papers
Publications (9)
cond-mat.stat-mech2017
Quantum fidelity approach to the ground state properties of the 1D ANNNI model in a transverse field
O. F. de Alcantara Bonfim, B. Boechat, J. Florencio
quant-ph2007
Entanglement Entropy in Random Quantum Spin-S Chains
A. Saguia, M. S. Sarandy, B. Boechat +1
cond-mat.stat-mech2018
Ground-state properties of the one-dimensional transverse Ising model in a longitudinal magnetic field
O. F. de Alcantara Bonfim, B. Boechat, J. Florencio
cond-mat.stat-mech2013
Phase transitions in the two-dimensional super-antiferromagnetic Ising model with next-nearest-neighbor interactions
A. saguia, B. Boechat, O. F. de Alcantara Bonfim +1
cond-mat.dis-nn2003
Spin-3/2 random quantum antiferromagnetic chains
A. Saguia, B. Boechat, M. A. Continentino
cond-mat.dis-nn2000
Breakdown of the perturbative renormalization group for S >= 1 random antiferromagnetic spin chains
A. Saguia, B. Boechat, M. A. Continentino +1
cond-mat.stat-mech2014
Critical behavior of a quantum chain with four-spin interactions in the presence of longitudinal and transverse magnetic fields
B. Boechat, J. Florencio, A. Saguia +1
cond-mat.dis-nn2001
Role of Disorder on the Quantum Critical Point of a Model for Heavy Fermions
T. G. Rappoport, A. Saguia, B. Boechat +1
cond-mat.dis-nn2002
Phase diagram of the random Heisenberg antiferromagnetic spin-1 chain
A. Saguia, B. Boechat, M. A. Continentino