Results 31 to 40 of about 6,084,177 (345)
Heterotic twistor–string theory
Nuclear Physics B, 2008 We reformulate twistor-string theory as a heterotic string based on a twisted (0,2) model. The path integral localizes on holomorphic maps, while the (0,2) moduli naturally correspond to the states of N=4 super Yang-Mills and conformal supergravity under the Penrose transform. We show how the standard twistor-string formulae of scattering amplitudes as
Mason, L, Skinner, D
openaire +3 more sources
Twistor theory for co-CR quaternionic manifolds and related structures [PDF]
, 2011 In a general and non-metrical framework, we introduce the class of co-CR quaternionic manifolds, which contains the class of quaternionic manifolds, whilst in dimension three it particularizes to give the Einstein-Weyl spaces.
S. Marchiafava, R. Pantilie
semanticscholar +1 more source
Twistor Theory and the Harmonic Hull [PDF]
, 2013 We use twistor theory to identify the harmonic hull of an arbitrary connected open subset U of R^{2m} for m at least 2. It is the natural domain of analytic continuation in C^{2m} for harmonic functions on U.
Eastwood, Michael, Xu, Feng
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International Journal of Mathematics and Mathematical Sciences, 1986 We describe briefly the basic ideas and results of the twistor theory. The main points: twistor representation of Minkowsky space, Penrose correspondence and its geometrical properties, twistor interpretation of linear massless fields, Yang-Mills fields (
A. G. Sergeev
doaj +1 more source
The momentum amplituhedron of SYM and ABJM from twistor-string maps
Journal of High Energy Physics, 2022 We study remarkable connections between twistor-string formulas for tree amplitudes in N $$ \mathcal{N} $$ = 4 SYM and N $$ \mathcal{N} $$ = 6 ABJM, and the corresponding momentum amplituhedron in the kinematic space of D = 4 and D = 3, respectively ...
Song He, Chia-Kai Kuo, Yao-Qi Zhang
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Superspace Formulation of 4D Higher Spin Gauge Theory [PDF]
, 2002 Interacting AdS_4 higher spin gauge theories with N \geq 1 supersymmetry so far have been formulated as constrained systems of differential forms living in a twistor extension of 4D spacetime.
Bagger +23 more
core +3 more sources
The S-Matrix in Twistor Space [PDF]
, 2009 The simplicity and hidden symmetries of (Super) Yang-Mills and (Super)Gravity scattering amplitudes suggest the existence of a "weak-weak" dual formulation in which these structures are made manifest at the expense of manifest locality.
A Brandhuber +70 more
core +2 more sources
Split-quaternionic Hopf map, quantum Hall effect, and twistor theory [PDF]
, 2009 Introducing a noncompact version of the Hopf map, we demonstrate remarkable close relations between quantum Hall effect and twistor theory. We first construct quantum Hall effect on a hyperboloid based on the noncompact 2nd Hopf map of split-quaternions.
K. Hasebe
semanticscholar +1 more source
One-loop corrections to the celestial chiral algebra from Koszul Duality
Journal of High Energy Physics, 2023 We consider self-dual Yang-Mills theory (SDYM) in four dimensions and its lift to holomorphic BF theory on twistor space. Following the work of Costello and Paquette, we couple SDYM to a quartic axion field, which guarantees associativity of the ...
Víctor E. Fernández
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Philosophical Aspects of Astrobiology Revisited
Philosophies, 2021 Given the idea that Life as we know it is nothing but a special form of a generically underlying dynamical structure within the physical Universe, we try to introduce a concept of Life that is not only derived from first principles of fundamental physics,
Rainer E. Zimmermann
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