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Wednesday, March 29th 2017

4:30 pm:

I will follow Kitaev's original paper [1] and show how the Kitaev honeycomb model can be solved exactly by reduction to free fermions (in a static Z2 gauge field). It is also a good example to see how "quantum order", which pertains to quantum spin liquid, emerges in the spin system. I will try to make the talk friendly to junior graduate students, and the derivation only requires graduate level quantum mechanics.

[1] A. Kitaev, 'Anyons in an exactly solved model and beyond'

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