报告摘要:

Observing and clocking non-equilibrium electronic dynamics in real time has developed into one of the key areas of attosecond physics. Attosecond chronoscopy holds the promise to provide novel information on many-electron systems complementary to conventional spectroscopy. The timing of the photoelectric effect represents one of the first breakthroughs of attosecond chronoscopy. Its extension to condensed matter opens up new opportunities to explore electronic band structures and topology, electron transport, and decoherence. We will illustrate the timing of electronic processes with the help of a few recent prototypical examples. They include the Eisenbud-Wigner-Smith (EWS) time delays in atoms and molecules and transport time delay in layered materials, the influence of the collective screening response on electron timing, the quest for identifying the speed limit of optoelectronics, and timing of valleytronics in graphene.

报告人简介：

Joachim Burgdörfer是维也纳工业大学理论物理研究所教授，奥地利科学院院士、奥地利科学院通讯院士、美国物理学会会士、匈牙利厄缶物理学会名誉会员、匈牙利科学院名誉会员，曾荣获日本理化学研究所杰出科学家奖、校长研究与创意成就奖等。Burgdörfer教授的研究领域包括超强超短脉冲与原子、分子、表面及固体的相互作用，低维系统的结构与传输特性，带电粒子与物质相互作用，以及含时多体系统（含时密度泛函理论TDDFT和含时二体约化密度矩阵TD-2RDM）的理论模拟等。(450 publications, h-index 57, ~14000 citations.)

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