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University of Cambridge > Talks.cam > Theory of Condensed Matter > Polarons: from models to materials to quantum simulation
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If you have a question about this talk, please contact Dr G Moller. I will start with a brief introduction on the common electron-phonon coupling mechanisms that may bring about polaronic behavior, focusing on the conditions for the existence of small polarons. In the second part of the talk, an example of a nonanalytic behaviour resulting from Peierls-type (SSH) electron-phonon coupling will be presented, thus breaking the long-held belief that polaron models never show sharp transitions. To illustrate the notion that polaronic carriers are not so commonly found in real materials, the results will be presented of a recent study in which we showed that—contrary to what is often assumed—charge carriers in crystalline organic semiconductors are not polarons. Finally, I will discuss some basic aspects of our recently proposed quantum simulation of small Holstein polaron formation using trapped ions. This talk is part of the Theory of Condensed Matter series. This talk is included in these lists:
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