<DIV><SPAN style="FONT-FAMILY: 'Times New Roman','serif'; COLOR: black; FONT-SIZE: 12pt; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 14.7pt; MARGIN: 0cm 0cm 0pt; BACKGROUND: white; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 'Times New Roman','serif'; COLOR: black; FONT-SIZE: 12pt; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>Dear all,</SPAN></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 14.7pt; MARGIN: 0cm 0cm 0pt; BACKGROUND: white; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 'Times New Roman','serif'; COLOR: black; FONT-SIZE: 12pt; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN> </P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 14.7pt; MARGIN: 0cm 0cm 0pt; BACKGROUND: white; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 'Times New Roman','serif'; COLOR: black; FONT-SIZE: 12pt; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>Is there a way to constrain or keep the direction of magnetic moment with up spin of some atoms in my system, if there is and how to fix it. I have read the instructions of constrained_magnetization variable, but do not find a solution.<o:p></o:p></SPAN></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 14.7pt; MARGIN: 0cm 0cm 0pt; BACKGROUND: white; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 'Times New Roman','serif'; COLOR: black; FONT-SIZE: 12pt; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US><o:p> </o:p></SPAN></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 14.7pt; MARGIN: 0cm 0cm 0pt; BACKGROUND: white; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 'Times New Roman','serif'; COLOR: black; FONT-SIZE: 12pt; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>Any the suggestion is highly appreciated.<o:p></o:p></SPAN></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 14.7pt; MARGIN: 0cm 0cm 0pt; BACKGROUND: white; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 'Times New Roman','serif'; COLOR: black; FONT-SIZE: 12pt; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US><o:p> </o:p></SPAN></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 14.7pt; MARGIN: 0cm 0cm 0pt; BACKGROUND: white; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 'Times New Roman','serif'; COLOR: black; FONT-SIZE: 12pt; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>Evan<o:p></o:p></SPAN></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 14.7pt; MARGIN: 0cm 0cm 0pt; BACKGROUND: white; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left><SPAN style="FONT-FAMILY: 'Times New Roman','serif'; COLOR: black; FONT-SIZE: 12pt; mso-fareast-font-family: 宋体; mso-font-kerning: 0pt" lang=EN-US>USC, China<o:p></o:p></SPAN></P>
<P style="TEXT-ALIGN: left; LINE-HEIGHT: 14.7pt; MARGIN: 0cm 0cm 0pt; BACKGROUND: white; mso-pagination: widow-orphan; tab-stops: 45.8pt 91.6pt 137.4pt 183.2pt 229.0pt 274.8pt 320.6pt 366.4pt 412.2pt 458.0pt 503.8pt 549.6pt 595.4pt 641.2pt 687.0pt 732.8pt" class=MsoNormal align=left></SPAN> </P></DIV><br>