Zobrazeno 1 - 10
of 4 464
pro vyhledávání: '"Knighton BE"'
Autor:
Knighton, Bob
We revisit the path integral formulation of bosonic string theory in locally-AdS$_3$ spacetimes. Through a careful analysis of the worldsheet sigma model, we write down an effective theory of long strings living near the boundary of AdS$_3$. By direc
Externí odkaz:
http://arxiv.org/abs/2410.16904
One of the few cases of AdS/CFT where both sides of the duality are under good control relates tensionless $k=1$ strings on AdS$_3$ to a two-dimensional symmetric product CFT. Building on prior observations, we propose an exact duality between string
Externí odkaz:
http://arxiv.org/abs/2408.00823
We study topological defect lines in the symmetric-product orbifolds $\mathrm{Sym}^N(X)$ for a generic seed CFT $X$. We focus on the defects which preserve the maximum of the $S_N$ symmetry. When $X$ is taken to describe the free theory of four fermi
Externí odkaz:
http://arxiv.org/abs/2406.03467
Autor:
Knighton, Bob
In this note, we comment on the path integral formulation of string theory on $\mathcal{M}\times\text{S}^3\times\mathbb{T}^4$ where $\mathcal{M}$ is any hyperbolic 3-manifold. In the special case of $k=1$ NS-NS flux, we provide a covariant descriptio
Externí odkaz:
http://arxiv.org/abs/2404.19571
Autor:
Knighton, Bob, Sriprachyakul, Vit
We study correlation functions of spectrally-flowed vertex operators in bosonic string theory on $\text{AdS}_3\times X$ in the path integral formalism. By restricting the path integral to only include worldsheets which live near the asymptotic bounda
Externí odkaz:
http://arxiv.org/abs/2404.07296
Autor:
Demulder, Saskia, Driezen, Sibylle, Knighton, Bob, Oling, Gerben, Retore, Ana L., Seibold, Fiona K., Sfondrini, Alessandro, Yan, Ziqi
We review different exact approaches to string theory. In the context of the Green-Schwarz superstring, we discuss the action in curved backgrounds and its supercoset formulation, with particular attention to superstring backgrounds of the $AdS_3$ ty
Externí odkaz:
http://arxiv.org/abs/2312.12930
We study string theory in three-dimensional Anti-de Sitter spacetime in the path integral formalism. We derive expressions for generic spectrally-flowed near-boundary vertex operators in the Wakimoto representation, and relate their correlation funct
Externí odkaz:
http://arxiv.org/abs/2312.08429
We revisit the minimal tension ($k=1$) string theory on $\text{AdS}_3\times\text{S}^3\times\mathbb{T}^4$. We propose a new free-field description of the worldsheet theory and show how localization of string amplitudes emerges from the path integral.
Externí odkaz:
http://arxiv.org/abs/2312.04622
Autor:
Biggs, Megan F., Knighton, Brittany E., Alejandro, Aldair, Davis, Lauren M., Rader, Claire, Johnson, Jeremy A.
To control structure-function relationships in solids with light, we must harness the shape of the potential energy surface, as expressed in anharmonic coupling coefficients. We use two-dimensional terahertz (THz) spectroscopy to identify trilinear c
Externí odkaz:
http://arxiv.org/abs/2310.08747
Publikováno v:
Communications Earth & Environment, Vol 5, Iss 1, Pp 1-9 (2024)
Abstract Communities respond to flooding events based upon risk perceptions and available adaptive behaviors (e.g., emigrating, purchasing insurance, constructing levees). Across the United States, sea level rise, intensifying storm-surges, and extre
Externí odkaz:
https://doaj.org/article/9c4f9fd8122d451c8befc3fe0d683959
