Workshop on

MICROSCOPIC STRUCTURE AND DYNAMICS OF VORTICES IN UNCONVENTIONAL SUPERCONDUCTORS AND SUPERFLUIDS

Max Planck Institute for the Physics of Complex Systems
Dresden, February 28 - March 3, 2000





Sunday, February 27

18:00 - Registration
19:00 - Welcome in the institute's cafeteria



Monday, February 28, General

08:45 - 09:00 Opening by Prof. Peter Fulde
09:00 - 09:45 Alexei Abrikosov
  Vortices in superconductors: history and modern developments
09:45 - 10:30 David Langlois
  Superfluidity in neutron stars
10:30 - 11:00 COFFEE BREAK
11:00 - 11:45 John R. Clem
  Pancake and Josephson vortices in the high-temperature superconductors
11:45 - 12:30 Nikolai B. Kopnin
  Vortex dynamics in Fermi superfluids and superconductors
12:30 - 14:00 LUNCH
14:00 - 14:40 Vladimir Mineev
  Phase transition into superconducting mixed state and de Haas-van Alphen effect
14:40 - 15:20 Vladimir Eltsov
  Experiments on vortices and vortex sheet in 3He
15:20 - 16:00 V. V. Avilov
  Vortex mixtures: coexisting single and double-quantum vortex lines in 3He
16:00 - 16:30 COFFEE BREAK
16:30 - 18:00 Poster session
18:00 - 19:30 SUPPER

Tuesday, February 29, Fermion Modes

09:00 - 09:45 Bart Hoogenboom
  Vortex Cores in Bi2Sr2CaCu2O8+d: shape and spectra
09:45 - 10:30 Marcel Franz
  Vortex state in doped mott insulator
10:30 - 11:00 COFFEE BREAK
11:00 - 11:45 Takafumi Kita
  Vortex structures and quasiparticles in unconventional superconductors
11:45 - 12:30 Alexander Melnikov
  Band theory of quasiparticle excitations in the mixed state of d-wave
  superconductors
12:30 - 14:00 LUNCH
14:00 - 14:40 Bernard Revaz
  Direct observation of the gap nodes in the low temperature specific heat of
  YBa2Cu3O7
14:40 - 15:20 Anne-Christine Davis
  Zero modes on cosmic strings in particle physics theories
15:20 - 16:00 Dmitri A. Ivanov
  Level statistics in vortices in p-wave superconductors
16:00 - 16:30 COFFEE BREAK
16:30 - 17:15 Martin Zirnbauer
  Field-theoretic approach to quasiparticle transport in unconventional
  superconductors
17:15 - 18:00 Mikhail A. Skvortsov
  Flux flow conductivity in the mixed state of layeres superconductors
18:00 - 19:30 SUPPER



Wednesday, March 1, Vortex core

09:00 - 09:45 James A. Sauls
  Andreev bound states in vortices, surfaces and near impurities in unconventional superconductors
09:45 - 10:30 Masanori Ichioka
  Magnetic field dependence of the vortex structure in the quasiclassical theory
10:30 - 11:00 COFFEE BREAK
11:00 - 11:45 Igor L. Maksimov
  Vortex structure in low-dimensional d-wave superconductors
11:45 - 12:30 Milind N. Kunchur
  Vortex instability at low temperatures
12:30 - 14:00 LUNCH
14:00 - 14:40 Yusuke Kato
  Charging effect on Hall conductivity of single vortex in Type II superconductors
14:40 - 15:20 Nobuhiko Hayashi
  Microscopic mechanism of electric charging of a vortex core as an inherent property
  of the Caroli-de Gennes-Matricon states
15:20 - 16:00 Yuji Matsuda
  Probing the vortex charge in high temperature superconductors by nuclear quadrupole
  resonance and vortex Hall effect
16:00 - 16:30 COFFEE BREAK
16:30 - 17:10 R. P. Huebener
  Flux-flow in the cuprate Nd2-xCexCuOy: dissipation in the superclean limit
17:10 - 17:40 Ana Celia Mota
  Giant vortex creep transitions in UPt3, U1-xThxBe13 and Sr2RuO4
19:00 - CONFERENCE DINNER


Thursday, March 2, Vortex dynamics

09:00 - 09:45 Brandon Carter
  Relativistic dynamics of superconducting cosmic strings and of vortex strings
  in superfluids and superconductors
09:45 - 10:30 Edouard Sonin
  Magnus force and Aaronov-Bohm effect in superfluids
10:30 - 11:00 COFFEE BREAK
11:00 - 11:45 Andrei Shelankov
  The force exerted by a magnetic line
11:45 - 12:30 Michael Stone
  The Iordanskii force and phonon scattering from a vortex
12:30 - 14:00 LUNCH
14:00 - 14:40 Valerii Vinokur
  Nonlinear vortex dynamics in randomly inhomogeneous superconductors
14:40 - 15:20 Reiner Kümmel
  Vortex dynamics and Andreev scattering: considerations from mean field and density
  functional theory
15:20 - 16:00 Axel Freimuth
  Vortex dynamics in a temperature gradient
16:00 - 16:30 COFFEE BREAK
16:30 - 17:15 Wolfgang Lang
  Vortex Hall effect in high-Tc superconductors at high current density
17:15 - 18:00 Matthias Eschrig
  Vortex core dynamics in layered superconductors
18:00 - 19:30 SUPPER



Friday, March 3

09:00 - 09:45 Kazumi Maki
  Magnetotransport in unconventional superconductors (d-, p- and f-wave
  superconductors)
09:45 - 10:30 Andrew Huxley
  Unconventional superconductivity, its consequences for vortex physics; the case of UPt3
10:30 - 11:00 COFFEE BREAK
11:00 - 11:45 Pablo Esquinazi
  Magnetization jump due to vortex lattice depinning: an alternative to the
  melting scenario
11:45 - 12:30 Ernst Helmut Brandt
  Influence of geometry on the magnetic properties of type II superconductors
12:30 - 14:00 LUNCH
14:00 - 14:40 Nils Schopohl
  Transition radiation of moving Abrikosov vortices
14:40 - 15:20 Zlatko Tesanovic
  Vortices, quasiparticles and criticality in cuprates
15:20 - 16:00 Igor Aronson
  Nucleation of vortices by rapid thermal quench
16:00 - 16:30 COFFEE BREAK
16:30 - 17:10 Tanmay Vachaspati
  Interaction of magnetic monopoles and domain walls
17:10 - 17:50 Grigori Volovik
  Monopoles, fractional vortices and fractional flux in unconventional superconductors
17:50 - 18:00 Closing
18:00 - 19:30 SUPPER



Saturday, March 4

09:00 - Excursions
  guided tour through the old city centre of Dresden
  hiking tour through the Saxon Switzerland (weather permitting)


Microscopic structure
2/7/2000