理論セミナー/Dr. S.Tsutsui

  • 分類 理論セミナー
  • 開始 2016/10/13(木)13:30
  • 終了 2016/10/13(木)14:30
  • 会場 研究本館1階 会議室1
  • 講演タイトル Improvement in complex Langevin dynamics from a view point of Lefschetz thimble (in English)
  • 講演者 Dr. Shoichiro Tsutsui (Department of Physics, Kyoto University)
  • 言語 英語/English
  • 連絡先 鎌野(kamano-AT-post.kek.jp)
  • ウェブサイト
  • 食堂・売店 利用予定なし/0

概要

We develop a way of improving complex Langevin dynamics motivated by the Lefschetz-thimble decomposition of integrals. In this talk, we consider the cosine model which has a global sign problem due to its multi-thimble structure. We show that the toy model can be modified so that the new model consists of a single Lefschetz thimble and the configurations sampled by the improved complex Langevin process are distributed around on the thimble.

Reference:
S. T. and T. M. Doi, (arXiv:1508.04231) To be published in PRD.