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Theoretical description of coherent doublon creation via lattice modulation spectroscopy

Dirks, Andreas and Mikelsons, Karlis and Krishnamurthy, HR and Freericks, JK (2014) Theoretical description of coherent doublon creation via lattice modulation spectroscopy. In: PHYSICAL REVIEW A, 89 (2).

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Official URL: http://dx.doi.org/10.1103/PhysRevA.89.021602


Using a recently developed strong-coupling method, we present a comprehensive theory for doublon production processes in modulation spectroscopy of a three-dimensional system of ultracold fermionic atoms in an optical lattice with a trap. The theoretical predictions compare well to the experimental time traces of doublon production. For experimentally feasible conditions, we provide a quantitative prediction for the presence of a nonlinear ``two-photon'' excitation at strong modulation amplitudes.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the AMER PHYSICAL SOC, USA
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 19 May 2014 08:28
Last Modified: 19 May 2014 08:28
URI: http://eprints.iisc.ac.in/id/eprint/48917

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