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Twirled Perfect Tensor Networks: Computationally covariant holographic tensor networks
Gurbir Arora, Matthew Headrick, Albion Lawrence +3
We define a novel class of tensor networks motivated by the Python's Lunch Conjecture (PLC) in local tensor network models of the black hole interior. We start from the observation…
Microscopic origin of the entropy of astrophysical black holes
Vijay Balasubramanian, Albion Lawrence, Javier M. Magan +1
We construct an infinite family of microstates for black holes in Minkowski spacetime which have effective semiclassical descriptions in terms of collapsing dust shells in the blac…
Microscopic origin of the entropy of black holes in general relativity
Vijay Balasubramanian, Albion Lawrence, Javier M. Magan +1
We construct an infinite family of microstates with geometric interiors for eternal black holes in general relativity with negative cosmological constant in any dimension. Wormhole…
Target space entanglement in Matrix Models
Harsha R. Hampapura, Jonathan Harper, Albion Lawrence
We study target space entanglement in gauged multi-matrix models as models of entanglement between groups of D-branes separated by a planar entangling surface, paying close attenti…
On Hybrid Monodromy Inflation (Hic Sunt Dracones)
Nemanja Kaloper, Morgane König, Albion Lawrence +1
We revisit two-field hybrid inflation as an effective field theory for low-scale inflation with sub-Planckian scalar field ranges. We focus on a prototype model by Stewart because…
On phase transitions in the Rényi entropies of 2+1-d large-N interacting vector models
Harsha R. Hampapura, Albion Lawrence, Stefan Stanojevic
We consider the reduced density matrix for a disc in the ground state of the interacting fixed points of the large-N O(N) vector model in 2+1 dimensions. Using the map to the free…
Strongly Coupled Quintessence
Guido D'Amico, Nemanja Kaloper, Albion Lawrence
We present a family of consistent quantum field theories of monodromy quintessence in strong coupling, which can serve as benchmarks in modeling dark energy different from cosmolog…
Divergences in open quantum systems
Cesar Agón, Albion Lawrence
We show that for cubic scalar field theories in five and more spacetime dimensions, and for the limit of the Caldeira-Leggett model, the quantum master equation for long-wa…
Monodromy inflation at strong coupling: in the sky
Guido D'Amico, Nemanja Kaloper, Albion Lawrence
We present a simple effective field theory formulation of a general family of single field flux monodromy models for which strong coupling effects at large field values can flatten…
Entanglement shadows in LLM geometries
Vijay Balasubramanian, Albion Lawrence, Andrew Rolph +1
We find a new example of an asymptotically geometry which has an entanglement shadow: that is, a region of spacetime which no Ryu-Takayanagi minimal surface ente…
A Monodromy from London
Nemanja Kaloper, Albion Lawrence
We focus on the massive gauge theory formulation of axion monodromy inflation. We argue that a gauge symmetry hidden in these models is the key protection mechanism from dangerous…
Large Field Inflation and Gravitational Entropy
Nemanja Kaloper, Matthew Kleban, Albion Lawrence +1
Large field inflation can be sensitive to perturbative and nonperturbative quantum corrections that spoil slow roll. A large number of light species in the theory, which occur…
N=(4,4) Vector Multiplets on Curved Two-Manifolds
Albion Lawrence, Masoud Soroush
We study the necessary conditions for preserving N=(4,4) supersymmetry on curved 2d backgrounds, following the strategy of Dumitrescu, Festuccia, and Seiberg. We derive the transfo…
Coarse Grained Quantum Dynamics
Cesar Agon, Vijay Balasubramanian, Skyler Kasko +1
Inspired by holographic Wilsonian renormalization, we consider coarse graining a quantum system divided between short distance and long distance degrees of freedom, coupled via the…
Causality & holographic entanglement entropy
Matthew Headrick, Veronika E. Hubeny, Albion Lawrence +1
We identify conditions for the entanglement entropy as a function of spatial region to be compatible with causality in an arbitrary relativistic quantum field theory. We then prove…
Natural Chaotic Inflation and UV Sensitivity
Nemanja Kaloper, Albion Lawrence
If the recent measurement of B-mode polarization by BICEP2 is due to primordial gravitational waves, it implies that inflation was driven by energy densities at the GUT scale $M_{G…
Metastability and instability in holographic gauge theories
Matthew Kleban, Albion Lawrence, Matthew M. Roberts +1
We review and extend previous results regarding the stability and thermodynamics of Anti-de Sitter (AdS) spacetime at finite temperature. Using a combination of analytic and numeri…
Holographic interpretations of the renormalization group
Vijay Balasubramanian, Monica Guica, Albion Lawrence
In semiclassical holographic duality, the running couplings of a field theory are conventionally identified with the classical solutions of field equations in the dual gravitationa…
Bose-Fermi duality and entanglement entropies
Matthew Headrick, Albion Lawrence, Matthew M. Roberts
Entanglement (Renyi) entropies of spatial regions are a useful tool for characterizing the ground states of quantum field theories. In this paper we investigate the extent to which…
θ-angle monodromy in two dimensions
Albion Lawrence
"θ-angle monodromy" occurs when a theory possesses a landscape of metastable vacua which reshuffle as one shifts a periodic coupling θby a single period. "Axion monodromy" models a…
Axion monodromy in a model of holographic gluodynamics
Sergei Dubovsky, Albion Lawrence, Matthew M. Roberts
The low energy field theory for N type IIA D4-branes at strong 't Hooft coupling, wrapped on a circle with antiperiodic boundary conditions for fermions, is known to have a vacuum…
An Ignoble Approach to Large Field Inflation
Nemanja Kaloper, Albion Lawrence, Lorenzo Sorbo
We study an inflationary model developed by Kaloper and Sorbo, in which the inflaton is an axion with a sub-Planckian decay constant, whose potential is generated by mixing with a…
Exact null tachyons from RG flows
Allan Adams, Albion Lawrence, Ian Swanson
We construct exact 2d CFTs, corresponding to closed string tachyon and metric profiles invariant under shifts in a null coordinate, which can be constructed from any 2d renormaliza…
Insightful D-branes
Gary Horowitz, Albion Lawrence, Eva Silverstein
We study a simple model of a black hole in AdS and obtain a holographic description of the region inside the horizon. A key role is played by the dynamics of the scalar fields in t…