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cond-mat.dis-nn1998
Statistical properties of localisation--delocalisation transition in one dimension
M. Steiner, Yang Chen, M. Fabrizio +1
We study a one-dimensional model of disordered electrons (also relevant for random spin chains), which exhibits a delocalisation transition at half-filling. Exact probability distr…
cond-mat.dis-nn1997
Random Mass Dirac Fermions in Doped Spin-Peierls and Spin-Ladder systems: One-Particle Properties and Boundary Effects
M. Steiner, M. Fabrizio, Alexander O. Gogolin
Quasi-one-dimensional spin-Peierls and spin-ladder systems are characterized by a gap in the spin-excitation spectrum, which can be modeled at low energies by that of Dirac fermion…