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Quantum Coherence And Entanglement In The Avian Compass, James A. Pauls, Yiteng Zhang, Gennady P. Berman, Sabre Kais
Quantum Coherence And Entanglement In The Avian Compass, James A. Pauls, Yiteng Zhang, Gennady P. Berman, Sabre Kais
Birck and NCN Publications
The radical-pair mechanism is one of two distinct mechanisms used to explain the navigation of birds in geomagnetic fields, however little research has been done to explore the role of quantum entanglement in this mechanism. In this paper we study the lifetime of radical-pair entanglement corresponding to the magnitude and direction of magnetic fields to show that the entanglement lasts long enough in birds to be used for navigation. We also find that the birds appear to not be able to orient themselves directly based on radical-pair entanglement due to a lack of orientation sensitivity of the entanglement in the …