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11 papers · 2 filters
Magnetic Phase Diagram of the Ferromagnetically Stacked Triangular Ising Antiferromagnet
M. L. Plumer, A. Mailhot
Histogram Monte-Carlo simulation results are presented for the magnetic-field -- temperature phase diagram of the Ising model on a stacked triangular lattice with antiferromagnetic…
Collective Modes of Soliton-Lattice States in Double-Quantum-Well Systems
R. Cote, L. Brey, H. Fertig +1
In strong perpendicular magnetic fields double-quantum-well systems can sometimes occur in unusual broken symmetry states which have interwell phase coherence in the absence of int…
Mean-field transfer-matrix study of the magnetic phase diagram of CsNiF
Y. Trudeau, M. L. Plumer
A method for treating ferromagnetic chains coupled with antiferromagnetic interactions on an hexagonal lattice is presented in this paper. The solution of the part of the prob…
Field Theory And Second Renormalization Group For Multifractals In Percolation
B. Fourcade, Jean Perrin
The field-theory for multifractals in percolation is reformulated in such a way that multifractal exponents clearly appear as eigenvalues of a second renormalization group. The fir…
Semi-classical description of the frustrated antiferromagnetic chain
D. Allen, D. Senechal
The antiferromagnetic Heisenberg model on a chain with nearest and next nearest neighbor couplings is mapped onto the nonlinear sigma model in the continuum limit. In one s…
One-Particle an Two-Particle Instability of Coupled Luttinger Liquids
Daniel Boies, C. Bourbonnais, A. -M. S. Tremblay
It is shown that the Luttinger liquid is unstable to arbitrarily small transverse hopping. It becomes either a Fermi liquid or exhibits long-range order at zero temperature. The cr…