2 papers
cond-mat.stat-mech2004
Entanglement entropy in the Lipkin-Meshkov-Glick model
J. I. Latorre, R. Orus, E. Rico +1
We analyze the entanglement entropy in the Lipkin-Meshkov-Glick model, which describes mutually interacting spins half embedded in a magnetic field. This entropy displays a singula…
quant-ph2004
Quantum information and triangular optical lattices
Alastair Kay, Derek K. K. Lee, Jiannis K. Pachos +3
The regular structures obtained by optical lattice technology and their behaviour are analysed from the quantum information perspective. Initially, we demonstrate that a triangular…