<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><span style="font-size: 14px; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class="">Dear professors,</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><font color="#000000" class=""><span style="caret-color: rgb(0, 0, 0); font-size: 14px;" class=""> I used wannier90 to fit the energy band of a system, and the result was very good, Wannier function is also localized. But I found that the transition matrix of the orbital between the two atoms which is given by wannier90_hr.dat is not Hermitian. Excuse me, why is this? And what should I do?</span></font><div class=""><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><font color="#000000" class=""><span style="caret-color: rgb(0, 0, 0);" class="">Look forward to your reply.</span></font></div><div class=""><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><span style="font-size: 14px; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class="">Best，</span><br style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><span style="font-size: 14px; caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class="">Lithium</span></div></body></html>