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Vortex Matter in Superconductors


Vortex matter in high-temperature and exotic superconductors

Tech Area / Field

  • PHY-SSP/Solid State Physics/Physics
  • INS-MEA/Measuring Instruments/Instrumentation
  • MAT-CER/Ceramics/Materials
  • MAT-COM/Composites/Materials

3 Approved without Funding

Registration date

Leading Institute
Tbilisi State University / Institute of Physics (Ge), Georgia, Tbilisi


  • San Jose State University, USA, CA, San Jose\nCentral Michigan University/Center for Applications in Polymer Science, USA, MI, Michigan\nInstitute für Festkörperphysik, Germany, Karlsruhe

Project summary

The objective of the project is the study of the dynamics of Abrikosov vortex lattice and phase transitions in vortex matter both in high-temperature superconductors (HTSC) and in exotic superconductors, such as triplet superconductors and superconductors of MgB2 system.

The application of supersensitive contactless mechanical methods of investigation of energy losses and pinning in superconductors, developed by project participants, in combination with magnetic resonance method, owing to their high sensitivity, allow to study not only the physics of formed vortex matter flow, but to investigate the finest effects connected with the beginning of vortex separation from pinning centers and the accompanying processes of energy dissipation, which are impossible to study by standard methods of investigation (the sensitivity of the mechanical method of investigation of energy losses is of the order of 10-17W).

To achieve the goal of the project, it is necessary:

  1. To study the dynamics and relaxation phenomena in vortex matter in high-temperature and exotic superconductors Sr2RuO4 and in system MgB2.
  2. To study the dynamics of vortex matter in high-temperature and exotic superconductors stimulated by low frequency and pulsed magnetic fields.
  3. To study the anisotropy of the dynamics of Abrikosov vortex lattice in single crystal superconducting systems: Y123, Nd123, Sm123, Gd123 and in strongly-anisotropic, c-oriented HTSC of BiPbSrCaCuO system, exotic superconductors Sr2RuO4 and in system MgB2.
  4. To study the anisotropy of energy dissipation in basal plane in high-temperature layered superconductors.
  5. To develop the method investigation of the application region of superconductive devices on the basis of high temperature superconductivity.
  6. To built and test the device for the establishment of applicability conditions of high temperature superconductors in techniques.

During the writing of the present project we have used results obtained in our previous G-389 ISTC Project.


The International Science and Technology Center (ISTC) is an intergovernmental organization connecting scientists from Kazakhstan, Armenia, Tajikistan, Kyrgyzstan, and Georgia with their peers and research organizations in the EU, Japan, Republic of Korea, Norway and the United States.


ISTC facilitates international science projects and assists the global scientific and business community to source and engage with CIS and Georgian institutes that develop or possess an excellence of scientific know-how.

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