diff --git a/Manuscript/SRGGW.tex b/Manuscript/SRGGW.tex index d514b09..24464e0 100644 --- a/Manuscript/SRGGW.tex +++ b/Manuscript/SRGGW.tex @@ -302,8 +302,8 @@ where $\boldsymbol{\eta}(s)$, the flow generator, is defined as \begin{equation} \boldsymbol{\eta}(s) = \dv{\bU(s)}{s} \bU^\dag(s) = - \boldsymbol{\eta}^\dag(s). \end{equation} +The flow equation can then be approximately solved by introducing an approximate form of $\boldsymbol{\eta}(s)$. -The flow equation can be approximately solved by introducing an approximate form of $\boldsymbol{\eta}(s)$. In this work, we consider Wegner's canonical generator \cite{Wegner_1994} \begin{equation} \boldsymbol{\eta}^\text{W}(s) = \comm{\bH^\text{d}(s)}{\bH(s)} = \comm{\bH^\text{d}(s)}{\bH^\text{od}(s)}, @@ -414,7 +414,7 @@ Therefore, it is natural to define, within the SRG formalism, the diagonal and o \end{align} \end{subequations} where we omit the $s$ dependence of the matrices for the sake of brevity. -Then, the aim is to solve, order by order, the flow equation \eqref{eq:flowEquation} knowing that the initial conditions are +Then, our aim is to solve, order by order, the flow equation \eqref{eq:flowEquation} knowing that the initial conditions are \begin{subequations} \begin{align} \bHd{0}(0) & = \mqty( \bF & \bO \\ \bO & \bC ),