Vortex Lattice Melting in 2D Superconducting Networks and Films

Details Vortex Lattice Melting in 2D Superconducting Networks and Films Vortex Lattice Melting in 2D Superconducting Networks and Films

1994-09-02

arxiv.org/abs/cond-mat/9409007v1

Phys. Rev. B 51, 6551 (1995)

Physics

Condensed Matter

55 pages, RevTex3.0, 25 figures (available by mail by contacting stte@pas.rochester.edu)

Scientific paper

10.1103/PhysRevB.51.6551

We carry out MC studies of 2D superconducting networks, in an applied magnetic field, for square and honeycomb geometries. We consider both dilute systems (f=1/q) and systems near full frustration (f=1/2-1/q). For the dilute case (which models a film as q->infinity), we find two transitions: at T_c(f)~1/q there is a depinning transition from a pinned to a floating vortex lattice; at T_m(f)~constant the floating vortex lattice melts into an isotropic liquid. We analyze this melting according to the Kosterlitz- Thouless theory of dislocation mediated melting, and find that the melting is weakly first order. For the case near full frustration, the system can be described in terms of the density of defects in an otherwise fully frustrated vortex pattern. We find pinned solid, floating solid, and liquid defect phases, as well as a higher sharp transition corresponding to the disordering of the fully frustrated background.

Affiliated with

Also associated with

No associations

Rating

Vortex Lattice Melting in 2D Superconducting Networks and Films 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 Vortex Lattice Melting in 2D Superconducting Networks and Films, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vortex Lattice Melting in 2D Superconducting Networks and Films will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-280463