Physics – Condensed Matter – Quantum Gases
Scientific paper
2010-08-26
Phys. Rev. A 84 (2011) 011609(R)
Physics
Condensed Matter
Quantum Gases
Scientific paper
10.1103/PhysRevA.84.011609
We demonstrate that ultracold interacting bosonic atoms in an optical lattice show sub-Poissonian on-site and inter-site atom number fluctuations. The experimental observations agree with numerical predictions of the truncated Wigner approximation. The correlations persist in the presence of multi-mode atom dynamics and even over large spatially extended samples involving several sites and large populations.
Estève Jèrôme
Gross Christian
Martin A. D.
Oberthaler Markus K.
Ruostekoski Janne
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