Maximal entanglement of two spinor Bose-Einstein condensates

Abstract

Starting with two weakly-coupled anti-ferromagnetic spinor condensates, we show that by changing the sign of the coefficient of the spin interaction, $U_2$, via an optically-induced Feshbach resonance one can create an entangled state consisting of two anti-correlated ferromagnetic condensates. This state is maximally entangled and a generalization of the Bell state from two anti-correlated spin-1/2 particles to two anti-correlated spin$-N/2$ atomic samples, where $N$ is the total number of atoms.

5 pages, 3 figures, accepted for publication in PRA

References in corpus (2)

• Quantum phase transition from a superfluid to a Mott insulator in a gas of ultracold atoms
• Tuning the scattering length with an optically induced Feshbach resonance

Cited by in corpus (9)

• Experimental motivation and empirical consistency in minimal no-collapse quantum mechanics
• Photoassociation spectroscopy of a Spin-1 Bose-Einstein condensate
• Bose-Einstein Condensation with Entangled Order Parameter
• Localization of spin mixing dynamics in a spin-1 Bose-Einstein condensate
• Non-autonomous bright matter wave solitons in spinor Bose-Einstein condensates
• Quantum states of a binary mixture of spinor Bose-Einstein condensates
• Quantum entangled ground states of two spinor Bose-Einstein condensates
• Enhancement of spin coherence in a spin-1 Bose condensate by dynamical decoupling approaches
• Atomic number fluctuations in a mixture of two spinor condensates