Results 61 to 70 of about 4,907,574 (303)

A Direct Proof of BCFW Recursion for Twistor-Strings

, 2010
This paper gives a direct proof that the leading trace part of the genus zero twistor-string path integral obeys the BCFW recursion relation. This is the first complete proof that the twistor-string correctly computes all tree amplitudes in maximally ...
Skinner, David
core   +1 more source

Intermolecular Interactions as Driving Force of Increasing Multiphoton Absorption in a Perylene Diimide‐Based Coordination Polymer

Advanced Functional Materials, EarlyView.
This study uncovers the unexplored role of intermolecular interactions in multiphoton absorption in coordination polymers. By analyzing [Zn2tpda(DMA)2(DMF)0.3], it shows how the electronic coupling of the chromophores and confinement in the MOF enhance two‐and three‐photon absorption.
Simon Nicolas Deger, Anna Mauri, Yang Cui, Sebastian Josef Weishäupl, Ali Deniz Özdemir, Hamad Syed, Aleksandr Ovsianikov, Wolfgang Wenzel, Alexander Pöthig, Jürgen Hauer, Mariana Kozlowska, Roland Augustinus Fischer   +11 more
wiley   +1 more source

A new twist on spinning (A)dS correlators

Journal of High Energy Physics
Massless spinning correlators in cosmology are extremely complicated. In contrast, the scattering amplitudes of massless particles with spin are very simple.
Daniel Baumann, Grégoire Mathys, Guilherme L. Pimentel, Facundo Rost   +3 more
doaj   +1 more source

Model of massless relativistic particle with continuous spin and its twistorial description

Journal of High Energy Physics, 2018
We propose a new world-line Lagrangian model of the D= 4 massless relativistic particle with continuous spin and develop its twistorial formulation. The description uses two Penrose twistors subjected to four first class constraints.
I. L. Buchbinder, S. Fedoruk, A. P. Isaev, A. Rusnak   +3 more
doaj   +1 more source

Twistors, the ASD Yang-Mills equations and 4d Chern-Simons theory

Journal of High Energy Physics, 2023
We show that the approaches to integrable systems via 4d Chern-Simons theory and via symmetry reductions of the anti-self-dual Yang-Mills equations are closely related, at least classically.
Roland Bittleston, David Skinner
doaj   +1 more source

THE TWISTOR SPACE OF A QUATERNIONIC CONTACT MANIFOLD [PDF]

, 2010
We show that the Cauchy–Riemann structure on the twistor space of a quaternionic contact structure described by O. Biquard Biquard is normal if and only if the Ricci curvature of the Biquard connection commutes with the endomorphisms in the quaternionic ...
J. Davidov, S. Ivanov, I. Minchev
semanticscholar   +1 more source

Synchrotron Radiation for Quantum Technology

Advanced Functional Materials, EarlyView.
Materials and interfaces underpin quantum technologies, with synchrotron and FEL methods key to understanding and optimizing them. Advances span superconducting and semiconducting qubits, 2D materials, and topological systems, where strain, defects, and interfaces govern performance.
Oliver Rader, Sakura Pascarelli, Klaus Attenkofer, Anna A. Makarova, Karsten Holldack, Kai Rossnagel, Kristiaan Temst, George Kourousias, Stefano Carretta, Caterina Biscari, Helmut Dosch   +10 more
wiley   +1 more source

An Ode to the Penrose and Witten transforms in twistor space for 3D CFT

Journal of High Energy Physics
Here we discuss the construction of Sp(4; ℝ) invariant objects in the twistor space for three dimensional conformal field theories. The Sp(4; ℝ) invariant projective delta function, alongside the Twistor symplectic dot product invariants form the basis ...
Aswini Bala, Dhruva K. S
doaj   +1 more source

Notes on scattering amplitudes as differential forms

Journal of High Energy Physics, 2018
Inspired by the idea of viewing amplitudes in N = 4 $$ \mathcal{N}=4 $$ SYM as differential forms on momentum twistor space, we introduce differential forms on the space of spinor variables, which combine helicity amplitudes in any four-dimensional gauge
Song He, Chi Zhang
doaj   +1 more source

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
doaj   +1 more source