ORCID Profile
0000-0003-0730-9126
Current Organisation
Swinburne University of Technology
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Quantum Physics | Degenerate Quantum Gases and Atom Optics | Atomic, Molecular, Nuclear, Particle and Plasma Physics | Atomic and Molecular Physics
Publisher: American Physical Society (APS)
Date: 12-02-2018
Publisher: American Vacuum Society
Date: 09-2023
DOI: 10.1116/5.0155096
Publisher: American Physical Society (APS)
Date: 04-03-2005
Publisher: AIP Publishing
Date: 09-2018
DOI: 10.1063/1.5032114
Abstract: We present a numerical study of two-droplet pair correlations for in-phase droplets walking on a vibrating bath. Two such walkers are launched toward a common point of intersection. As they approach, their carrier waves may overlap and the droplets have a non-zero probability of forming a two-droplet bound state. The likelihood of such pairing is quantified by measuring the probability of finding the droplets in a bound state at late times. Three generic types of two-droplet correlations are observed: promenading, orbiting, and chasing pair of walkers. For certain parameters, the droplets may become correlated for certain initial path differences and remain uncorrelated for others, while in other cases, the droplets may never produce droplet pairs. These observations pave the way for further studies of strongly correlated many-droplet behaviors in the hydrodynamical quantum analogs of bouncing and walking droplets.
Publisher: American Physical Society (APS)
Date: 27-02-2013
Publisher: IOP Publishing
Date: 09-11-2012
Publisher: American Physical Society (APS)
Date: 19-02-2008
Publisher: American Physical Society (APS)
Date: 04-10-2013
Publisher: American Physical Society (APS)
Date: 03-10-2019
Publisher: IOP Publishing
Date: 26-05-2009
Publisher: American Physical Society (APS)
Date: 18-09-2017
Publisher: American Physical Society (APS)
Date: 25-06-2015
Publisher: Physical Society of Japan
Date: 15-01-2011
Publisher: Springer Science and Business Media LLC
Date: 25-03-2009
Publisher: IOP Publishing
Date: 21-06-2013
DOI: 10.1088/0953-8984/25/28/285602
Abstract: We have calculated low-lying quasiparticle excitation spectra of rotating three-dimensional Bose-Einstein condensates. We find, as opposed to the prediction of hydrodynamic continuum theories, a minimum in the Tkachenko mode spectrum at intermediate rotation frequencies of the harmonic trap. Such a minimum can harbour a Tkachenko quasiparticle with zero excitation energy. We discuss the experimental signatures of such a zero mode.
Publisher: American Physical Society (APS)
Date: 30-03-2009
Publisher: American Physical Society (APS)
Date: 14-06-2013
Publisher: American Physical Society (APS)
Date: 12-07-2019
Publisher: American Physical Society (APS)
Date: 14-09-2011
Publisher: IOP Publishing
Date: 24-08-2001
Publisher: American Physical Society (APS)
Date: 10-02-2004
Publisher: IOP Publishing
Date: 15-05-2018
Publisher: Informa UK Limited
Date: 08-2005
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: American Physical Society (APS)
Date: 11-11-2011
Publisher: American Physical Society (APS)
Date: 06-02-2018
Publisher: American Physical Society (APS)
Date: 19-01-2018
Publisher: American Physical Society (APS)
Date: 03-06-2014
Publisher: American Physical Society (APS)
Date: 04-11-2009
Publisher: Morgan & Claypool Publishers
Date: 07-2019
Publisher: American Physical Society (APS)
Date: 12-04-2021
Publisher: IOP Publishing
Date: 07-02-2023
Publisher: American Physical Society (APS)
Date: 26-03-2001
Publisher: American Physical Society (APS)
Date: 27-10-2010
Publisher: American Physical Society (APS)
Date: 23-03-2010
Publisher: American Physical Society (APS)
Date: 04-11-2008
Publisher: American Physical Society (APS)
Date: 03-2022
Publisher: IEEE
Date: 08-2011
Publisher: American Physical Society (APS)
Date: 27-12-2010
Publisher: IOP Publishing
Date: 10-07-2018
Publisher: American Physical Society (APS)
Date: 19-01-2006
Publisher: American Physical Society (APS)
Date: 18-10-2013
Publisher: American Physical Society (APS)
Date: 03-2021
Publisher: American Physical Society (APS)
Date: 09-07-2008
Publisher: American Physical Society (APS)
Date: 14-02-2002
Publisher: American Physical Society (APS)
Date: 15-11-2001
Publisher: Cambridge University Press (CUP)
Date: 09-11-2021
DOI: 10.1017/JFM.2020.742
Publisher: American Astronomical Society
Date: 07-07-2015
Publisher: American Physical Society (APS)
Date: 26-10-2021
Publisher: American Physical Society (APS)
Date: 26-12-2007
Publisher: Elsevier BV
Date: 12-2001
Publisher: American Physical Society (APS)
Date: 29-03-2016
Publisher: American Physical Society (APS)
Date: 10-2000
Abstract: We study the dynamic scaling properties of an aggregation model in which particles obey both diffusive and driven ballistic dynamics. The diffusion constant and the velocity of a cluster of size s follow D(s) approximately s(gamma) and v(s) approximately s(delta), respectively. We determine the dynamic exponent and the phase diagram for the asymptotic aggregation behavior in one dimension in the presence of mixed dynamics. The asymptotic dynamics is dominated by the process that has the largest dynamic exponent with a crossover that is located at delta=gamma-1. The cluster size distributions scale similarly in all cases but the scaling function depends continuously on gamma and delta. For the purely diffusive case the scaling function has a transition from exponential to algebraic behavior at small argument values as gamma changes sign, whereas in the drift dominated case the scaling function always decays exponentially.
Publisher: American Physical Society (APS)
Date: 08-07-2021
Publisher: American Physical Society (APS)
Date: 19-09-2002
Publisher: American Physical Society (APS)
Date: 02-01-2008
Publisher: American Physical Society (APS)
Date: 17-08-2011
Publisher: Ovid Technologies (Wolters Kluwer Health)
Date: 06-2014
Publisher: American Physical Society (APS)
Date: 13-04-2016
Publisher: Springer Science and Business Media LLC
Date: 2002
Publisher: American Physical Society (APS)
Date: 14-01-2013
Publisher: American Physical Society (APS)
Date: 11-06-2020
Publisher: American Physical Society (APS)
Date: 14-06-2010
Publisher: Elsevier BV
Date: 02-2014
Publisher: American Physical Society (APS)
Date: 17-10-2014
Publisher: American Physical Society (APS)
Date: 24-04-2012
Publisher: American Physical Society (APS)
Date: 08-12-2021
Publisher: American Physical Society (APS)
Date: 17-10-2014
Start Date: 2018
End Date: 2021
Funder: Australian Research Council
View Funded ActivityStart Date: 2017
End Date: 04-2021
Amount: $316,500.00
Funder: Australian Research Council
View Funded ActivityStart Date: 02-2013
End Date: 09-2017
Amount: $320,000.00
Funder: Australian Research Council
View Funded ActivityStart Date: 2019
End Date: 12-2023
Amount: $868,125.00
Funder: Australian Research Council
View Funded Activity