"Spin Entropy Production by Spacetime Curvature"


Fatemeh Ahmadi (Buein Zahra Technical University)


We discuss the effect of the gravitational field of a massive body on the spin entanglement of a two-qubit system in the Bell states in circular geodesic motion. We study the entanglement using spin entropy, and describe the behavior of the entropy as a function of the orbital radius and show that the spin entropy is more in the singlet state than in the triplet state.

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