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Quantum Point Contacts: a Tunable Single-Spin System ?

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In my talk I will explore the idea that quantum point contacts (QPCs) may be used as a controlled system for the confinement, and manipulation, of single electron spins. Our experiments make use of a novel geometry in which one QPC is used to provide electrical readout of the state of another, located in close proximity to it. Theoretical analysis in support of these experiments suggests that this system may be used to detect the confinement of single spins. In my talk I present new experimental results that provide detailed insight into the microscopic properties of this novel localized spin.

This talk is part of the Semiconductor Physics series.

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