<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="margin: 0px; line-height: normal;" class="">Dear all (with apologies for cross-posting),</div><div style="margin: 0px; line-height: normal; min-height: 14px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal;" class="">We are continuing the philosophy of physics reading group in 2016 with a discussion of Haag’s Theorem in quantum field theory.</div><div style="margin: 0px; line-height: normal; min-height: 14px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal;" class="">In particular, we will be discussing Ed Seidewitz’s recent (and so far unchecked!) paper, in which he claims to have found a natural way to avoid Haag’s Theorem by introducing an external parameter to the quantum field.</div><div style="margin: 0px; line-height: normal; min-height: 14px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal;" class="">The paper is available at: <a href="http://arxiv.org/abs/1501.05658" class="">http://arxiv.org/abs/1501.05658</a></div><div style="margin: 0px; line-height: normal; min-height: 14px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal;" class="">I will briefly introduce the topic and the paper. We will meet in my office (room R131 in Ludwigstr. 31) at<b class=""> 18.00 ST on Tuesday 26th January</b>.</div><div style="margin: 0px; line-height: normal; min-height: 14px;" class=""><br class=""></div><div style="margin: 0px; line-height: normal;" class="">Very best,</div><div style="margin: 0px; line-height: normal;" class="">Adam</div></body></html>