Research edition 04 / 20 October 2026

Thermodynamics of Spacetime: The Einstein Equation of State

A conditional thermodynamic derivation of Einstein equations; a competing explanatory approach, not evidence that every geometry is emergent.

Source and scope

Ted Jacobson · 1995 · Physical Review Letters 75, 1260–1263

A conditional thermodynamic derivation of Einstein equations; a competing explanatory approach, not evidence that every geometry is emergent.

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DOI: 10.1103/PhysRevLett.75.1260

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Use in this edition

Evidence map · Speculation register · Model lineage