The double copy for heavy particles

Abstract

We show how to double-copy Heavy Quark Effective Theory (HQET) to Heavy Black Hole Effective Theory (HBET) for spin $s\le 1$. In particular, the double copy of spin-$s$ HQET with scalar QCD produces spin-$s$ HBET, while the double copy of spin-1/2 HQET with itself gives spin-1 HBET. Finally, we present novel all-order-in-mass Lagrangians for spin-1 heavy particles.

arXiv comment6 pages

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• Compton Black-Hole Scattering for $s\le 5/2$
• A worldsheet for Kerr
• The Sub-Leading Scattering Waveform from Amplitudes
• A new gauge-invariant double copy for heavy-mass effective theory
• Tidal effects in quantum field theory
• Classical Solutions and their Double Copy in Split Signature
• Mining the Geodesic Equation for Scattering Data
• Resummed spinning waveforms from five-point amplitudes
• Classical Yang-Mills observables from amplitudes
• Tidal effects for spinning particles
• Gravitational shock waves and scattering amplitudes
• Scattering Angles in Kerr Metrics
• Classical Limit of Higher-Spin String Amplitudes
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• Geodesics From Classical Double Copy
• Scattering of Gravitons and Spinning Massive States from Compact Numerators
• Charged test-particle scattering and effective one-body metrics with spin
• Waveforms from Amplitudes
• Classical Observables using Exponentiated Spin factors: Electromagnetic Scattering
• Next-to-MHV Yang-Mills kinematic algebra
• Classical gravitational scattering from a gauge-invariant double copy
• BCJ Amplitude Relations for Anti-de Sitter Boundary Correlators in Embedding Space
• Yang-Mills observables: from KMOC to eikonal through EFT
• The seeds of EFT double copy
• NS-NS Spacetimes from Amplitudes