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Imaging and addressing of individual fermionic atoms in an optical lattice

Autor: Edge, G. J. A., Anderson, R., Jervis, D., McKay, D. C., Day, R., Trotzky, S., Thywissen, J. H.

Publikováno v: Phys. Rev. A 92, 063406 (2015)

We demonstrate fluorescence microscopy of individual fermionic potassium atoms in a 527-nm-period optical lattice. Using electromagnetically induced transparency (EIT) cooling on the 770.1-nm D$_1$ transition of $^{40}$K, we find that atoms remain at

Externí odkaz: http://arxiv.org/abs/1510.04744

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Transverse Demagnetization Dynamics of a Unitary Fermi Gas

Autor: Bardon, A. B., Beattie, S., Luciuk, C., Cairncross, W., Fine, D., Cheng, N. S., Edge, G. J. A., Taylor, E., Zhang, S., Trotzky, S., Thywissen, J. H.

Publikováno v: Science 344 (6185), 722-724 (2014)

Understanding the quantum dynamics of strongly interacting fermions is a problem relevant to diverse forms of matter, including high-temperature superconductors, neutron stars, and quark-gluon plasma. An appealing benchmark is offered by cold atomic

Externí odkaz: http://arxiv.org/abs/1310.5140

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Low-temperature, high-density magneto-optical trapping of potassium using the open 4S-5P transition at 405 nm

Autor: McKay, D. C., Jervis, D., Fine, D. J., Simpson-Porco, J. W., Edge, G. J. A., Thywissen, J. H.

Publikováno v: Physical Review A 84, 063420 (2011)

We report the laser cooling and trapping of neutral potassium on an open transition. Fermionic 40K is captured using a magneto-optical trap (MOT) on the closed 4S-4P transition at 767 nm and then transferred, with unit efficiency, to a MOT on the ope

Externí odkaz: http://arxiv.org/abs/1110.4067

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