TU Berlin

Collaborative Research Center 910A7

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A7: Feedback control of coherent and collective quantum processes

Principal investigator:

PD Dr. Gernot Schaller



We will develop a theoretical description of delayed feedback control for quantum transport processes,
implement a microscopic analogon of coherent feedback control, and provide a thorough thermody-
namic interpretation of feedback in presence of quantum coherence. We will furthermore introduce
delayed feedback control for dissipative quantum phase transitions and study the phase diagram and the
appearance of quantum chaos in Dicke-Hepp-Lieb superradiance and other models.


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