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Dynamical suppression of dephasing for Markov processes |
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| Authors: | Masashi Ban Sachiko Kitajima |
| Institution: | a Graduate School of Humanities and Sciences, Ochanomizu University, 2-1-1 Ohtsuka, Bunkyo-ku, Tokyo 112-8610, Japan b International Christian University, 3-10-2 Osawa, Mitaka, Tokyo 181-8585, Japan |
| Abstract: | It is shown that the dephasing of a qubit caused by a Markov process can be suppressed by a successive application of π-pulses if two-time conditional probability of the stochastic variable depends only on the time-difference. The several types of the π-pulse sequence are compared in the case of the two-state jump Markov process. |
| Keywords: | Dephasing Dynamical decoupling Markov process |
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