Volume 115, Number 2, July 2016
|Number of page(s)||7|
|Published online||30 August 2016|
Single-shot imaging of trapped Fermi gas
Institute of Physics, Polish Academy of Sciences - Aleja Lotników 32/46, PL-02668 Warsaw, Poland
Received: 2 June 2016
Accepted: 6 August 2016
Recently developed techniques allow for simultaneous measurements of the positions of all ultra-cold atoms in a trap with high resolution. Each such single-shot experiment detects one element of the quantum ensemble formed by the cloud of atoms. Repeated single-shot measurements can be used to determine all correlations between particle positions as opposed to standard measurements that determine particle density or two-particle correlations only. In this paper we discuss the possible outcomes of such single-shot measurements in the case of cloud of ultra-cold noninteracting Fermi atoms. We show that the Pauli exclusion principle alone leads to correlations between particle positions that originate from unexpected spatial structures formed by the atoms.
PACS: 03.75.-b – Matter waves / 67.85.-d – Ultracold gases, trapped gases / 67.85.Lm – Degenerate Fermi gases
© EPLA, 2016
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