299 citations · 347 across the 3 of their papers we have counts for
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Interplay between a quantum impurity and a boundary field in the SUSY t-J model
Holger Frahm, Guillaume Palacios
We study the role of bound states appearing in different formulations of the Bethe ansatz for the supersymmetric t-J model with a boundary potential and an integrable impurity. For…
Enhancement of pairwise entanglement from $\mathbbm{Z}_2$ symmetry breaking
A. Osterloh, G. Palacios, S. Montangero
We study the effect of symmetry breaking in a quantum phase transition on pairwise entanglement in spin-1/2 models. We give a set of conditions on correlation functions a model has…
Anderson-like impurity in the one-dimensional t-J model: formation of local states and magnetic behaviour
Holger Frahm, Guillaume Palacios
We consider an integrable model describing an Anderson-like impurity coupled to an open -- chain. Both the hybridization (i.e. its coupling to bulk chain) and the local spect…
Correlation functions of one-dimensional Bose-Fermi mixtures
Holger Frahm, Guillaume Palacios
We calculate the asymptotic behaviour of correlation functions as a function of the microscopic parameters for a Bose-Fermi mixture with repulsive interaction in one dimension. For…
Entanglement in a second order quantum phase transition
J. Vidal, G. Palacios, R. Mosseri
We consider a system of mutually interacting spin 1/2 embedded in a transverse magnetic field which undergo a second order quantum phase transition. We analyze the entanglement pro…