Realization of the Harper Hamiltonian with Ultracold Atoms in Optical Lattices

Hirokazu Miyake; Georgios A. Siviloglou; Colin J. Kennedy; William Cody Burton; Wolfgang Ketterle

doi:10.1364/CLEO_QELS.2014.FF2D.1

CLEO: 2014
OSA Technical Digest (online) (Optica Publishing Group, 2014),
paper FF2D.1
•https://doi.org/10.1364/CLEO_QELS.2014.FF2D.1

Realization of the Harper Hamiltonian with Ultracold Atoms in Optical Lattices

Hirokazu Miyake, Georgios A. Siviloglou, Colin J. Kennedy, William Cody Burton, and Wolfgang Ketterle

CLEO: QELS_Fundamental Science 2014

San Jose, California United States
8–13 June 2014
ISBN: 978-1-55752-999-2

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Quantum Effects in Lattices (FF2D)

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H. Miyake, G. A. Siviloglou, C. J. Kennedy, W. C. Burton, and W. Ketterle, "Realization of the Harper Hamiltonian with Ultracold Atoms in Optical Lattices," in CLEO: 2014, OSA Technical Digest (online) (Optica Publishing Group, 2014), paper FF2D.1.

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Abstract

We experimentally realized the Harper Hamiltonian with charge neutral, ultracold atoms in optical lattices using laser-assisted tunneling and a potential energy gradient. The energy spectrum of this Hamiltonian is the fractal Hofstadter butterfly.

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