he-envelope-equation-for-an-elliptical-beam-with-focusing-elements">
<h2>Solution of the envelope equation for an elliptical beam with focusing elements<a class="headerlink" href="#Solution-of-the-envelope-equation-for-an-elliptical-beam-with-focusing-elements" title="Permalink to this headline">¶</a></h2>
<p>The envelope equation for an elliptical beam with half axes $ a, b $ with the Kapchinsky-Vladimirsky distribution with external focusing by linear fields:</p>
<div class="math notranslate nohighlight"