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Reference.org
Reversible reference system propagation algorithm
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<p>Reversible reference system propagation algorithm (r-RESPA) is a <a href="/facts/Time_stepping/rbrYBco3">time stepping</a> <a href="/facts/Algorithm/fnl5NmRt">algorithm</a> used in <a href="/facts/Molecular_dynamics/yR3DNt6U">molecular dynamics</a>. </p><p>It evolves the system state over time, </p> Γ ( t ) = e i L t Γ ( t = 0 ) {\displaystyle \Gamma (t)=e^{iLt}\Gamma (t=0)\,} <p>where the <i>L</i> is the <a href="/facts/Liouville_operator/N0AlEdgf">Liouville operator</a>. </p>