Absence of a True Vortex-Glass Phase above the Bragg Glass Transition Line in Bi-2212

Details Absence of a True Vortex-Glass Phase above the Bragg Glass Transition Line in Bi-2212 Absence of a True Vortex-Glass Phase above the Bragg Glass Transition Line in Bi-2212

2003-03-06

arxiv.org/abs/cond-mat/0303111v1

Physica C390, 107-112(2003)

Physics

Condensed Matter

Superconductivity

10 pages, 5 figures, To appear in Physica C

Scientific paper

10.1016/S0921-4534(03)00622-1

In magnetic measurements on Bi$_2$Sr$_2$CaCu$_2$O$_{8+\delta}$ (Bi-2212) single crystals, a general peak with a dynamical feature on both $S-H$ and $S-T$ curves was found with S the magnetic relaxation rate. At higher fields, the characteristic exponent $\mu$ becomes negative, together with the positive curvature of $logE$ vs. $ logj$ and the scaling based on the 2D vortex glass theory or plastic creep theory, we conclude that the vortex motion above the second peak is plastic when $j\to 0$ and there is no vortex glass phase at finite temperatures in Bi-2212. The peak of S is then explained as the crossover between different meta-stable vortex states.

Affiliated with

Also associated with

No associations

Rating

Absence of a True Vortex-Glass Phase above the Bragg Glass Transition Line in Bi-2212 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 Absence of a True Vortex-Glass Phase above the Bragg Glass Transition Line in Bi-2212, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Absence of a True Vortex-Glass Phase above the Bragg Glass Transition Line in Bi-2212 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-648588