Pedagogical introduction to the entropy of entanglement for Gaussian states
Pedagogical introduction to the entropy of entanglement for Gaussian states
The most useful measure of a bipartite entanglement is the von Neumann entropy of either of the reduced density matrices.For a particular class of continuous-variable states, the Gaussian states, the entropy of entanglement can be expressed rather elegantly in terms of the symplectic eigenvalues, elements that characterize a Gaussian state …