Difference between revisions of "Topology"

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(Created page with "Spielman's review. Category:BEC")
 
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Spielman's review.
 
Spielman's review.
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==Berry phase==
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===Direct measurement of the Zak phase in topological Bloch bands===
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They work with 1D dimerized optical lattice, which leads to the Rice-Mele Hamiltonian:
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<math>\bar H = -\sum_n(Ja^\dagger_n b_n+J'a^\dagger b_{n-1}+\text{h.c.})+\Delta\sum_n(a^\dagger_n a_n-b^\dagger_n b_n)</math>
 
[[Category:BEC]]
 
[[Category:BEC]]

Revision as of 16:28, 24 February 2020

Spielman's review.

Berry phase

Direct measurement of the Zak phase in topological Bloch bands

They work with 1D dimerized optical lattice, which leads to the Rice-Mele Hamiltonian: \bar H = -\sum_n(Ja^\dagger_n b_n+J'a^\dagger b_{n-1}+\text{h.c.})+\Delta\sum_n(a^\dagger_n a_n-b^\dagger_n b_n)