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- W4323314733 abstract "The Einstein equivalence principle is based on the equality of gravitational and inertial mass, which has led to the universality of a free-fall concept. The principle has been extremely well tested so far and has been tested with a great precision. However, all these tests and the corresponding arguments are based on a classical setup where the notion of position and velocity of the mass is associated with a classical value as opposed to the quantum entities.Here, we provide a simple quantum protocol based on creating large spatial superposition states in a laboratory to test the quantum regime of the equivalence principle where both matter and gravity are treated at par as a quantum entity. The two gravitational masses of the two spatial superpositions source the gravitational potential for each other. We argue that such a quantum protocol is unique with regard to testing especially the generalisation of the weak equivalence principle by constraining the equality of gravitational and inertial mass via witnessing quantum entanglement." @default.
- W4323314733 created "2023-03-07" @default.
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- W4323314733 date "2023-03-03" @default.
- W4323314733 modified "2023-09-29" @default.
- W4323314733 title "Entanglement Witness for the Weak Equivalence Principle" @default.
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- W4323314733 doi "https://doi.org/10.3390/e25030448" @default.
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