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quant-ph2011★ 3 cited
Propagation of local excitations through strongly correlated quantum chains
Jean Richert, Tarek Khalil
The propagation of an external transverse magnetic signal acting locally on a 1d chain of spins generates a disturbance which runs through the system. This quantum effect can be in…
quant-ph2011
Study of the spectral properties of spin ladders in different representations via a renormalization procedure
Tarek Khalil, Jean Richert
We implement an algorithm which is aimed to reduce the dimensions of the Hilbert space of quantum many-body systems by means of a renormalization procedure. We test the role and im…