Quantum gravitomagnetic interaction
arXiv:2406.17402 · doi:10.1103/PhysRevD.109.126016
Abstract
In the framework of linearized quantum gravity, we study the quantum gravitational interaction between two nonpointlike objects induced by fluctuating gravitomagnetic fields in vacuum. We find that, in addition to the quantum gravitational interaction induced by fluctuating gravitoelectric fields previously studied, there exists a quantum gravitomagnetic interaction. This interaction originates from the interaction between the instantaneous localized mass currents in nonpointlike objects induced by the fluctuating gravitomagnetic fields. Using fourth-order perturbation theory, we derive the explicit form of the quantum gravitomagnetic interaction energy, which shows an dependence in the near regime and an dependence in the far regime, where is the distance between the two objects. This interaction energy is expected to be significant when the gravitomagnetic polarizability of the objects is large.
arXiv comment18 pages, 1 figure
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