Bang-Bang refocusing of a qubit exposed to telegraph noise
classification
❄️ cond-mat.mes-hall
cond-mat.supr-con
keywords
bang-bangnoisepulsesqubitrefocusingtelegraphallowsanalysis
read the original abstract
We investigate the decoherence effect of telegraph noise on a single qubit, usually provoked by bistable fluctuators. To diminish the dephasing and relaxation impact an effective refocusing scheme (so-called Bang-Bang pulses) is proposed. Detailed numerical as well as analytical random walk analysis allows in particular to evaluate the applicability of non-perfect Bang-Bang pulses.
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