Entangled photon added coherent states

Francisco A. Dominguez-Serna, Francisco J. Mendieta, Fernando Rojas

We study the degree of entanglement of arbitrary superpositions of $m,n$ photon-added coherent states (PACS) $|ψ\rangle \propto u |α,m\rangle |β,n \rangle+ v |β,n\rangle |α,m\rangl…