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.

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