Transport between fermionic superfluids: entropy, engineered dissipation and beyond

报告题目:Transport between fermionic superfluids: entropy, engineered dissipation and beyond

报告人:黄梦梓 博士(苏黎世联邦理工学院)

报告时间:2023年5月19日(周五)下午6:00

报告地点:光电所二层报告厅

报告摘要:  

Transport phenomena in superfluid systems have been extensively studied for decades, yet open questions remain especially in strongly interacting systems and in far-from-equilibrium settings. In this talk, I will focus on a cold-atom setup of two reservoirs connected by a mesoscopic channel, i.e., a quantum point contact. When the reservoirs are in the superfluid phase, a chemical potential bias induces a large and nonlinear particle current, characteristic of the presencesuperfluid behaviours. In the first part, I will show experiments revealing a surprising nature of this current by measuring the concurrent entropy transport and production. In the second part, I will talk about a new direction of engineering local particle dissipation inside the channel and observing its effect on the transport between superfluids.

报告人简介:  

黄梦梓,本科毕业于复旦大学,博士毕业于法国Sorbonne大学LKB实验室,从事光纤腔BEC中自旋压缩的实验研究工作。目前在苏黎世联邦理工学院Tilaman Essilinger研究组从事Li 6 microscopy的研究。