316 citations · 2.6k across the 39 of their papers we have counts for
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gr-qc2007★ 116 cited
The next-to-leading order gravitational spin(1)-spin(2) dynamics in Hamiltonian form
Jan Steinhoff, Steven Hergt, Gerhard Schäfer
Based on recent developments by the authors a next-to-leading order spin(1)-spin(2) Hamiltonian is derived for the first time. The result is obtained within the canonical formalism…
gr-qc2007★ 80 cited
Higher-order-in-spin interaction Hamiltonians for binary black holes from source terms of Kerr geometry in approximate ADM coordinates
Steven Hergt, Gerhard Schäfer
The Kerr metric outside the ergosphere is transformed into ADM coordinates up to the orders and , respectively in radial coordinate and reduced angular momentum va…