| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Research Abstract |
In this research project, the relation between the sensitivity of parameter estimation used in quantum metrology and the uncertainties expressed by coherent quantum fluctuations was investigated based on recent advances in quantum tomography, quantum metrology, and weak measurements. The results indicate that a unified description in terms of complex joint probabilities greatly simplifies the analysis of sensitivities and quantum statistics. In particular, I was able to show that the complex statistics observed in weak measurements describe the transformation dynamics of the quantum system and can be used to predict and control the response of quantum systems to external forces.
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