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Universality of Striped Morphologies

Erik Edlund (Institutionen för energi och miljö, Fysisk resursteori ; SuMo Biomaterials) ; Martin Nilsson Jacobi (Institutionen för energi och miljö, Fysisk resursteori)
Physical Review Letters (0031-9007). Vol. 105 (2010), 13, p. 137203.
[Artikel, refereegranskad vetenskaplig]

We present a method for predicting the low-temperature behavior of spherical and Ising spin models with isotropic potentials. For the spherical model the characteristic length scales of the ground states are exactly determined but the morphology is shown to be degenerate with checkerboard patterns, stripes and more complex morphologies having identical energy. For the Ising models we show that the discretization breaks the degeneracy causing striped morphologies to be energetically favored and therefore they arise universally as ground states to potentials whose Hankel transforms have nontrivial minima.

Nyckelord: long-range, ising-model, phases, patterns, superconductors

Denna post skapades 2010-10-14. Senast ändrad 2016-03-31.
CPL Pubid: 127576


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Institutioner (Chalmers)

Institutionen för energi och miljö, Fysisk resursteori (2005-2017)
SuMo Biomaterials



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