| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2011: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Research Abstract |
We characterized distributed quantum information processing in terms of nonlocality, complexity, causality and parallelizability. We developed a formulation for the network coding of quantum computation to efficiently perform multi-party distributed quantum computation that simultaneously implements quantum computation and communication. We analyzed the amount of nonlocal resource necessary to perform two-party distributed quantum computation. We proposed a method to perform measurement-base quantum computation using symmetry-breaking thermal states of a many-body system exhibiting a quantum phase transition. We analyzed a parallelizing mechanism and entanglement of measurement based quantum computation in terms of causal order relations. We also proposed a method to generate approximate random states using only diagonal quantum gates and analyzed nonlocal complexity of the method.
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