ORCID Profile
0000-0002-5691-4982
Current Organisations
University of Oregon
,
University of Arizona
,
University of Queensland
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Quantum Physics | Degenerate Quantum Gases and Atom Optics | Fluid Physics | Condensed Matter Physics not elsewhere classified
Expanding Knowledge in the Physical Sciences | Expanding Knowledge in Engineering |
Publisher: Springer Science and Business Media LLC
Date: 10-2008
DOI: 10.1038/NATURE07334
Publisher: American Association for the Advancement of Science (AAAS)
Date: 28-06-2019
Abstract: Many-body systems generally become more disordered as more energy is pumped into them. A curious exception to this rule was predicted in the context of turbulent flow by the physical chemist Lars Onsager. He suggested that the entropy of certain two-dimensional (2D) systems can decrease with increasing energy, corresponding to an effective negative temperature. Using 2D Bose-Einstein condensates of atoms, Gauthier et al. and Johnstone et al. put Onsager's theory to the test. They provided energy to the system by perturbing the condensate, creating vortices and antivortices. With increasing energy, the system became more ordered as clusters containing either only vortices or only antivortices emerged. Science , this issue p. 1264 , p. 1267
Publisher: OSA
Date: 2011
Publisher: The Optical Society
Date: 12-10-2016
Publisher: OSA
Date: 2011
Publisher: American Physical Society (APS)
Date: 08-06-2018
Publisher: American Physical Society (APS)
Date: 16-02-2022
Publisher: American Physical Society (APS)
Date: 12-03-2007
Publisher: OSA
Date: 2017
Publisher: American Physical Society (APS)
Date: 02-12-2013
Publisher: The Optical Society
Date: 31-07-2012
DOI: 10.1364/OL.37.003285
Abstract: We present and characterize a two-dimensional (2D) imaging spectrometer based on a virtually imaged phased array (VIPA) disperser for rapid, high-resolution molecular detection using mid-infrared (MIR) frequency combs at 3.1 and 3.8 μm. We demonstrate detection of CH4 at 3.1 μm with >3750 resolution elements spanning >80 nm with ~600 MHz resolution in a <10 μs acquisition time. In addition to broadband detection, we also demonstrate rapid, time-resolved single-image detection by capturing dynamic concentration changes of CH4 at a rate of ~375 frames per second. Changes in absorption above the noise floor of 5×10(-4) are readily detected on the millisecond time scale, leading to important future applications such as real-time monitoring of trace gas concentrations and detection of reactive intermediates.
Publisher: American Physical Society (APS)
Date: 19-04-2010
Publisher: OSA
Date: 2012
Publisher: American Vacuum Society
Date: 25-08-2021
DOI: 10.1116/5.0026178
Abstract: Atomtronics deals with matter-wave circuits of ultracold atoms manipulated through magnetic or laser-generated guides with different shapes and intensities. In this way, new types of quantum networks can be constructed in which coherent fluids are controlled with the know-how developed in the atomic and molecular physics community. In particular, quantum devices with enhanced precision, control, and flexibility of their operating conditions can be accessed. Concomitantly, new quantum simulators and emulators harnessing on the coherent current flows can also be developed. Here, the authors survey the landscape of atomtronics-enabled quantum technology and draw a roadmap for the field in the near future. The authors review some of the latest progress achieved in matter-wave circuits' design and atom-chips. Atomtronic networks are deployed as promising platforms for probing many-body physics with a new angle and a new twist. The latter can be done at the level of both equilibrium and nonequilibrium situations. Numerous relevant problems in mesoscopic physics, such as persistent currents and quantum transport in circuits of fermionic or bosonic atoms, are studied through a new lens. The authors summarize some of the atomtronics quantum devices and sensors. Finally, the authors discuss alkali-earth and Rydberg atoms as potential platforms for the realization of atomtronic circuits with special features.
Publisher: AIP Publishing
Date: 08-2014
DOI: 10.1063/1.4892375
Abstract: We describe a magnetic coil design utilizing concentrically wound electro-magnetic insulating (EMI) foil (25.4 μm Kapton backing and 127 μm thick layers). The magnetic coils are easily configurable for different coil sizes, while providing large surfaces for low-pressure (0.12 bar) water cooling. The coils have turn densities of ∼5 mm−1 and achieve a maximum of 377 G at 2.1 kW driving power, measured at a distance 37.9 mm from the axial center of the coil. The coils achieve a steady-state temperature increase of 36.7°C/kW.
Publisher: American Physical Society (APS)
Date: 24-07-2020
Publisher: IOP Publishing
Date: 25-11-2016
Publisher: OSA
Date: 2012
Publisher: Elsevier
Date: 2021
Publisher: IEEE
Date: 07-2011
Publisher: American Physical Society (APS)
Date: 27-12-2019
Publisher: American Physical Society (APS)
Date: 18-11-2022
Publisher: IOP Publishing
Date: 03-2016
Publisher: American Physical Society (APS)
Date: 09-05-2014
Publisher: IOP Publishing
Date: 02-08-2016
Publisher: American Physical Society (APS)
Date: 11-12-2013
Publisher: American Physical Society (APS)
Date: 05-07-2018
Publisher: The Optical Society
Date: 06-10-2011
DOI: 10.1364/OL.36.004020
Location: United States of America
Start Date: 2018
End Date: 2021
Funder: Marsden Fund
View Funded ActivityStart Date: 2019
End Date: 2022
Funder: Australian Research Council
View Funded ActivityStart Date: 2016
End Date: 2018
Funder: Australian Research Council
View Funded ActivityStart Date: 2020
End Date: 2022
Funder: Australian Research Council
View Funded ActivityStart Date: 2020
End Date: 12-2024
Amount: $726,492.00
Funder: Australian Research Council
View Funded ActivityStart Date: 02-2020
End Date: 12-2023
Amount: $480,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 2016
End Date: 12-2017
Amount: $406,700.00
Funder: Australian Research Council
View Funded Activity