Experimental phase diagram of moving vortices

Details Experimental phase diagram of moving vortices Experimental phase diagram of moving vortices

2003-05-05

arxiv.org/abs/cond-mat/0305071v1

Phys. Rev. Lett. 91, 127004 (2003)

Physics

Condensed Matter

Superconductivity

4 pages

Scientific paper

10.1103/PhysRevLett.91.127004

In the mixed state of type II superconductors, vortices penetrate the sample and form a correlated system due to the screening of supercurrents around them. Interestingly, we can study this correlated system as a function of density and driving force. The density, for instance, is controlled by the magnetic field, B, whereas a current density j acts as a driving force F=jxB on all vortices. The free motion of vortices is inhibited by the presence of an underlying potential, which tends to pin the vortices. Hence, to minimize the pinning strength we studied a superconducting glass in which the depinning current is 10 to 1000 times smaller than in previous studies, which enables us to map out the complete phase diagram in this new regime. The diagram is obtained as a function of B, driving current and temperature and led a remarkable set of new results, which includes a huge peak effect, an additional reentrant depinning phase and a driving force induced pinning phase.

Affiliated with

Also associated with

No associations

Rating

Experimental phase diagram of moving vortices does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Experimental phase diagram of moving vortices, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Experimental phase diagram of moving vortices will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-41148