RIBF Nuclear Physics Seminar

Impurity physics of heavy flavor in quark matter at low temperature and high density — QCD Kondo effect —

Tuesday, 23 January 2018 from to (Asia/Tokyo)
at RIBF Hall ( 201 )
Description =Date and Time=
Jan.23rd(Tue.), 13:30~ at RIBF Hall

=Lecturer=
Prof.Shigehiro Yasui
(School of Science, Tokyo Institute of Technology)

=Title=
Impurity physics of heavy flavor in quark matter at low temperature and high density — QCD Kondo effect —

=Abstract=

QCD相図において、近年の重イオン加速器実験によって高温におけるクォークグルーオンプラズマが盛んに研究されている一方で、低温高密度のクォーク物質の本質的な理解はあまり進んでいない。本講演では重いフレーバーに着目して、クォーク物質において重いクォークが不純物として果たす役割が何かについて考える。物性論で知られている近藤効果に類似的な現象として「QCD近藤効果」を議論する。近藤効果の基本の整理から始めて最近のQCD近藤効果の話題について紹介する。

In the QCD phase diagram, the quark-gluon plasma at high temperature is studied in the relativistic heavy ion collisions, while the quark matter at low temperature and at high baryon number density has not been studied extensively yet. In this seminar, focusing on the heavy flavor, we consider the role of the heavy quark as an impurity particle in quark matter. We investigate the “QCD Kondo effect” which is an analogous phenomena to the Kondo effect in condensed matter physics. We review the basics of the Kondo effect and introduce the recent development in the study of the QCD Kondo effect.

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