Building up spacetime with quantum entanglement

hep-th 2026-07 conditional novelty 7.0 of 10

In AdS3, dS3, and AdS4 hyperbolic examples, the Kontsevich-Segal-Witten criterion uniquely selects a three-piece complex contour for timelike extremal surfaces, while timelike strips in AdS4 violate the criterion near...

hep-th 2026-06 unverdicted novelty 7.0 of 10

Derives criteria for when state-dependent proto-area two-jets in approximate holographic codes are compatible with metric two-jets, including polyhedral realizations, X-ray transform tangent spaces, and quadratic obst...

hep-th 2026-06 accept novelty 7.0 of 10

Holographic multi-entropy vectors form a rational polyhedral cone; its n=3,4 facets yield seven fundamental multi-entropy inequality orbits, with ordinary HEC facets arising as convex combinations of HMEC facets.

hep-th 2026-03 unverdicted novelty 7.0 of 10

The paper proposes that condensate competition in the 2d Gross-Neveu model generates an emergent AdS₃ bulk, a higher-spin tower, D1-branes, and linearized Einstein gravity with G₃ = ℓ_AdS/4πN².

hep-th 2025-06 accept novelty 7.0 of 10

Quantum reference frames built from Wilson lines give lattice gauge theories gauge-invariant subsystem factorizations and a hierarchy of relational entanglement entropies.

hep-th 2026-07 conditional novelty 6.5 of 10

Gravitational dressing in JT gravity lets an infalling Unruh-DeWitt detector detect the horizon location and temperature locally, violating the equivalence principle without a firewall.

hep-th 2026-06 unverdicted novelty 6.5 of 10

Late-time TEE growth in asymptotically AdS black holes with space-like singularities is governed by a critical extremal surface inside the horizon, with real/imaginary growth rates bounded by Schwarzschild-AdS under e...

hep-th 2026-07 conditional novelty 6.0 of 10

Semiclassical pure AdS3 gravity states, labelled by fixed-area geodesic networks, are mapped to CFT2 primary states whose wavefunctions are networks of OPE coefficients.

hep-th 2026-07 conditional novelty 6.0 of 10

Analytic holographic timelike entanglement entropy for a boosted BTZ black hole, with a critical boost separating complex and real extremal-geodesic branches.

hep-th 2026-07 unverdicted novelty 6.0 of 10

Timelike entanglement first law holds in Lovelock gravity about AdS, with both entropy and modular Hamiltonian variations carrying the same coupling factor that renormalizes Newton's constant in the linearized equations.

hep-th 2026-06 unverdicted novelty 6.0 of 10

The paper proposes a kinematic space for any subregion of vacuum AdS, whose geodesic 'PEE threads' uniformly cover the subregion and yield tensor-network models that reproduce Ryu-Takayanagi entropy and realize surfac...

hep-th 2026-02 conditional novelty 6.0 of 10

In a holographic CFT on a cylinder, a qutrit Unruh-DeWitt detector harvests more mana when the dual bulk scalar uses standard (Δ+) quantization than alternate (Δ−) quantization.

hep-th 2025-12 conditional novelty 6.0 of 10

The quadratic shape-deformation correction to pseudoentropy in dS/CFT is controlled by the analytically continued stress-tensor coefficient C_T, making the sphere a local extremum across Einstein and quadratic-curvatu...

hep-th 2025-11 conditional novelty 6.0 of 10

For timelike boundary regions, the entanglement first law ΔS = Δ⟨H⟩ is equivalent, by the paper's proof, to the linearized Einstein equations around AdS.

hep-lat 2025-09 conditional novelty 6.0 of 10

A tensor renormalization group algorithm computes entanglement entropy for arbitrary single-interval subsystems and reproduces c=0.49997(8) in the 2D Ising model.

hep-th 2025-08 conditional novelty 6.0 of 10

Timelike separated subregions admit a transition-operator entropy, a complexified RT surface, and a timelike entanglement wedge cross section that equals half the analytically continued reflected entropy in AdS3/CFT2.

hep-th 2025-07 conditional novelty 6.0 of 10

A toy model using four-dimensional Brill-Lindquist wormholes reproduces the Page curve for black hole evaporation and shows Hawking-radiation decoding complexity falls to polynomial at late times.

hep-th 2025-06 reject novelty 6.0 of 10

The paper proposes a weighted-sum revision of the quantum extremal surface formula, but the weight is assumed rather than derived.

hep-th 2025-05 conditional novelty 6.0 of 10

The RT formula for entanglement in AdS3/CFT2, including phase transitions and multi-interval vacuum entropies, is derived from an assumed large-c ensemble of (B)CFT data, under the 'It from ETH' paradigm.

hep-th 2026-07 conditional novelty 5.5 of 10

Open-string anyonic entanglement on entanglement branes equals gravitational replica entropy of the dual closed-string Calabi–Yau via geometric transitions in the A-model TQFT.

hep-th 2026-02 conditional novelty 5.0 of 10

Renormalized holographic pseudoentropy in dS/CFT is constructed from conformal-gravity actions in four and six dimensions, yielding finite sphere values and Mezei-like shape dependence for small deformations.

math.DS 2025-08 unverdicted novelty 5.0 of 10

Claims a delay-independent global exponential stability criterion for a broad class of nonlinear nonautonomous delay differential equations using isospectral reduction of an associated sequence of matrices.

gr-qc 2026-07 reject novelty 4.0 of 10

An entanglement graph is posited to generate a fractal spacetime whose stochastic geodesics yield quantum mechanics and whose evolving metric yields gravity.

hep-th 2025-06 unverdicted novelty 3.0 of 10

Takayanagi's essay outlines a research program in which holographic spacetime, including the time direction, may emerge from entanglement, complexity, and complex-valued pseudo-entropy, without presenting a new derivation.