2 papers
quant-ph2014
Comment on: Local Unitary Equivalence of Multipartite Pure Qubits States
A. M. Martins
A Comment on the Letter by B. Kraus {\it Phys. Rev. Lett.}{\bf 104}, 020504 (2010).
quant-ph2012
Influence of the spectral bandwidth in the entanglement of a nondegenerate parametric amplifier
Ana M. Martins
We propose a simple model for the nondegenerate parametric inter- action that takes into account the finite spectral bandwidth of the pump wave. The Heisenberg equations of motion…