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Song He

Portrait de Song He
Phd: Peking University 2009

Areas of Research:
Phone: x7632

Research Interests

I am interested in Quantum Field Theory, String Theory and Quantum Gravity, especially in mathematical and physical aspects of scattering amplitudes, as well as integrability in gauge/string duality.

Positions Held

  • 2013-2014 Institute for Advanced Study, Postdoctoral Researcher
  • 2012-2013, 2014-2015 Perimeter Institute for Theoretical Physics, Postoctoral Researcher
  • 2009-2012 Max-Planck Institute for Gravitational Physics, Postdoctoral Researcher

Recent Publications

  • Freddy Cachazo, Song He, Ellis Ye Yuan, "Scattering of Massless Particles: Scalars, Gluons and Gravitons", JHEP 1407 (2014) 033, arXiv: 1309.0885 [hep-th].
  • Freddy Cachazo, Song He, Ellis Ye Yuan, "Scattering of Massless Particles in Arbitrary Dimension", Phys. Rev. Lett, arXiv: 1307.2199 [hep-th].
  • Freddy Cachazo, Song He, Ellis Ye Yuan, "Scattering in Three Dimensions from Rational Maps", JHEP 1310 (2013) 141, arXiv: 1306.2962 [hep-th].
  • Freddy Cachazo, Song He, Ellis Ye Yuan, "Scattering Equations and KLT Orthogonality", Phys. Rev. D 90, 065001 (2014), arXiv: 1306.6575 [hep-th].
  • Simon Caron-Huot, Song He, "Three-loop octagons and n-gons in maximally supersymmetric Yang-Mills theory", JHEP08 (2013) 101, arXiv: 1305.2781 [hep-th]
  • Yuntao Bai, Song He, "The Amplituhedron from Momentum Twistor Diagrams", arXiv: 1408.2459 [hep-th].
  • Massimo Bianchi, Song He, Yu-tin Huang, Congkao Wen, "More on Soft Theorems: Trees, Loops and Strings", arXiv: 1406.5155 [hep-th].
  • Song He, Yu-tin Huang, Congkao Wen, "Loop Corrections to Soft Theorems in Gauge Theories and Gravity", arXiv: 1405.1410 [hep-th].


  • Scattering Amplitudes of Massless Particles, Taiwan string workshop, Taipei; NBI, Copenhagen; MPP, Munich; Caltech
  • Scattering of Massless Particles, "Amplitudes" workshop at SCGP, Stony Brook
  • Lectures on New Formulations for Scattering of Massless Particles, Brown University
  • S-matrices of Massless Particles, HEP seminar, Institute for Advanced Study
  • Three-loop Octagons and n-gons in N=4 Super Yang-Mills, Humboldt University of Berlin
  • Gravitational Scattering Amplitudes, University of Michigan, Ann Arbor
  • Yangian Symmetry of Scattering Amplitudes in N=4 Super Yang-Mills, IGST 2012, ETH Zurich
  • Jumpstarting the All-loop S-matrix of Planar N=4 SYM, Queen-Mary, London
  • The All-loop S-matrix in Planar N=4 SYM, University of Oxford
  • Scattering of Massless Paricles in Arbitrary Dimension, PI String Group Meeting