Dear ALPS developers and users,<br>in considering a periodic spin system, is there a way in ALPS to fix the total momentum from the beginning, or measure it?<br><br><br>Many thanks.<br>Kindest regards.<br clear="all"><br>-- <br>
Emanuele Levi<br><br><a href="mailto:emanuele.levi@gmail.com" target="_blank">emanuele.levi@gmail.com</a><br><br>