Results 41 to 50 of about 6,084,177 (345)
The holographic dual of the Penrose transform
Journal of High Energy Physics, 2018 We consider the holographic duality between type-A higher-spin gravity in AdS4 and the free U(N) vector model. In the bulk, linearized solutions can be translated into twistor functions via the Penrose transform.
Yasha Neiman
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Journal of High Energy Physics, 2023 We elaborate on various aspects of our top-down celestial holographic duality wherein the semiclassical bulk spacetime is a 4d asymptotically flat, self-dual Kähler geometry known as Burns space.
Kevin Costello +2 more
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4D higher spin black holes with nonlinear scalar fluctuations
Journal of High Energy Physics, 2017 We construct an infinite-dimensional space of solutions to Vasiliev’s equations in four dimensions that are asymptotic to AdS spacetime and superpose massless scalar particle modes over static higher spin black holes. Each solution is obtained by a large
Carlo Iazeolla, Per Sundell
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Bulk interactions and boundary dual of higher-spin-charged particles
Journal of High Energy Physics, 2021 We consider higher-spin gravity in (Euclidean) AdS 4 , dual to a free vector model on the 3d boundary. In the bulk theory, we study the linearized version of the Didenko-Vasiliev black hole solution: a particle that couples to the gauge fields of all ...
Adrian David, Yasha Neiman
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Twistor strings for N $$ \mathcal{N} $$ = 8 supergravity
Journal of High Energy Physics, 2020 This paper presents a worldsheet theory describing holomorphic maps to twistor space with N $$ \mathcal{N} $$ fermionic directions. The theory is anomaly free when N $$ \mathcal{N} $$ = 8.
David Skinner
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Spinorial higher-spin gauge theory from IKKT model in Euclidean and Minkowski signatures
Journal of High Energy Physics, 2023 We explore the semi-classical relation between the fuzzy 4-hyperboloid H N 4 $$ {H}_N^4 $$ and non-compact quantized twistor space ℙ N 1 , 2 $$ {\mathbb{P}}_N^{1,2} $$ at large N.
Harold C. Steinacker, Tung Tran
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On Ricci-flat twistor theory [PDF]
Surveys in Differential Geometry, 1999 The author of this interesting paper is the creator of the twistor theory. He defines the main purpose of the paper in the following way: ``The problem of introducing self-dual Weyl curvature into the geometry of twistor space has been referred to as the (gravitational) googly problem of twistor theory\dots{} Somewhat over a year ago, a new approach to
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Twistor Theory and the Schlesinger Equations [PDF]
, 1993 We show that solutions of the Schlesinger equations correspond to holomorphic vector bundles on (subsets of) ℂℙ n that are invariant under the action of the diagonal subgroup of GL(n + 1, ℂ). As an application, we demonstrate that the Schlesinger equations are a reduction of the hyper-Kahler equations.
Mason, L, Woodhouse, N
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Complete Equivalence Between Gluon Tree Amplitudes in Twistor String Theory and in Gauge Theory [PDF]
, 2011 The gluon tree amplitudes of open twistor string theory, defined as contour integrals over the ACCK link variables, are shown to satisfy the BCFW relations, thus confirming that they coincide with the corresponding amplitudes in gauge field theory.
D Nandan +24 more
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Twistors and geometric quantisation theory
Reports on Mathematical Physics, 1978 Abstract The basic geometry of twistors is developed as an application of geometric quantisation theory to the conformal group. It is found, however, that the Kahler form is not positive and that the quantised Hilbert space is trivial. This serves both to highlight difficulties in the quantisation theory for semi-simple Lie groups and to point out ...
Carey, A, Hannabuss, K
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