Dephasing in open quantum dots

AG Huibers, M Switkes, CM Marcus, K Campman… - Physical review …, 1998 - APS
… electron phase coherence time τ φ in open ballistic GaAs quantum dots. Values for τ φ in the
… of dot area, and are not consistent with the τ φ∝ T− 2 behavior expected for isolated dots. …

Low-temperature saturation of the dephasing time and effects of microwave radiation on open quantum dots

AG Huibers, JA Folk, SR Patel, CM Marcus… - Physical Review Letters, 1999 - APS
dephasing in quantum dots ranging in size over a factor of 5, and observe a ATel 1 BT 2 el
dependence of the dephasing … applied to the dots appears to cause dephasing only by heating…

Dephasing times in closed quantum dots

E Eisenberg, K Held, BL Altshuler - Physical review letters, 2002 - APS
… We observe a clear enhancement of the dephasing times relative to earlier results for open
quantum dots [7]. Moreover, contrary to the analysis of open quantum dots [7] which showed …

Ligands slow down pure-dephasing in semiconductor quantum dots

J Liu, SV Kilina, S Tretiak, OV Prezhdo - ACS nano, 2015 - ACS Publications
… states forming quantum superposition that dephase due to … are mostly localized in the
quantum dot core. Moreover, the … optical phonons facilitate pure-dephasing in bare QDs, while …

Effect of electron interaction on statistics of conductance oscillations in open quantum dots: Does the dephasing time saturate?

S Ihnatsenka, IV Zozoulenko - Physical review letters, 2007 - APS
… -consistent quantum transport calculations in open quantum dots … of the coherence time
in open dots which is based on the … additional phenomenological channels of dephasing. …

Excitation, dynamics and dephasing in quantum dots

AM Stoneham, BA McKinnon - Journal of Physics: Condensed …, 1998 - iopscience.iop.org
… features of those quantum dots or clusters which comprise a few hundred atoms. Discussions
of quantum dots [1] or clusters in this size range sometimes regard the dot as a bulk solid …

Dephasing due to coupling to the external environment in open quantum-dot arrays

M Elhassan, JP Bird, R Akis, DK Ferry… - Journal of Physics …, 2005 - iopscience.iop.org
… at least, one might expect dephasing in quantum dots to arise … -dot interactions do not give
rise to dephasing [11], while experiments have shown that the dephasing time in open dots

Relaxation and dephasing of multiexcitons in semiconductor quantum dots

P Borri, W Langbein, S Schneider, U Woggon… - Physical Review Letters, 2002 - APS
… the dephasing time of ground-state excitonic transitions in InGaAs quantum dots under …
Electrical injection into the barrier region results in a pure dephasing of the excitonic transitions. …

Radiatively limited dephasing in InAs quantum dots

W Langbein, P Borri, U Woggon, V Stavarache… - Physical Review B …, 2004 - APS
… the dephasing time of the exciton ground-state transition in In1−xGaxAs quantum dots using
… We find experimental evidence that the dephasing time is given only by the radiative lifetime …

Long dephasing time and high-temperature conductance fluctuations in an open InGaAs quantum dot

B Hackens, F Delfosse, S Faniel, C Gustin, H Boutry… - Physical Review B, 2002 - APS
… Figure 4 also compares our data to the electron dephasing time in GaAs quantum dots.The …
of an open InGaAs quantum dot. We have also measured the electron dephasing time …