Journal article
Quantum probe spectroscopy for cold atomic systems
- Abstract:
- We study a two-level impurity coupled locally to a quantum gas on an optical lattice. For state-dependent interactions between the impurity and the gas, we show that its evolution encodes information on the local excitation spectrum of gas at the coupling site. Based on this, we design a nondestructive method to probe the system's excitations in a broad range of energies by measuring the state of the probe using standard atom optics methods. We illustrate our findings with numerical simulations for quantum lattice systems, including realistic dephasing noise on the quantum probe, and discuss practical limits on the probe dephasing rate to fully resolve both regular and chaotic spectra.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 1005.1KB, Terms of use)
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- Publisher copy:
- 10.1088/1367-2630/aae418
Authors
- Publisher:
- IOP Publishing
- Journal:
- New Journal of Physics More from this journal
- Volume:
- 20
- Pages:
- 103006
- Publication date:
- 2018-09-25
- Acceptance date:
- 2018-09-25
- DOI:
- ISSN:
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1367-2630
- Language:
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English
- Keywords:
- Pubs id:
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pubs:921609
- UUID:
-
uuid:8721ed0a-9542-4235-bae0-3571f1b49341
- Local pid:
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pubs:921609
- Source identifiers:
-
921609
- Deposit date:
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2018-09-25
Terms of use
- Copyright holder:
- Usui et al
- Copyright date:
- 2018
- Notes:
- © 2018 The Author(s). Published by IOP Publishing Ltd on behalf of Deutsche Physikalische Gesellschaft. As the Version of Record of this article is going to be / has been published on a gold open access basis under a CC BY 3.0 licence, this Accepted Manuscript is available for reuse under a CC BY 3.0 licence immediately.
- Licence:
- CC Attribution (CC BY)
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