63 citations · 63 across the 2 of their papers we have counts for
3 papers
quant-ph2018
Breaking the Area Law: The Rainbow State
Giovanni Ramírez, Javier Rodríguez-Laguna, Germán Sierra
An exponential deformation of a 1D critical Hamiltonian, with couplings falling on a length scale , gives rise to ground states whose entanglement entropy follows a volume…
quant-ph2018
Quantum Entanglement In Inhomogeneous 1D Systems
Giovanni Ramírez
The entanglement entropy of the ground state of a quantum lattice model with local interactions usually satisfies an area law. However, in 1D systems some violations may appear in…
quant-ph2015★ 63 cited
Entanglement over the rainbow
Giovanni Ramírez, Javier Rodríguez-Laguna, Germán Sierra
In one dimension the area law for the entanglement entropy is violated maximally by the ground state of a strong inhomogeneous spin chain, the so called concentric singlet phase (C…