Members of the group

Yaroslav Kharkov, Research Associate, y.kharkov[at]gmail.com

Yaroslav's research - Quantum Magnetism

• Unifying static and dynamic properties in three-dimensional quantum antiferromagnets by H. D. Scammell, Y. Kharkov, Yan Qi Qin, Zi Yang Meng, B. Normand, and O. P. Sushkov, Phys. Rev. B 96, 174414 (2017).
• Bound States of Skyrmions and Merons near the Lifshitz Point by Y. A. Kharkov, O. P. Sushkov, and M. Mostovoy, Phys. Rev. Lett. 119, 207201 (2017).
• The amplitudes and the structure of the charge density wave in YBCO by Kharkov, Y. A. and Sushkov, O. P., Sci. Rep. 6, 34551; doi: 10.1038/srep34551 (2016). 
• Impurity-induced magnetization in three dimensional antiferromagnet at quantum critical point by Yaroslav A. Kharkov, Ivan S. Terekhov, Oleg P. Sushkov, Phys. Rev. B, 92, 155122 (2015). 
• Casimir effect mechanism of pairing between fermions in the vicinity of a magnetic quantum critical point by Yaroslav A. Kharkov, Oleg P. Sushkov, Phys. Rev. B, 91, 235105 (2015).

Samuel Bladwell, PhD student, leumas.llewdalb[at]gmail.com

Samuel's research - Spintronics

• Interference in spin-orbit coupled transverse magnetic focusing; emergent phase due to in-plane magnetic fields by Samuel Bladwell and Oleg P. Sushkov, arXiv:1803.00714.
• Interference effects and Huygens’ principle in transverse magnetic focusing of electrons and holes by Samuel Bladwell and Oleg P. Sushkov, Phys. Rev. B 96, 035413 (2017). 
• Magnetic Focusing of Electrons and Holes in the presence of spin orbit interactions by Samuel Bladwell, Oleg P. Sushkov, Phys. Rev. B, 92, 235416 (2015).

Tommy Li, Alumni, currently postdoc at Niels Bohr Institute, University of Copenhagen,  tommy.li[at]nbi.ku.dk 

Tommy's research - Spintronics, Topological Insulators, Semiconductor Heterostructures, Artificial Topological Materials

• Two-dimensional topological semimetal state in a nanopatterned semiconductor system by Tommy Li and Oleg P. Sushkov, Phys. Rev. B 96, 085301 (2017).
• Chern insulating state in laterally patterned semiconductor heterostructures by Tommy Li , Oleg P. Sushkov, Phys. Rev. B 94, 155311 (2016).
• Semiclassical Landau quantization of spin-orbit coupled systems by Tommy Li, Baruch Horovitz, Oleg P. Sushkov, Phys. Rev. B, 93, 235316 (2016).
• Manifestation of a non-Abelian Berry phase in a p-type semiconductor system by T. Li, L. A. Yeoh, A. Srinivasan, O. Klochan, D. A. Ritchie, M. Y. Simmons, O. P. Sushkov, and A. R. Hamilton, Phys. Rev. B, 93, 205424 (2016).
• Confinement of spin-orbit induced Dirac states in quantum point contacts by Tommy Li, Phys. Rev. B, 92, 085302 (2015).
• One-dimensional spin-orbit interferometer by Tommy Li, O. P. Sushkov, Phys. Rev. B, 87, 165434 (2013).

Dmitry Miserev, Research Associate, d.miserev[at]unsw.edu.au

Dmitry's research - Spintronics

• Detection and control of spin-orbit interactions in a GaAs hole quantum point contact by A. Srinivasan, D. S. Miserev, K. L. Hudson, O. Klochan, K. Muraki, Y. Hirayama, D. Reuter, A. D. Wieck, O. P. Sushkov and A. R. Hamilton, Phys. Rev. Lett. 118, 146801 (2017).
• Mechanisms for strong anisotropy of in-plane g-factors in hole based quantum point contacts by D. S. Miserev, A. Srinivasan, O. A. Tkachenko, V. A. Tkachenko, I. Farrer, D. A. Ritchie, A. R. Hamilton, and O. P. Sushkov, Phys. Rev. Lett. 119, 116803 (2017).
• Dimensional reduction of the Luttinger Hamiltonian and g-factors of holes in symmetric two-dimensional semiconductor heterostructures by D. S. Miserev, O. P. Sushkov, Phys. Rev. B 95, 085431 (2017).
• Electrical control of the sign of the g factor in a GaAs hole quantum point contact by Srinivasan, A., Hudson, K.L., Miserev, D., Yeoh, L. A., Klochan, O., Muraki, K., Hirayama, Y., Sushkov, O. P., Hamilton, A.R. Phys. Rev. B, 94, 041406(R) (2016).
• G-factors of hole bound states in spherically symmetric potentials in cubic semiconductors by Dmitry Miserev, Oleg Sushkov, European Physical Journal B, 89, 74 (2016).

Harley Scammell, Research Associate, harleyscammell[at]gmail.com

Harley's research - Quantum Magnetism

• Unifying static and dynamic properties in three-dimensional quantum antiferromagnets by H. D. Scammell, Y. Kharkov, Yan Qi Qin, Zi Yang Meng, B. Normand, and O. P. Sushkov, Phys. Rev. B 96, 174414 (2017).
• Prediction of ultra-narrow Higgs resonance in magnon Bose-condensates by H. D. Scammell, O. P. Sushkov, arXiv:1705.09007
• Multiple universalities in order-disorder magnetic phase transitions by H. D. Scammell, O. P. Sushkov, Phys. Rev B 95, 094410 (2017).
• Nonequilibrium quantum mechanics: A "hot quantum soup" of paramagnons by H. D. Scammell, O. P. Sushkov, Phys. Rev. B 95, 024420 (2017).
• Asymptotic freedom in quantum magnets by Harley Scammell, Oleg P. Sushkov, Phys. Rev. B, 92, 220401(R) (2015). 
• Violation of the Spin Statistics Theorem and the Bose-Einstein Condensation of Particles with Half Integer Spin by H. D. Scammell, O. P. Sushkov, Phys. Rev. Lett., 114, 055702 (2015).

Gregoire Vionnet, Alumni, Master of Science Diploma student, Exchange, Institute of Theoretical Physics, Ecole Polytechnique Federale de Lausanne (EPFL), Switzerland, gr.vionnet[at]gmail.com

Gregoire's research - Electron Correlations, Spintronics

• Enhancement mechanism of the electron g-factor in quantum point contacts by Grégoire Vionnet, Oleg P. Sushkov, Phys. Rev. Lett., 116, 126801 (2016).

PhD Theses

Full text of the PhD theses is available on the UNSW Library catalogue.

Dmitry Miserev. Effective Hamiltonian approach and symmetry analysis of the low-dimensional semiconductor systems. PhD Thesis, University of New South Wales, 2018.

Harley Scammell. Interplay of quantum and statistical fluctuations in critical quantum matter. PhD Thesis, University of New South Wales, 2017.

Yaroslav Kharkov. Quantum critical matter: Casimir pairing, emergent orders and topological defects. PhD Thesis, University of New South Wales, 2017.

Tommy Li. Spin-orbit coupling and topological phase transitions in semiconductor heterostructures. PhD Thesis, University of New South Wales, 2017.

Michael Holt. Modelling magnetic dynamics in high-temperature superconductors. PhD Thesis, University of New South Wales, 2012.

Clare Sloggett. Electron correlations in mesoscopic systems. PhD Thesis, University of New South Wales, 2007.

Andreas Luscher. Doped quantum antiferromagnets. PhD Thesis, University of New South Wales, 2007.

Timur Mukhamedjanov. Manifestations of fundamental symmetry violation in solids : a theoretical approach. PhD Thesis, University of New South Wales, 2006.

Pavel Schevchenko. Quantum phenomena in strongly correlated electrons systems. PhD Thesis, University of New South Wales, 1999.

Alexander V. Dotsenko. Strongly correlated electrons and high temperature superconductivity. PhD Thesis, University of New South Wales, 1996.

Research group meetings

The group meets most weeks in the seminar room X, Ground floor, Old Main building, on Tuesdays, beginning at 11.00 am.