A pure spinor twistor description of the D = 10 superparticle

Sepúlveda, Diego García; Guillen, Max

doi:10.1007/jhep08(2020)130

Cited by 6 publications

(5 citation statements)

References 29 publications

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“…This was elevated to an ambitwistor string in [44,45]. In 10d it is natural also to represent null geodesics as intersections of pairs of α-planes, and a model based on two pure supertwistors was proposed in [46]. Given the parallels between conventional strings and ambitwistor strings, another area of investigation is to find twistorial representations of the standard superstring; work in this direction appears in [47][48][49][50].…”

Section: Discussionmentioning

confidence: 99%

Ambitwistor strings in six and five dimensions

Geyer

Mason

Skinner

2021

J. High Energ. Phys.

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Ambitwistor strings are chiral (holomorphic) strings whose target is the space of complex null geodesics, ambitwistor space. We introduce twistor representations of ambitwistor space in 6 and 5 dimensions. In 6d the twistor representation is naturally conformally invariant. Anomaly cancellation leads to models that describe biadjoint scalar amplitudes and certain conformally invariant gauge and gravity theories, respectively of 4th and 6th order. There are three such models, reflecting triality for the conformal group SO(8) associated to these 6d models. On reduction to five dimensions, gauge anomaly cancellation requires supersymmetry and the resulting models describe maximally supersymmetric Yang-Mills and gravity. The twistor representation of these ambitwistor strings lead to formulæ for maximally supersymmetric gauge and gravity amplitudes based on the polarized scattering equations in 5d, found earlier by the first two authors.

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Section: Discussionmentioning

confidence: 99%

Ambitwistor strings in six and five dimensions

Geyer

Mason

Skinner

2021

J. High Energ. Phys.

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“…It is also worthy pointing out that the simplified version of the 10D b-ghost has been found to be related to a twistorial formulation of 10D super-Yang-Mills using pure spinor variables [36][37][38]. This framework was showed to be equivalent to the supertwistor description of ambitwistor strings presented in [39].…”

Section: Discussionmentioning

confidence: 92%

Taming the 11D pure spinor b-ghost

Guillen

2023

J. High Energ. Phys.

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We provide an alternative compact expression for the 11D pure spinor b-ghost by introducing a new set of negative ghost number operators made out of non-minimal pure spinor variables. Using the algebraic properties satisfied by these operators, it will be straightforwardly shown that $$ \left\{Q,b\right\}=\frac{P^2}{2} $$ Q b = P 2 2 , as well as {b, b} = QΩ. As an application of this novel formulation, the ghost number two vertex operator will easily be obtained in a completely covariant manner from a standard descent relation, the ghost number three vertex operator will be shown to satisfy the generalized Siegel gauge condition, and the 11D supergravity two-particle superfield will be constructed in a quite simple way.

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“…Familia 1: Percepciones positivas La primera experiencia que se aprecia es el gusto hacia los juegos lúdicos, la cual es una constante que se presenta en toda la muestra, esto se debe a que el juego produce placer en el infante … porque mientras juegan satisfacen su curiosidad sobre el mundo que les rodea; porque se sienten activos, capaces y protagonistas, al ser ellos quienes deciden jugar o no y a qué jugar; porque experimentan y ponen en práctica su fuerza, sus habilidades, su imaginación, su inteligencia, sus emociones y sus afectos" (Sepúlveda, 2020).…”

Section: Resultsunclassified

Comprendiendo las experiencias de juegos lúdicos en niños de cinco años en una institución educativa de Antioquia, Colombia

Padilla

Andrade

2022

Rev. estudios psicol.

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Los juegos lúdicos es un tema muy interesante, debido a su importancia en el desarrollo social y cognitivo en la sociedad actual. Este estudio busca comprender las experiencias de niños de 5 años en una institución educativa de Antioquia, Colombia. Se utilizó una metodología de tipo cualitativa fenomenológica, se recolectó la información a través de la entrevista a profundidad, los datos se analizaron por medio de codificación abierta y axial finalizando con conclusiones y discusiones. Se concluyó que los niños sienten un gusto importante hacia los juegos lúdicos y su uso es de manera constante en el contexto escolar.

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A pure spinor twistor description of the D = 10 superparticle

Cited by 6 publications

References 29 publications

Ambitwistor strings in six and five dimensions

Ambitwistor strings in six and five dimensions

Taming the 11D pure spinor b-ghost

Comprendiendo las experiencias de juegos lúdicos en niños de cinco años en una institución educativa de Antioquia, Colombia

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