Topological Equivalence Theorem and Double-Copy for Chern–Simons Scattering Amplitudes
1Tsung-Dao Lee Institute and School of Physics and Astronomy, Key Laboratory for Particle Astrophysics and Cosmology (MOE), Shanghai Key Laboratory for Particle Physics and Cosmology, Shanghai Jiao Tong University, Shanghai, China.
2Department of Physics and Institute of Modern Physics, Tsinghua University, Beijing, China.
3Center for High Energy Physics, Peking University, Beijing, China.
4Fields and Strings Laboratory, Institute of Physics, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland.
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