Quantum entanglement of spin-1 bosons with coupled ground states in optical lattices
Date
2009
Authors
Öztop, B.
Oktel, M. Ö.
Müstecapliolu, Ö. E.
You, L.
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Source Title
Journal of Physics B : Atomic, Molecular and Optical Physics
Print ISSN
0953-4075
Electronic ISSN
Publisher
IOP Institute of Physics Publishing
Volume
42
Issue
14
Pages
145505-1 - 145505-9
Language
English
Type
Article
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Abstract
We examine particle entanglement, characterized by pseudo-spin squeezing, of spin-1 bosonic atoms with coupled ground states in a one-dimensional optical lattice. Both the superfluid and Mott-insulator phases are investigated separately for ferromagnetic and antiferromagnetic interactions. Mode entanglement is also discussed in the Mott-insulating phase. The role of a small but nonzero angle between the polarization vectors of counter-propagating lasers forming the optical lattice on quantum correlations is investigated as well.
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Keywords
Bosonic atoms , Counterpropagating , Ferromagnetic and anti-ferromagnetic , Mode entanglement , Mott-insulating phase , Mott-insulator phasis , One dimensional optical lattice , Optical lattices , Particle entanglement , Polarization vectors , Quantum correlations , Spin squeezing , Antiferromagnetism , Crystal lattices , Ground state , Insulation , Optical materials , Particle optics , Quantum well lasers , Spin dynamics , Quantum entanglement