Results 21 to 30 of about 4,907,574 (303)

Twistor Actions for Integrable Systems

Journal of High Energy Physics, 2021
Many integrable systems can be reformulated as holomorphic vector bundles on twistor space. This is a powerful organizing principle in the theory of integrable systems.
Robert F. Penna
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Mini-twistors and the Cotton double copy

Journal of High Energy Physics, 2023
The double copy relates quantities in gauge, gravity and related theories. A well-known procedure for relating exact classical solutions is the Weyl double copy in four spacetime dimensions, and a three-dimensional analogue of this — the Cotton double ...
Mariana Carrillo González, William T. Emond, Nathan Moynihan, Justinas Rumbutis, Chris D. White   +4 more
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Energy of sections of the Deligne–Hitchin twistor space [PDF]

Mathematische Annalen, 2019
We study a natural functional on the space of holomorphic sections of the Deligne–Hitchin moduli space of a compact Riemann surface, generalizing the energy of equivariant harmonic maps corresponding to twistor lines.
Florian Beck, Sebastian Heller, Markus Roeser   +2 more
semanticscholar   +1 more source

The celestial chiral algebra of self-dual gravity on Eguchi-Hanson space

Journal of High Energy Physics, 2023
We consider the twistor description of classical self-dual Einstein gravity in the presence of a defect operator wrapping a certain ℂℙ1. The backreaction of this defect deforms the flat twistor space to that of Eguchi-Hanson space.
Roland Bittleston, Simon Heuveline, David Skinner   +2 more
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A twistorial description of the IKKT-matrix model

Journal of High Energy Physics, 2022
We consider the fuzzy 4-sphere S N 4 $$ {S}_N^4 $$ as a background in the IKKT matrix model, and explore the relation between S N 4 $$ {S}_N^4 $$ and fuzzy twistor space in the semi-classical limit.
Harold C. Steinacker, Tung Tran
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Twistor space, Minkowski space and the conformal group [PDF]

, 1983
It is shown that the conformal group of compactified Minkowski space is isomorphic to a group of rays of semilinear transformations of twistor space.
Broek, P.M. van den
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On form factors and correlation functions in twistor space [PDF]

Journal of High Energy Physics, 2016
In this paper, we continue our study of form factors and correlation functions of gauge-invariant local composite operators in the twistor-space formulation of N=4\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage ...
Laura Koster, V. Mitev, M. Staudacher, M. Wilhelm   +3 more
semanticscholar   +1 more source

Twistor spaces for HKT manifolds [PDF]

, 1996
We construct the twistor space associated with an HKT manifold, that is, a hyper-K\"ahler manifold with torsion, a type of geometry that arises as the target space geometry in two-dimensional sigma models with (4,0) supersymmetry.
Bonneau, Callan, Delduc, Delduc, G. Papadopoulos, Gates, Gibbons, Gibbons, Hitchin, Howe, Howe, Howe, Howe, Howe, Howe, Hull, Ivanov, Ivanov, P.S. Howe, Papadopoulos, Rossly, Salamon, Salamon, Sen, Spindel, Spindel, Tseytlin   +26 more
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Twistor constructions for higher-spin extensions of (self-dual) Yang-Mills

Journal of High Energy Physics, 2021
We present the inverse Penrose transform (the map from spacetime to twistor space) for self-dual Yang-Mills (SDYM) and its higher-spin extensions on a flat background.
Tung Tran
doaj   +1 more source

Loops in Twistor Space [PDF]

, 2004
We elucidate the one-loop twistor-space structure corresponding to momentum-space MHV diagrams. We also discuss the infrared divergences, and argue that only a limited set of MHV diagrams contain them.
A. Berends, A. Brandhuber, A. Erdélyi, D. C. Dunbar, David A. Kosower, E. Witten, F. Cachazo, F. Cachazo, F. Cachazo, G. Georgiou, G. Georgiou, Iosif Bena, J. B. Wu, J. B. Wu, M. Lou, N. Berkovits, R. Roiban, Radu Roiban, Z. Bern, Z. Bern, Z. Bern, Z. Bern, Z. Bern, Z. Bern, Z. Kunszt, Zvi Bern   +25 more
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