Field of intrest:
Superconductivity.
Ilan Barboy's page
"If the world should
blow itself up, the last audible voice would be that of an expert
saying it
can't be done." (Peter Ustinov)
Field of intrest:
Superconductivity.
Subject of
reaserch: The Dynamics of Channeled
Vortex Motion.
Under the supervision of Prof. Grzegorz Jung.
Contact Information
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Office Phone: |
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Office Fax: |
+972-(0)8-6461180 |
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Office: |
Building 54 - Room -116 |
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EMail: |
barboy@bgu.ac.il |
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2004 - present |
Ph.D. student, Department of
Physics, |
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2001 - 2004 |
M.Sc., Department of
Physics, |
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1997 - 2001 |
B.Sc., Department of Physics, |
Abstract:
Recent decade of intensive investigations of
high-temperature
superconductors (HTSC) resulted in enormous progress in our
understanding
of the properties of vortex matter in type-II superconductors. High
thermal
energies, strong anisotropy, short coherence length, and relatively
weak
pinning in HTSC lead to coexistence of many phases in the vortex matter
phase diagram and enable transitions between them under changing
experimental
conditions. The same factors cause pronounced activated movements of
vortices,
resulting in significant dissipation in the superconducting state.
The purpose of the research is to characterize,
experimentally,
the nucleation and movement of vortices and vortex bundles in a
channeled
zone within an YBCO thin film. The emphasis is on effects due to
transport
current alone (no external field). The possible contribution in the
subject
is a basic understanding of the mechanism of vortex movement and
possibly
providing a measure of control over this movement. This could lead to a
number of technological developments, among them: microwave detectors
with
sensitivity in the order of Planck constant, and logical circuits such
as a transistor.
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