Craig M. Savage
Professor of Physics

Publications 2004-now
mainly cold atoms, relativistic optics, and physics education

ResearcherID | Publications 1994-2003 | Publications before 1994
Developing an Action Concept Inventory
Lachlan P. McGinness and C. M. Savage, Physical Review Physics Education Research 12, 010133 (2016).
ArXiv | Physical Review Physics Education Research

We report on progress towards the development of an Action Concept Inventory (ACI), a test that measures student understanding of action principles in introductory mechanics and optics. Full abstract.

Experimental semiclassical gravity
C. C. Gan, C. M. Savage, S. Scully, Physical Review D 93 124049 (2016).
ArXiv | Physical Review D

We show that optomechanical systems can provide definitive tests of the many-body Schrodinger-Newton equation of gravitational quantum mechanics. Full abstract.

Action Physics
Lachlan P. McGinness and C. M. Savage, American Journal of Physics 84, 704 (2016).
ArXiv | American Journal of Physics

More than a decade ago Edwin Taylor issued a "call to action" that presented the case for basing introductory university mechanics teaching around the principle of stationary action. We report on our response to that call in the form of an investigation of the teaching and learning of the stationary action formulation of physics in a first-year university course. Full abstract.

The Relativity Concept Inventory: development, analysis and results
J. S. Aslanides and C. M. Savage, Physical Review ST: physics education research 9, 010118 (2013).
ArXiv | Physical Review ST

We report on a concept inventory for special relativity: the development process, data analysis methods, and results from an introductory relativity class. Full abstract.

Nonlocal signaling in the configuration space model of quantum-classical interactions
Michael J. W. Hall, Marcel Reginatto, C. M. Savage, Phys. Rev. A 86, 054101 (2012).
ArXiv | Physical Review A

When interactions are turned off, the theory of interacting quantum and classical ensembles due to Hall and Reginatto is shown to suffer from a nonlocal signaling effect that is effectively action at a distance. Full abstract.

Developing a Virtual Physics World
M. Wegener, T. McIntyre, D. McGrath, C. Savage, M. Williamson.
In M. J. W. Lee, B. Dalgarno & H. Farley (Eds), Virtual worlds in tertiary education: An Australasian perspective. Australasian Journal of Educational Technology, 28(Special issue, 3), 504-521 (2012).

We report on the successful implementation of a development cycle for a physics teaching package based on game-like virtual reality software. Full abstract.

Interacting classical and quantum particles
Alvin J. K. Chua, Michael J. W. Hall, C. M. Savage, Phys. Rev. A 85, 022110 (2012).
ArXiv | Physical Review A

We apply Hall and Reginatto's theory of interacting classical and quantum ensembles to harmonically coupled particles, with a view to understanding its experimental implications. Full abstract.

Causality in classical electrodynamics
C. Savage, The Physics Teacher 50, 226 (2012).
ArXiv | The Physics Teacher

Causality in electrodynamics is a subject of some confusion, especially regarding the application of Faraday's law and the Ampere-Maxwell law. This has led to the suggestion that we should not teach students that electric and magnetic fields can cause each other, but rather focus on charges and currents as the causal agents. In this paper I argue that fields have equal status as casual agents, and that we should teach this. Full abstract.

Bosenova and three-body loss in a Rb-85 Bose-Einstein condensate
P. A. Altin, G. R. Dennis, G. D. McDonald, D. Doring, J. E. Debs, J. D. Close, C. M. Savage, N. P. Robins., Phys. Rev. A 84, 033632 (2011).
ArXiv | Physical Review A

Collapsing Bose-Einstein condensates are rich and complex quantum systems for which quantitative explanation by simple models has proved elusive. We present new experimental data on the collapse of high density Rb-85 condensates with attractive interactions and find quantitative agreement with the predictions of the Gross-Pitaevskii equation. Full abstract.

Teaching physics using virtual reality: Final report to the Australian Learning and Teaching Council, 2010.
C. Savage, D. McGrath, T. McIntyre, M. Wegener.
Office for Learning and Teaching

Amongst the great changes in society is the use of simulations for activities as diverse as public policy making and recreation. These simulations are routinely coupled to sophisticated visual interfaces producing virtual realities. This project has produced examples of how recent developments in simulation technology may be used for learning and teaching physics. Full abstract.

Teaching physics using virtual reality,
C. Savage, D. McGrath, T. McIntyre, M. Wegener, M. Williamson, ICPE 2009 Proceedings, ArXiv 0910.5776. American Institute of Physics Conference Proceedings 1263.
ArXiv | American Institute of Physics Conference Proceedings 1263

We present an investigation of game-like simulations for physics teaching. We report on the effectiveness of the interactive simulation "Real Time Relativity" for learning special relativity. We argue that the simulation not only enhances traditional learning, but also enables new types of learning that challenge the traditional curriculum. Full abstract.

Student experiences of virtual reality - a case study in learning special relativity,
D. McGrath, M. Wegener, T. McIntyre, C. Savage, M. Williamson, American Journal of Physics 78, 862 (2010).
ArXiv | American Journal of Physics

We present a study of student learning through the use of virtual reality. A software package is used to introduce concepts of special relativity to students in a game-like environment where users experience the effects of travelling at near light speeds. From this new perspective, space and time are significantly different to that experienced in everyday life. The study explores how students have worked with this environment and how these students have used this experience in their study of special relativity. Full abstract.

Mastery learning in a large first year physics class,
P. Francis, C. Figl. C. Savage, Proceedings of the UniServe Science Symposium on Motivating Science Undergraduates: Ideas and Interventions, October 2009.

In 2009 we tried an experiment in our large core first year physics course: we introduced mastery learning. The basic idea behind mastery learning is that any student can learn anything well, but that it takes some students much longer than others. We should therefore let students proceed through a course at different speeds, while insisting that they totally master each section of the course before moving on. Full abstract.

Directional effects due to quantum statistics in dissociation of elongated molecular condensates,
Magnus Ögren, C.M. Savage, K.V. Kheruntsyan, Phys. Rev. A 79, 043624 (2009).
ArXiv | Physical Review A

Ultra-cold clouds of dimeric molecules can dissociate into quantum mechanically correlated constituent atoms that are either bosons or fermions. We theoretically model the dissociation of cigar shaped molecular condensates, for which this difference manifests as complementary geometric structures of the dissociated atoms. Full abstract.

Teaching Special Relativity using Virtual Reality,
Dominic McGrath, Craig Savage, Michael Williamson, Margaret Wegener and Tim McIntyre
Proceedings of the UniServe Science Symposium on Visualisation and Concept Development, October 2008.
Proceedings | Local copy

Learning Special Relativity is a highly anticipated experience for first year students; however, the teaching and learning of Special Relativity are difficult tasks. Full abstract.

Atomic four-wave mixing via condensate collisions,
Aurélien Perrin, C. M. Savage, D. Boiron, V. Krachmalnicoff, C. I. Westbrook, Karen Kheruntsyan, New J. Phys. 10, 045021 (2008).
ArXiv | New Journal of Physics

We perform a theoretical analysis of atomic four-wave mixing via a collision of two Bose-Einstein condensates of metastable helium atoms, and compare the results to a recent experiment. Full abstract.

Time is money,
Craig Savage, Issue 18 of Cosmos, December 2007.

Time travel may be possible, but will it be affordable?

Quantum-field dynamics of expanding and contracting Bose-Einstein condensates,
S. Wuester, B.J. Dabrowska-Wuester, S.M. Scott, J.D. Close, C.M. Savage, Phys. Rev. A 77, 023619 (2008).
ArXiv | Physical Review A | doi:10.1103/PhysRevA.77.023619

We analyze the dynamics of quantum statistics in a harmonically trapped Bose-Einstein condensate, whose two-body interaction strength is controlled via a Feshbach resonance. From an initially non-interacting coherent state, the quantum field undergoes Kerr squeezing, which can be qualitatively described with a single mode model. Full abstract.

Spatial pair correlations of atoms in molecular dissociation,
C.M. Savage and K.V. Kheruntsyan, Phys. Rev. Lett. 99, 220404 (2007).
ArXiv | Physical Review Letters

We perform first-principles quantum simulations of dissociation of trapped, spatially inhomogeneous Bose-Einstein condensates of molecular dimers using the positive-P representation method. Specifically, we study spatial pair correlations of atoms produced in dissociation and analyze different correlation measures after time of flight. Full abstract.

Limits to the analogue Hawking temperature in a Bose-Einstein condensate,
S. Wuester and C.M. Savage, Phys. Rev. A 76, 013608 (2007).
ArXiv | Physical Review A

Quasi-one dimensional outflow from a dilute gas Bose-Einstein condensate reservoir is a promising system for the creation of analogue Hawking radiation. We use numerical modeling to show that stable sonic horizons exist in such a system under realistic conditions, taking into account the transverse dimensions and three-body loss. Full abstract.

AJP cover Real Time Relativity: exploratory learning of special relativity,
C. M. Savage, A. Searle, L. McCalman, American Journal of Physics 75, 791 (2007).
ArXiv | American Journal of physics | Google Scholar

Real Time Relativity is a computer program that lets students fly at relativistic speeds though a simulated world populated with planets, clocks, and buildings. The counterintuitive and spectacular optical effects of relativity are prominent, while systematic exploration of the simulation allows the user to discover relativistic effects such as length contraction and the relativity of simultaneity. Full abstract.

Quantum depletion of collapsing Bose-Einstein condensates,
S. Wuester, B.J. Dabrowska-Wuester, A.S. Bradley, M.J. Davis, P.B. Blakie, J.J. Hope, C.M. Savage, Phys. Rev. A 75, 043611 (2007).
ArXiv | Physical Review A | Google Scholar

We perform the first numerical three-dimensional studies of quantum field effects in the Bosenova experiment on collapsing condensates by E. Donley et al. [Nature 415, 39 (2002)] using the exact experimental geometry. Full abstract.

Real Time Relativity,
C.M. Savage, A. C. Searle, L. McCalman, physics/0607223 (2006).
ArXiv | HTML | Google Scholar

Real Time Relativity is a computer program that allows the user to fly through a virtual world governed by relativistic physics. Full abstract.

First-principles quantum simulations of dissociation of molecular condensates: Atom correlations in momentum space,
C.M. Savage, P. Schwenn, K.V. Kheruntsyan, Phys. Rev. A 74, 033620 (2006).
ArXiv | Physical Review A | Google Scholar

We investigate the quantum many-body dynamics of dissociation of a Bose-Einstein condensate of molecular dimers into pairs of constituent bosonic atoms and analyze the resulting atom-atom correlations. Full abstract.

Through Einstein's Eyes,
A. C. Searle, C. M. Savage, P.A. Altin, F. H. Bennet, M. R. Hush, Australian Physics 42, 84 (2005).
ArXiv | ANU Eprint archive | Google Scholar

We have developed a relativistically-accurate computer graphics code and have used it to produce photo-realistic images and videos of scenes where special relativistic effects dominate, either in astrophysical contexts or in imaginary worlds where the speed of light is only a few metres per second. Full abstract.

Numerical Study of the stability of Skyrmions in Bose-Einstein Condensates,
S. Wüster, T.E. Argue and C. M. Savage, Phys. Rev. A 72, 043616 (2005).
ArXiv | Physical Review A | Google Scholar

We show that the stability of three-dimensional Skyrmions in trapped Bose-Einstein condensates depends critically on scattering lengths, atom numbers, trap rotation and trap anisotropy. Full abstract.

Superradiant scattering from a hydrodynamic vortex,
T. R. Slatyer and C. M. Savage, Classical and Quantum Gravity 22, 3833 (2005).
ArXiv | Classical and Quantum Gravity | Google Scholar

We show that sound waves scattered from a hydrodynamic vortex may be amplified. Such superradiant scattering follows from the physical analogy between spinning black holes and hydrodynamic vortices. Full abstract.

Collapsing Bose-Einstein condensates beyond the Gross-Pitaevskii approximation,
S. Wüster, J. J. Hope, C. M. Savage, Phys. Rev. A 71, 033604 (2005).
ArXiv | Physical Review A | Google Scholar

We analyse quantum field models of the bosenova experiment, in which 85Rb Bose-Einstein condensates were made to collapse by switching their atomic interactions from repulsive to attractive. Full abstract.

Classical noise and flux: the limits of multi-state atom lasers,
N.P. Robins, C. M. Savage, J. J. Hope, J. E. Lye, C. S. Fletcher, S. A. Haine, J. D. Close, Phys. Rev. A 69, 051602 (2004).
ArXiv | Physical Review A | Google Scholar

By direct comparison between experiment and theory, we show how the classical noise on a multi-state atom laser beam increases with increasing flux. Full abstract.

ResearcherID | Publications 1994-2003 | Publications before 1994

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