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Topological spin models in Rydberg lattices

Abstract:

We show that resonant dipole–dipole interactions between Rydberg atoms in a triangular lattice can give rise to artificial magnetic fields for spin excitations. We consider the coherent dipole–dipole coupling between np and ns Rydberg states and derive an effective spin-1/2 Hamiltonian for the np excitations. By breaking time-reversal symmetry via external fields, we engineer complex hopping amplitudes for transitions between two rectangular sub-lattices. The phase of these hopping amplitudes...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's Version

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Publisher copy:
10.1007/s00340-016-6596-4

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Department:
Oxford, MPLS, Mathematical Institute
O’Brien, E More by this author
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Department:
Keble College
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Funding agency for:
Kiffner, Martin
Publisher:
Springer Verlag Publisher's website
Journal:
Applied Physics B Journal website
Volume:
123
Issue:
46
Publication date:
2017-01-16
Acceptance date:
2016-11-12
DOI:
EISSN:
1432-0649
ISSN:
0946-2171
Pubs id:
pubs:659315
URN:
uri:e9dea66b-1489-4bf9-9fb5-8cd1890332c3
UUID:
uuid:e9dea66b-1489-4bf9-9fb5-8cd1890332c3
Local pid:
pubs:659315

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