Imperial College London

DrRobertNyman

Faculty of Natural SciencesDepartment of Physics

Research Fellow
 
 
 
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Contact

 

+44 (0)20 7594 7909r.nyman Website

 
 
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Location

 

704Huxley BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Nyman:2015:10.1103/PhysRevA.91.033612,
author = {Nyman, RA and Kohnen, M},
doi = {10.1103/PhysRevA.91.033612},
journal = {Physical Review A},
title = {Temporal and spatiotemporal correlation functions for trapped Bose gases},
url = {http://dx.doi.org/10.1103/PhysRevA.91.033612},
volume = {91},
year = {2015}
}

RIS format (EndNote, RefMan)

TY  - JOUR
AB - Density correlations unambiguously reveal the quantum nature of matter. Here, we study correlations between measurements of density in cold-atom clouds at different times at one position, and also at two separated positions. We take into account the effects of finite-size and -duration measurements made by light beams passing through the atom cloud. We specialize to the case of Bose gases in harmonic traps above critical temperature, for weakly perturbative measurements. For overlapping measurement regions, shot-noise correlations revive after a trap oscillation period. For nonoverlapping regions, bosonic correlations dominate at long times, and propagate at finite speeds. Finally, we give a realistic measurement protocol for performing such experiments.
AU - Nyman,RA
AU - Kohnen,M
DO - 10.1103/PhysRevA.91.033612
PY - 2015///
SN - 1094-1622
TI - Temporal and spatiotemporal correlation functions for trapped Bose gases
T2 - Physical Review A
UR - http://dx.doi.org/10.1103/PhysRevA.91.033612
UR - https://journals.aps.org/pra/abstract/10.1103/PhysRevA.91.033612
UR - http://hdl.handle.net/10044/1/19633
VL - 91
ER -