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Subleading soft theorem in arbitrary dimensions from scattering equations.

Burkhard U W Schwab1, Anastasia Volovich1

  • 1Department of Physics, Brown University, 182 Hope Street, Providence, Rhode Island 02912, USA.

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|September 20, 2014
PubMed
Summary
This summary is machine-generated.

We prove a universal behavior for Yang-Mills theory and gravity scattering amplitudes using the new soft graviton theorem and the Cachazo-He-Yuan formula.

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Area of Science:

  • Theoretical Physics
  • High Energy Physics
  • Quantum Field Theory

Background:

  • The soft graviton theorem describes the behavior of gravitational radiation at low energies.
  • Recent proposals have introduced new frameworks for understanding these theorems.

Purpose of the Study:

  • To investigate the novel soft graviton theorem proposed by Cachazo and Strominger.
  • To demonstrate the universality of this theorem in scattering amplitudes.

Main Methods:

  • Utilizing the Cachazo-He-Yuan (CHY) formula.
  • Analyzing tree-level scattering amplitudes in arbitrary dimensions.

Main Results:

  • Proved a universal behavior for scattering amplitudes in both Yang-Mills theory and gravity.
  • Confirmed the applicability of the new soft graviton theorem across different theories.

Conclusions:

  • The Cachazo-He-Yuan formula provides a powerful tool for proving universal properties of scattering amplitudes.
  • The soft graviton theorem exhibits consistent behavior in various quantum field theories.