Built on

A. G. Cohen, G. W. Moore, P. C. Nelson, and J. Polchinski, “An Off-Shell Propagator for String Theory,” Nucl.Phys
1986
Earlier work this paper cites.
D. J. Gross and P. F. Mende, “The High-Energy Behavior of String Scattering Amplitudes,” Phys.Lett
1987
Earlier work this paper cites.
E. D’Hoker and D. Phong, “The Geometry of String Perturbation Theory,” Rev.Mod.Phys
1988
Earlier work this paper cites.
E. D’Hoker and D. Phong, “Conformal Scalar Fields and Chiral Splitting on Superriemann Surfaces,” Commun.Math.Phys
1989
Earlier work this paper cites.
J. Polchinski, “String theory, vols. 1 and 2,” Cambridge, UK: Univ. Pr
1998
Earlier work this paper cites.
E. Witten, “Perturbative gauge theory as a string theory in twistor space,” Commun.Math.Phys
2004
Earlier work this paper cites.
P. Caputa and S. Hirano, “Observations on Open and Closed String Scattering Amplitudes at High Energies,” JHEP
Original
2012
Earlier work this paper cites.

Similar

P. Caputa, “Lightlike contours with fermions,” Phys.Lett
Original
2012
Cited alongside, same era.
L. Mason and D. Skinner, “Ambitwistor strings and the scattering equations,” JHEP
Original
2014
Cited alongside, same era.
F. Cachazo, S. He, and E. Y. Yuan, “Scattering of Massless Particles in Arbitrary Dimensions,” Phys.Rev.Lett
Original
2014
Cited alongside, same era.
F. Cachazo, S. He, and E. Y. Yuan, “Scattering of Massless Particles: Scalars, Gluons and Gravitons,” JHEP
Original
2014
Cited alongside, same era.
F. Cachazo, S. He, and E. Y. Yuan, “Scattering equations and Kawai-Lewellen-Tye orthogonality,” Phys.Rev
Original

Then

N. Berkovits, “Infinite Tension Limit of the Pure Spinor Superstring,” JHEP
Original
2014
Later among the works it cites.
Y. Geyer, A. E. Lipstein, and L. J. Mason, “Ambitwistor Strings in Four Dimensions,” Phys.Rev.Lett
Original
2014
Later among the works it cites.
T. Adamo, “Worldsheet factorization for twistor-strings,” JHEP
Original
2014
Later among the works it cites.
N. E. J. Bjerrum-Bohr, P. H. Damgaard, P. Tourkine, and P. Vanhove, “Scattering Equations and String Theory Amplitudes,” Phys.Rev
Original
2014
Later among the works it cites.
Y. Geyer, A. E. Lipstein, and L. Mason, “Ambitwistor strings at null infinity and (subleading) soft limits,” Class.Quant.Grav
Original

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2015

Worldsheet Geometries of Ambitwistor String

Ohmori, Kantaro

Understand

Mason and Skinner proposed the ambitwistor string theory which directly reproduces the formulas for the amplitudes of massless particles proposed by Cachazo, He and Yuan.

In this paper we discuss geometries of the moduli space of worldsheets associated to the bosonic or the RNS ambitwistor string.
Further, we investigate the factorization properties of the amplitudes when an internal momentum is near on-shell in the abstract CFT language.
Along the way, we propose the existence of the ambitwistor strings with three or four fermionic worldsheet currents.

Built on

A. G. Cohen, G. W. Moore, P. C. Nelson, and J. Polchinski, “An Off-Shell Propagator for String Theory,” Nucl.Phys
1986
Earlier work this paper cites.
D. J. Gross and P. F. Mende, “The High-Energy Behavior of String Scattering Amplitudes,” Phys.Lett
1987
Earlier work this paper cites.
E. D’Hoker and D. Phong, “The Geometry of String Perturbation Theory,” Rev.Mod.Phys
1988
Earlier work this paper cites.
E. D’Hoker and D. Phong, “Conformal Scalar Fields and Chiral Splitting on Superriemann Surfaces,” Commun.Math.Phys
1989
Earlier work this paper cites.
J. Polchinski, “String theory, vols. 1 and 2,” Cambridge, UK: Univ. Pr
1998
Earlier work this paper cites.
E. Witten, “Perturbative gauge theory as a string theory in twistor space,” Commun.Math.Phys
2004
Earlier work this paper cites.
P. Caputa and S. Hirano, “Observations on Open and Closed String Scattering Amplitudes at High Energies,” JHEP
Original
2012
Earlier work this paper cites.