What question did this study set out to answer?

To explore how spacetime geometry and gravitational dynamics can emerge from quantum information correlations.

February 9, 2026Open Access

Emergent Spacetime Geometry from Quantum Information Correlations

Key Points

To explore how spacetime geometry and gravitational dynamics can emerge from quantum information correlations.
Developed an operational framework based on quantum information theory.
Utilized Multiscale Entanglement Renormalization Ansatz (MERA) for analysis.
Derived an effective metric from mutual information.
Linked Einstein's field equations to a variational entropy principle.
Demonstrated a connection between entanglement density and the cosmological constant.
Showed that spacetime geometry can arise from quantum correlations in many-body systems.

Abstract

We propose an operational framework in which spacetime geometry and gravitational dynamics emerge directly from quantum information correlations in many-body systems. Utilizing Multiscale Entanglement Renormalization Ansatz (MERA), we derive an effective metric based on mutual information, demonstrating that Einstein's field equations arise from a variational entropy principle, providing a theoretical link between entanglement density and the cosmological constant.

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Authors

Laura Edreí Salazar Cuevas

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Emergent Spacetime Geometry from Quantum Information Correlations

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Abstract

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