Controlling Quantum Coherence: Toward New Paradigms of Computation

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About Simons Foundation Lectures

Simons Foundation Lectures are free public colloquia related to basic science and mathematics. These high-level talks are intended for professors, students, postdocs and business professionals, but interested people from the metropolitan area are welcome as well.
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This talk describes experimental progress toward controlling quantum mechanical coherence and entanglement in a solid-state environment. After describing what coherence and entanglement are, I will explain why using these attributes of the quantum world might be useful for information processing. I will then report from the experimental front lines, describing two approaches to this challenging problem: using electron spin as a quantum bit, and realizing nonabelian excitations in the fractional quantum Hall effect.

 

Suggested Reading:

Review on spins: http://marcuslab.harvard.edu/otherpapers/Hanson_RMP2007.pdf

Technical on spins: http://marcuslab.harvard.edu/papers/Barthel_InterlacedPRL2010.pdf

Nontechnical on spins: http://marcuslab.harvard.edu/papers/DiVincenzo_Science_Perspective.pdf

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