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报告题目：Conservation laws and cascade processes in chiral transport phenomena

报告嘉宾：Kohei Kamada，国科大杭州高等研究院 副研究员

报告时间：2026年5月19日 16:00

报告地点：吉林大学中心校区物理楼333会议室

主持人：松崎真也

报告摘要

　　One of the interesting aspects of transport phenomena is that they can induce turbulence in non-linear system. In turbulent systems, energy and other charges are transported to different length scales. Usually, energy is transferred from large scales to smaller scales, called a "direct cascade". In the presence of the conserved charges, however, energy and charges can also be transferred from small scales to larger scales, called an "inverse cascade".

　　In this talk, I will explain how the chiral transport phenomena induce turbulence and inverse cascade processes. I will also show that not only conventional conserved charges but also those associated with higher-form symmetries can also drive such processes. Application to the early Universe cosmology will also be discussed.

嘉宾简介

　　Kohei Kamada is a distinguished researcher at Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences. He received his Ph.D from the University of Tokyo in 2011 and has worked at Deutsches Elektronen-Synchrotron (DESY), Ecole Polytechnique Fédérale de Lausanne (EPFL), Arizona State University, and Institute for Basic Science as a postdoc. From 2018 to 2023, he has worked at the University of Tokyo as an Assistant Professor before joining HIAS. His research interest centers on the early Universe cosmology and particle phenomenology. His main works include theoretical consistency of Higgs inflation and baryogenesis from magnetic fields. He is also known as his work on the chiral effects in cosmology. He has published tons of paper in PRL, PRD, JHEP, and so on.

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吉林大学理论物理中心