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SUMMARY:From Phonon- Backaction and -Interference in Quantum Dot Circuits 
 to the Single Phonon Detector - Dr Stefan Ludwig LMU Munich
DTSTART:20131105T141500Z
DTEND:20131105T151500Z
UID:TALK48778@talks.cam.ac.uk
CONTACT:Emily Heavens
DESCRIPTION:Electron-phonon interaction is often neglected in nanoelectron
 ics\, even though the nanostructures are usually embedded in solids with s
 izable electron-phonon coupling tensors. In this talk I will present a seq
 uence of experiments in GaAs-based heterostructures which demonstrate poss
 ible ways of how phonons affect the functionality of nanoelectronic device
 s. My special focus will be on phonon-mediated interaction effects in quan
 tum dot based qubits including detector backaction and interference in pho
 non absorption. Finally\, I will demonstrate the capability of coupled qua
 ntum dot systems as single phonon detectors.\n\nrelated publications:\n[1]
           Nature Phys. 8\, 522 (2012)\n[2]          Phys. Rev. Lett. 104\,
  196801 (2010) \n[3]          Phys. Rev. Lett. 102\, 186801 (2009)\n[4]   
        Phys. Rev. Lett. 99\, 096803 (2007)\n[5]          Phys. Rev. Lett. 
 97\, 176803 (2006)\n
LOCATION:Microelectronics Research Centre (MRC) Seminar Room\, Cavendish L
 aboratory\, Department of Physics
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