code class="code docutils literal notranslate"><span class="pre">n_&lt;n&gt;</span></code> - Imaginary part of <span class="math notranslate nohighlight">\(\widetilde{u}_\mathbf{G}\)</span> for the state <code class="code docutils literal notranslate"><span class="pre">&lt;n&gt;</span></code>, <span class="math notranslate nohighlight">\(1 \leq \langle n \rangle \leq N\)</span>. Spin components can be specified by increasing the second dimension of this dataset to 2, i.e., <span class="math notranslate nohi