27 citations · 38 across the 3 of their papers we have counts for
4 papers
Mixing of magnetic and phononic excitations in incommensurate Spin-Peierls systems
Ariel Dobry, David Ibaceta
We analyze the excitation spectra of a spin-phonon coupled chain in the presence of a soliton. This is taken as a microscopic model of a Spin-Peierls material placed in a high magn…
From spinons to magnons in explicit and spontaneously dimerized antiferromagnetic chains
Ariel Dobry, David Ibaceta
We reconsider the excitation spectra of a dimerized and frustrated antiferromagnetic Heisenberg chain. This model is taken as the simpler example of compiting spontaneous and expli…
Counting defects in an instantaneous quench
D. Ibaceta, E. Calzetta
The objective of this paper is to study the formation of defects in a non equilibrium second order phase transition by means of a numerical solution of the full dynamical equations…
Domain excitations in spin-Peierls systems
Ariel Dobry, David Ibaceta
We study a model of a Spin-Peierls material consisting of a set of antiferromagnetic Heisenberg chains coupled with phonons and interacting among them via an inter-chain elastic co…