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Showing 1999 · cond-mat.stat-mechShow all
3 papers · 2 filters
cond-mat.stat-mech1999★ 3 cited
Properties of excitations in systems with a spinor Bose-Einstein condensate
Peter Szepfalusy, Gergely Szirmai
General theory in case of homogenous Bose-Einstein condensed systems with spinor condensate is presented for the correlation functions of density and spin fluctuations and for the…
cond-mat.stat-mech1999
Boundary critical behaviour of two-dimensional random Potts models
Gábor Palágyi, Christophe Chatelain, Bertrand Berche +1
We consider random q-state Potts models for on the square lattice where the ferromagnetic couplings take two values with equal probabilities. For any q the…
cond-mat.stat-mech1999★ 6 cited
Extended surface disorder in the quantum Ising chain
L. Turban, D. Karevski, F. Igloi
We consider random extended surface perturbations in the transverse field Ising model decaying as a power of the distance from the surface towards a pure bulk system. The decay may…