91 citations · 293 across the 15 of their papers we have counts for
4 papers · 1 filter
Experimental Determination of Thermal Entanglement in Spin Clusters using Magnetic Susceptibility Measurements
A. M. Souza, M. S. Reis, D. O. Soares-Pinto +2
The present work reports an experimental observation of thermal entanglement in a clusterized spin chain formed in the compound NaCuSiO. The presence of entangle…
On the nonextensive character of some magnetic systems
D. O. Soares-Pinto, M. S. Reis, R. S. Sarthour +1
During the past few years, nonextensive statistics has been successfully applied to explain many different kinds of systems. Through these studies some interpretations of the entro…
Spin-waves in a complex magnetic system: nonextensive approach
D. O. Soares-Pinto, M. S. Reis, R. S. Sarthour +1
In this paper we analyze the spin-wave excitations (magnons) of an inhomogeneous spin system within the Boltzmann-Gibbs framework and then connect the results with the nonextensive…
New Consideration on Composed Nonextensive Magnetic Systems
F. A. R. Navarro, M. S. Reis, E. K Lenzi +1
In this paper a composed A+B magnetic system, with spins J_A=2 and J_B=3/2, is considered within the mean-field approximation, in the framework of Tsallis nonextensive statistics.…