100 citations · 288 across the 18 of their papers we have counts for
18 papers
Wormholes as red herrings: reflection positivity and the reconstruction of unitary quantum field theories
Jacob McNamara, Zhencheng Wang
As Coleman famously argued, the apparent breakdown of partition-function factorization in quantum gravity associated with Euclidean wormholes is a red herring, arising from a hidde…
Lorentzian Path Integrals and Jackiw-Teitelboim wormholes with imaginary scalars
Jesse Held, Molly Kaplan, Donald Marolf +1
The Lorentzian path integral was recently used to argue that standard Euclidean axion wormholes do not dominate computations of connected AdS/CFT partition functions. We now apply…
Axion Wormholes and the AdS/CFT Factorization Problem
Jesse Held, Molly Kaplan, Donald Marolf +1
This work investigates the relevance of Euclidean and complex axion wormholes to the AdS/CFT factorization problem. We use a framework that defines bulk gravitational path integral…
Gravitational Algebras with Two Areas
Xuchen Cao, Thomas Faulkner, Zhencheng Wang
We study gravitational algebras on spacetimes with two extremal surfaces. In the example of a long wormhole with two asymptotic AdS boundaries and two compact extremal surfaces, we…
Wormholes with Ends of the World
Diandian Wang, Zhencheng Wang, Zixia Wei
We study classical wormhole solutions in 3D gravity with end-of-the-world (EOW) branes, conical defects, kinks, and punctures. These solutions compute statistical averages of an en…
Euclidean and complex geometries from real-time computations of gravitational Rényi entropies
Jesse Held, Xiaoyi Liu, Donald Marolf +1
Gravitational Rényi computations have traditionally been described in the language of Euclidean path integrals. In the semiclassical limit, such calculations are governed by Euclid…
Null states and time evolution in a toy model of black hole dynamics
Xi Dong, Maciej Kolanowski, Xiaoyi Liu +2
Spacetime wormholes can provide non-perturbative contributions to the gravitational path integral that make the actual number of states in a gravitational system much smaller…
Algebras and Hilbert spaces from gravitational path integrals: Understanding Ryu-Takayanagi/HRT as entropy without AdS/CFT
Eugenia Colafranceschi, Xi Dong, Donald Marolf +1
Recent works by Chandrasekaran, Penington, and Witten have shown in various special contexts that the quantum-corrected Ryu-Takayanagi (RT) entropy (or its covariant Hubeny-Rangama…
A trace inequality for Euclidean gravitational path integrals (and a new positive action conjecture)
Eugenia Colafranceschi, Donald Marolf, Zhencheng Wang
The AdS/CFT correspondence states that certain conformal field theories are equivalent to string theories in a higher-dimensional anti-de Sitter space. One aspect of the correspond…
The Spacetime Geometry of Fixed-Area States in Gravitational Systems
Xi Dong, Donald Marolf, Pratik Rath +2
The concept of fixed-area states has proven useful for recent studies of quantum gravity, especially in connection with gravitational holography. We explore the Lorentz-signature s…
Gravitating spinning strings in AdS
Henry Maxfield, Zhencheng Wang
In the AdS/CFT correspondence, single trace operators of large- gauge theories at large spin can be described by classical spinning strings, giving a geometric and classical…
Time-independence of gravitational Rényi entropies and unitarity in quantum gravity
Donald Marolf, Zhencheng Wang
The Hubeny-Rangamani-Takayanagi surface computing the entropy of a domain of dependence on an asymptotically AdS boundary is known to be causally inaccessible…
Real-time gravitational replicas: Low dimensional examples
Sean Colin-Ellerin, Xi Dong, Donald Marolf +2
We continue the study of real-time replica wormholes initiated in arXiv:2012.00828. Previously, we had discussed the general principles and had outlined a variational principle for…
Traversability of Multi-Boundary Wormholes
Abdulrahim Al Balushi, Zhencheng Wang, Donald Marolf
We generalize the Gao-Jafferis-Wall construction of traversable two-sided wormholes to multi-boundary wormholes. In our construction, we take the background spacetime to be multi-b…
Real-time gravitational replicas: Formalism and a variational principle
Sean Colin-Ellerin, Xi Dong, Donald Marolf +2
This work is the first step in a two-part investigation of real-time replica wormholes. Here we study the associated real-time gravitational path integral and construct the variati…
Probing phase transitions of holographic entanglement entropy with fixed area states
Donald Marolf, Shannon Wang, Zhencheng Wang
Recent results suggest that new corrections to holographic entanglement entropy should arise near phase transitions of the associated Ryu-Takayanagi (RT) surface. We study such cor…
Restricted Maximin surfaces and HRT in generic black hole spacetimes
Donald Marolf, Aron C. Wall, Zhencheng Wang
The AdS/CFT understanding of CFT entanglement is based on HRT surfaces in the dual bulk spacetime. While such surfaces need not exist in sufficiently general spacetimes, the maximi…
Holographic complexity is nonlocal
Zicao Fu, Alexander Maloney, Donald Marolf +2
We study the "complexity equals volume" (CV) and "complexity equals action" (CA) conjectures by examining moments of of time symmetry for wormholes having asymptoti…