Degradation of entanglement between two accelerated parties: Bell states under the Unruh effect

Benedikt Richter, Yasser Omar

We study the entanglement of families of Unruh modes in the Bell states $|{\Phi }^{\pm }⟩=1/\sqrt{2}(|00⟩\pm |11⟩)$ and $|{\Psi }^{\pm }⟩=1/\sqrt{2}(|01⟩\pm |10⟩)$…