Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2007-02-13
Physics
Condensed Matter
Disordered Systems and Neural Networks
4 pages, 5 figures; The text is slightly changed, the figures 3, 4 and 5 are changed, and a few references are added
Scientific paper
10.1103/PhysRevLett.99.137202
The stability of the spin-glass phase against a magnetic field is studied in the three and four dimensional Edwards-Anderson Ising spin glasses. Effective couplings and effective fields associated with length scale L are measured by a numerical domain-wall renormalization group method. The results obtained by scaling analysis of the data strongly indicate the existence of a crossover length beyond which the spin-glass order is destroyed by field H. The crossover length well obeys a power law of H which diverges as H goes to zero but remains finite for any non-zero H, implying that the spin-glass phase is absent even in an infinitesimal field. These results are well consistent with the droplet theory for short-range spin glasses.
Hukushima Koji
Sasaki Makoto
Takayama Hajime
Yoshino Hajime
No associations
LandOfFree
Scaling Analysis of Domain-Wall Free-Energy in the Edwards-Anderson Ising Spin Glass in a Magnetic Field 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 Scaling Analysis of Domain-Wall Free-Energy in the Edwards-Anderson Ising Spin Glass in a Magnetic Field, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Scaling Analysis of Domain-Wall Free-Energy in the Edwards-Anderson Ising Spin Glass in a Magnetic Field will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-409392