How is density matrix written in case.dmatup/dn? Is it written in the form <div>           &lt;l,-l|      &lt;l,-l+1|   |l,-l&gt;&lt;l,-l+2|.....</div><div><meta http-equiv="content-type" content="text/html; charset=utf-8">|l,-l&gt;</div>
<div>|l,-l+1&gt;</div><div>|l,-l+2&gt;</div><div>....</div><div><br></div>