Results 21 to 30 of about 10,573 (294)
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
Perturbative Gravity and Twistor Space [PDF]
Nuclear Physics B - Proceedings Supplements, 2006 Talk presented by N. E. J.
Bjerrum-Bohr, N. E. J. +2 more
openaire +6 more sources
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 +2 more
doaj +1 more source
Complex Multiplication in Twistor Spaces [PDF]
International Mathematics Research Notices, 2020 AbstractDespite the transcendental nature of the twistor construction, the algebraic fibres of the twistor space of a K3 surface share certain arithmetic properties. We prove that for a polarised K3 surface with complex multiplication, all algebraic fibres of its twistor space away from the equator have complex multiplication as well.
openaire +3 more sources
Degenerations of LeBrun Twistor Spaces [PDF]
Communications in Mathematical Physics, 2010 We investigate various limits of the twistor spaces associated to the self-dual metrics on n CP ^2, the connected sum of the complex projective planes, constructed by C. LeBrun. In particular, we explicitly present the following 3 kinds of degenerations whose limits of the metrics are: (a) LeBrun metrics on (n-1) CP ^2$, (b) (Another) LeBrun metrics on
Nobuhiro Honda, Nobuhiro Honda
openaire +3 more sources
Twistor Space for Rolling Bodies [PDF]
Communications in Mathematical Physics, 2013 On a natural circle bundle T(M) over a 4-dimensional manifold M equipped with a split signature metric g, whose fibers are real totally null selfdual 2-planes, we consider a tautological rank 2 distribution D obtained by lifting each totally null plane horizontally to its point in the fiber.
Pawel Nurowski, Daniel An
openaire +3 more sources
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
doaj +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 +26 more
core +2 more sources
Alternative formulations of the twistor double copy
Journal of High Energy Physics, 2022 The classical double copy relating exact solutions of biadjoint scalar, gauge and gravity theories continues to receive widespread attention. Recently, a derivation of the exact classical double copy was presented, using ideas from twistor theory, in ...
Erick Chacón +2 more
doaj +1 more source
Twistor formulation of massless 6D infinite spin fields
Nuclear Physics B, 2021 We construct massless infinite spin irreducible representations of the six-dimensional Poincaré group in the space of fields depending on twistor variables. It is shown that the massless infinite spin representation is realized on the two-twistor fields.
I.L. Buchbinder +2 more
doaj