu, Finland (1987), Taxco, Mexico (1988) and Campos do Jordao, Brasil (1989). Many scientists have contributed to the development of the various editions of the Work­ shop. However, a particular mention has to be made to Profs. Manuel de Llano and Angel Plastino who initially proposed the Workshop and carried it forward, and to Prof. J . W. Clark, whose efforts have been of immense help to its recent developments.

• atom
• condensed matter
• development
• diffusion
• electron
• magnetism
• many-body problem
• nuclear physics
• physics
• rheology
• scattering
• superconductivity

• University of Lecce, Lecce, Italy

  S. Fantoni

• University of Pisa, Pisa, Italy

  S. Rosati

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