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cond-mat1996
Effect of Finite Impurity Mass on the Anderson Orthogonality Catastrophe in One Dimension
Herve Castella
A one-dimensional tight-binding Hamiltonian describes the evolution of a single impurity interacting locally with electrons. The impurity spectral function has a power-law sing…
cond-mat1994
Integrability and ideal conductance at finite temperatures
H. Castella, X. Zotos, P. Prelovsek
We analyse the finite temperature charge stiffness D(T>0), by a generalization of Kohn's method, for the problem of a particle interacting with a fermionic bath in one dimension. W…
cond-mat1993
Exact calculation of spectral properties of a particle interacting with a one dimensional fermionic system
H. Castella, X. Zotos
Using the Bethe ansatz analysis as was reformulated by Edwards, we calculate the spectral properties of a particle interacting with a bath of fermions in one dimension for the case…