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1. Manifestly soft gauge invariant formulation of vNRQCD / Rothstein, Ira Z. ; Shrivastava, Prashant ; Stewart, Iain W.
Homogeneous power counting in Non-Relativistic QCD (NRQCD) implies the simultaneous existence of both soft and ultrasoft gluons. [...]
Published in Nuclear Physics B (2019) 10.1016/j.nuclphysb.2018.12.027
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2. From Scattering Amplitudes to Classical Potentials in the Post-Minkowskian Expansion / Cheung, Clifford ; Rothstein, Ira Z. ; Solon, Mikhail P.
We combine tools from effective field theory and generalized unitarity to construct a map between on-shell scattering amplitudes and the classical potential for interacting spinless particles. [...]
Published in Physical Review Letters 121 (2018) 10.1103/PhysRevLett.121.251101 arXiv:1808.02489
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5 Rothstein, Ira
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