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Researchers at the Institute for Theoretical Physics have provided a mathematically rigorous derivation linking gravity to quantum information, specifically using quantum relative entropy to reconstruct Einstein's equations from thermodynamic principles. This work advances the theoretical understanding of how spacetime geometry may emerge fundamentally from the organization of quantum states rather than treating gravity as a background force.

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Institute for Theoretical Physics links gravity to quantum states

Quantum ZeitgeistOctober 13, 20264 min read

Researchers at the Institute for Theoretical Physics linked gravity to quantum information, tracing spacetime to how data is stored in quantum fields.

Researchers have linked gravity to the organization of quantum information, potentially illuminating the origin of spacetime itself. Building on work dating back to 1995, when Ted Jacobson derived Einstein’s equations from thermodynamics, the team published their findings in Physical Review Letters, reconstructing that derivation by connecting quantum information to spacetime geometry. They used quantum relative entropy, a measure of how distinguishable quantum states are, to reach their conclusion. The work replaces…

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