Dark states of multilevel fermionic atoms in doubly-filled optical lattices

We propose to use fermionic atoms with degenerate ground and excited internal levels (\(F_g\rightarrow F_e\)), loaded into the motional ground state of an optical lattice with two atoms per lattice site, to realize dark states with no radiative decay. The physical mechanism behind the dark states is...

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Bibliographic Details
Published in:arXiv.org 2019-07
Main Authors: A Piñeiro Orioli, Rey, A M
Format: Article
Language:English
Subjects:
Atomic clocks
Clocks
Decay rate
Optical lattices
Quantum phenomena
Subspaces
Online Access:Get full text
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Summary:We propose to use fermionic atoms with degenerate ground and excited internal levels (\(F_g\rightarrow F_e\)), loaded into the motional ground state of an optical lattice with two atoms per lattice site, to realize dark states with no radiative decay. The physical mechanism behind the dark states is an interplay of Pauli blocking and multilevel dipolar interactions. The dark states are independent of lattice geometry, can support an extensive number of excitations and can be coherently prepared using a Raman scheme taking advantage of the quantum Zeno effect. These attributes make them appealing for atomic clocks, quantum memories, and quantum information on decoherence free subspaces.
ISSN:2331-8422
DOI:10.48550/arxiv.1907.05541