兰州大学110周年校庆年系列活动之“九章讲坛”第三十四讲——熊大兴教授

日期: 2018-12-04 阅读: 来源: 关键词:

应数学与统计学院邓伟华教授的邀请,福州大学物理与信息工程学院物理学系熊大兴教授于2018年12月6日至12月9访问兰州大学,期间将举办专题学术报告。

报告题目:Using Hilbert transform and classical chains to simulate quantum walks: A quantum perspective to understand ballistic thermal transport
  时间:2018年12月8日 14: 30
  地点:齐云楼911教室

报告摘要:

In this work we report a classical simulation strategy that we have proposed recently used to simulate quantum dynamics, in particular quantum walks. This strategy is based on a classical device of linearly coupled chain of springs together with the technique of Hilbert transform. Through this strategy, we obtain the quantum wave function from the classical evolution. Specially, this goal is achieved with the classical momenta of the particles on the chain and their Hilbert transform, from which we construct the many-body momentum and Hilbert transformed momentum pair correlation functions yielding the real and imaginary parts of the wave function, respectively. With such a wave function, we show that the classical chain’s energy and heat spreading densities can be related to the wave function’s modulus square. This relation provides a particular perspective from quantum aspects to understand ballistic energy and heat transport.

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报告人简介:

熊大兴,福州大学物理与信息工程学院物理学系教授,博士生导师。主要研究领域为统计物理学与复杂系统,研究方向涉及低维系统热输运理论、神经网络的设计及相关动力学性质,正主持(完成)包括国家自然科学基金面上项目、福建省自然科学基金杰出青年基金、福州大学旗山学者等多个科研项目,入选福建省第三批特支双百计划青年拔尖人才。以主要作者在国际SCI期刊Physical Review E、EPL、JSTAT、Journal of Physics A等发表近20篇学术论文。

甘肃省高校应用数学与复杂系统省级重点实验室
数学与统计学院
萃英学院
二〇一八年十二月四日

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