Abstract
We present a numerical method to calculate exact ground states of multifluxline systems with quenched disorder, which is based on a minimum cost flow algorithm from combinatorial optimization. This method is applied to the N-line model with N fluxlines (FL) in a 2 or 3 dimensional environment of width L and height H with pure point disorder, hard-core repulsion and fixed boundary conditions. We find that the saturation roughness of the FL scales like w sat ∼ In L (for 2d and in dense limit for 3d).
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© 2001 Springer-Verlag Berlin Heidelberg
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Schröder, G., Knetter, T., Rieger, H. (2001). Solution of the Multifluxline Ground State Problem in Disordered Systems. In: Landau, D.P., Lewis, S.P., Schüttler, HB. (eds) Computer Simulation Studies in Condensed-Matter Physics XIII. Springer Proceedings in Physics, vol 86. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-56577-9_14
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DOI: https://doi.org/10.1007/978-3-642-56577-9_14
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-41190-1
Online ISBN: 978-3-642-56577-9
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