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Does gravity come from quantum information?

Nature Physics volume 14, pages 984–987 (2018)Cite this article

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Abstract

Reconciling quantum mechanics with gravity has long posed a challenge for physicists. Recent developments have seen concepts originally developed in quantum information theory, such as entanglement and quantum error correction, come to play a fundamental role in understanding quantum gravity.

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Fig. 1: Schematic illustration of holographic duality and RT formula.
Fig. 2: Analogy between accessing bulk qubit from the boundary and quantum error correction.
Fig. 3: Tensor network state and the encoded bulk qubit.
Fig. 4: The relation between entanglement, bulk geometry and energy–momentum of the boundary.
Fig. 5: The scattering between two particles, a and b, near the black hole horizon.

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Acknowledgements

This work is supported by the National Science Foundation under grant no. 1720504.

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  1. Department of Physics, Stanford University, Stanford, CA, USA

    Xiao-Liang Qi

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Correspondence to Xiao-Liang Qi.

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Qi, XL. Does gravity come from quantum information?. Nature Phys 14, 984–987 (2018). https://doi.org/10.1038/s41567-018-0297-3

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