NCTS (South)


DATE2011-11-14

TIME12:00

PLACER49223, Second Physics Building , NCKU

FIELDQuantum Information Science

SPEAKER Prof. Lianao Wu - Department of Theoretical Physics and History of Science, The Basque Country University (EHU/UPV), Spain

TITLENondeterminstic ultrafast ground state cooling of a mechanical resonator

ABSTRACTWe present an ultrafast feasible scheme for ground state cooling of a mechanical resonator via repeated random time-interval measurements on an auxiliary flux qubit. We find that the ground state cooling can be achieved with several such measurements. The cooling efficiency hardly depends on the time-intervals between any two consecutive measurements. The scheme is also robust against environmental noises.