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| Central concepts |
- AdS/CFT correspondence
- Causal patch
- Gravitational anomaly
- Graviton
- Holographic principle
- IR/UV mixing
- Planck scale
- Quantum foam
- Trans-Planckian problem
- Weinberg–Witten theorem
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| Toy models |
- 2+1D topological gravity
- CGHS model
- Jackiw–Teitelboim gravity
- Liouville gravity
- RST model
- Topological quantum field theory
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Quantum field theory in curved spacetime |
- Bunch–Davies vacuum
- Hawking radiation
- Semiclassical gravity
- Unruh effect
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| Black holes |
- Black hole complementarity
- Black hole information paradox
- Black-hole thermodynamics
- Bousso's holographic bound
- ER=EPR
- Firewall (physics)
- Gravitational singularity
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| Approaches | | String theory |
- Bosonic string theory
- M-theory
- Supergravity
- Superstring theory
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| Canonical quantum gravity |
- Loop quantum gravity
- Wheeler–DeWitt equation
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| Euclidean quantum gravity | |
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| Others |
- Causal dynamical triangulation
- Causal sets
- Noncommutative geometry
- Spin foam
- Group field theory
- Superfluid vacuum theory
- Twistor theory
- Dual graviton
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| Applications |
- Quantum cosmology
- Eternal inflation
- Multiverse
- FRW/CFT duality
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