Soonchil Lee

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We implemented the refined Deutsch-Jozsa algorithm on a three-bit nuclear magnetic resonance quantum computer. All of the balanced and constant functions were realized exactly. The results agree well with theoretical predictions and clearly distinguish the balanced functions from constant functions. Efficient refo-cusing schemes were proposed for the soft z(More)
Nuclear magnetic resonance (NMR) is a fundamental research tool that is widely used in many fields. Despite its powerful applications, unfortunately the low sensitivity of conventional NMR makes it difficult to study thin film or nano-sized samples. In this work, we report the first NMR spectrum obtained from general thin films by using magnetic resonance(More)
Identifying the Bloch sphere with the Riemann sphere(the extended complex plane), we obtain relations between single qubit unitary operations and Mo¨bius transformations on the extended complex plane. In the past ten years, there has been a growing interest in the theory of quantum computation and quantum information. ð1Þ Due to the quantum parallelism,(More)
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