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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 Equations and Matrices: From Einstein To Yang-Mills, DBI and NLSM", JHEP 1507 (2015) 149, arXiv: 1412.3479 [hep-th].
  • Freddy Cachazo, Song He, Ellis Ye Yuan, "Einstein-Yang-Mills Amplitudes from Scattering Equations", JHEP 1501 (2015) 121, arXiv: 1409.8256 [hep-th].
  • Yuntao Bai, Song He, "The Amplituhedron from Momentum Twistor Diagrams", JHEP 1502 (2015) 065, 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", JHEP 1412 (2014) 115, arXiv: 1405.1410 [hep-th].
  • 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 Equations and KLT Orthogonality", Phys. Rev. D 90, 065001 (2014), arXiv: 1306.6575 [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].
  • 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]
  • Song He, Ricardo Monteiro, Oliver Schlotterer, "String-inspired BCJ numerators for one-loop MHV amplitudes", arXiv: 1507.06288 [hep-th].
  • Freddy Cachazo, Song He, Ellis Ye Yuan, "New Double Soft Emission Theorems", arXiv: 1503.04816 [hep-th].

Seminars

  • Loop-level Color-kinematics Duality from String Theory, "Hidden symmetries and integrability method in N=4 SYM", CRM Montreal
  • S-Matrices from Riemann Spheres, Albert Einstein Institute; Humboldt University of Berlin
  • Lectures on Scattering Amplitudes, International Max-Planck Research School, Humboldt University of Berlin
  • Scattering Equations and Matrices: from Einstein-Yang-Mills to DBI, Institute for Advanced Study; Johns-Hopkins University
  • The Amplituhedron from New On-shell Diagrams, workshop "Grassmannian Geometry of Scatteirng Amplitudes", Caltech
  • Scattering Amplitudes of Massless Particles, Taiwan string workshop, Taipei; NBI, Copenhagen; MPP, Munich; Caltech
  • Scattering of Massless Particles, "Mathematics and Physics of Scatteirng 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
  • PIRSA:15070056, Amplitudes: Applications, 2015-07-17, 2015 Tri-Institute Summer School on Elementary Particles
  • PIRSA:15070052, Amplitudes: Soft Theorems, 2015-07-16, 2015 Tri-Institute Summer School on Elementary Particles
  • PIRSA:15070047, Amplitudes: Reformulation of Feynman diagrams , 2015-07-15, 2015 Tri-Institute Summer School on Elementary Particles
  • PIRSA:15070042, Amplitudes: Amplitudes in Yang-Mills , 2015-07-14, 2015 Tri-Institute Summer School on Elementary Particles
  • PIRSA:15070036, Amplitudes: Introduction and Motivation, 2015-07-13, 2015 Tri-Institute Summer School on Elementary Particles
  • Yangian-symmetry equations in N=4 SYM, "Flux Tubes" workshop
  • PIRSA:15040139, Scattering Matrices of Massless Particles, 2015-04-02, Quantum Gravity
  • Scattering of Massless Paricles in Arbitrary Dimension, PI String Group Meeting