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This Week at Physics

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Event Number 3197

  Thursday, February 6th, 2014

R. G. Herb Condensed Matter Seminar
Electrically controlled spin qubits in coupled quantum dot systems
Time: 10:00 am
Place: 5310 Chamberlin Hall
Speaker: Vanita Srinivasa, UMD
Abstract: The spins of electrons confined in semiconductor quantum dots represent versatile building blocks for solid-state quantum information processing devices. Within these systems, manipulation via electric fields enables both rapid control and protection from noise. I will describe our theoretical investigations of single-electron and multi-electron quantum dot systems with electrically controllable spin relaxation, highly tunable exchange interactions, and quantum gates robust against charge noise. These features yield approaches for rapid single-spin initialization as well as for controllably coupling donor electron spin qubits in silicon.

Host: Coppersmith
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