In the approximately 30-minute interview, Puschnig introduces key ideas of quantum mechanics, such as wave functions, orbitals, and the photoelectric effect, and explains how these concepts form the basis of modern spectroscopic techniques. A central focus is time-resolved photoemission orbital tomography, a method that combines ultrashort laser pulses with photoelectron spectroscopy to capture snapshots of electronic orbitals on femtosecond and even attosecond time scales. The discussion also touches on current research efforts to visualize ultrafast charge-transfer processes in molecules relevant for organic electronics and solar energy conversion. The podcast provides an accessible bridge between textbook physics and cutting-edge research carried out at the University of Graz.
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