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- University of Tennessee at KnoxvilleUS92 papers
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4 papers · 1 filter
Anomalous Roughness of Fracture Surfaces in 2D Fuse Models
Phani K. V. V. Nukala, Stefano Zapperi, Mikko Alava +1
We study anomalous scaling and multiscaling of two-dimensional crack profiles in the random fuse model using both periodic and open boundary conditions. Our large scale and extensi…
Reversal Modes of Simulated Iron Nanopillars in an Obliquely Oriented Field
S. H. Thompson, G. Brown, P. A. Rikvold
Stochastic micromagnetic simulations are employed to study switching in three-dimensional magnetic nanopillars exposed to highly misaligned fields. The switching appears to proceed…
Projective Dynamics Analysis of Magnetization Reversal
G. Brown, M. A. Novotny, P. A. Rikvold
The computational Projective Dynamics method is used to analyze simulations of magnetization reversal in nanoscale magnetic pillars. It is shown that this method can be used to det…
DMRG Study of Critical Behavior of the Spin-1/2 Alternating Heisenberg Chain
T. Papenbrock, T. Barnes, D. J. Dean +2
We investigate the critical behavior of the S=1/2 alternating Heisenberg chain using the density matrix renormalization group (DMRG). The ground-state energy per spin and singlet-t…