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Izak Snyman
School of Physics
University of the Witwatersrand
Phone (office): 011-717-6883
E-mail: [email protected]
Nationality: South African
Date of birth: 23 July 1980
Education
2008
Ph.D.
Leiden University, Condensed Matter Physics.
Thesis: Scattering problems involving electrons, photons and Dirac electrons.
Advisors: C. W. J. Beenakker (Leiden) and Yu. V. Nazarov (Delft).
2004
M.Sc. Stellenbosch University, Theoretical Physics.
2002
B. Sc.
Stellenbosch University, Physics.
Employment
September 2012 until present
Senior Lecturer, School of Physics, University of the
Witwatersrand.
October 2008 until July 2012.
Researcher, National Institute for Theoretical Physics, and extraordinary lecturer, Departement of Physics, Stellenbosch
University.
Research interests
General field: Theoretical Condensed Matter Physics.
Area of specialization: Quantum transport.
Current projects:
o
Electron correlations in impurity systems that display a Fermi edge singularity.
o
Polarons in carbon nanotubes
Ongoing interests:
o
Disorder and localization
o
Mesoscopic superconductivity
o
Quantum Hall effects without Landau levels
o
Dirac electrons in graphene
Research Grants
2010 – 2012
NRF Thuthuka Grant (post- Ph.D. track)
Title of research proposal: Polarons in suspended carbon nanotubes.
Publications
Articles published in refereed journals
1. I. Snyman (2013) Electron-electron correlations in a dynamical impurity system with a Fermi
edge singularity. Phys. Rev. B 87, 165135.
2. A. Sheikhan and I. Snyman (2012) Fermi edge singularity and finite frequency spectral
features in a semi-infinite one-dimensional wire. Phys. Rev. B 86, 085122.
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Izak Snyman
3. I. Snyman and Yu. V. Nazarov (2012) Polarons in suspended carbon nanotubes. Phys. Rev.
Lett. 108, 076805.
4. I. Snyman (2009) Gapped state of a carbon monolayer in periodic magnetic and electric fields.
Phys. Rev. B 80, 054303.
5. I. Snyman and Yu. V. Nazarov (2009) Bi-stability in voltage-biased normal-metal/ insulator/
superconductor/ insulator/ normal-metal structures. Phys. Rev. B 79, 014510.
6. I. Snyman, J. Tworzydło and C. W. J. Beenakker (2008) Calculation of the conductance of a
graphene sheet using the Chalker-Coddington network model. Phys Rev B 78, 045118.
7. I. Snyman and Y.V. Nazarov (2008) The Keldysh action of a general time-dependent scatterer.
Phys Rev B 77, 165118.
8. I. Snyman and Y.V. Nazarov (2007) Polarization of a charge qubit strongly coupled to a
voltage-driven quantum point contact. Phys. Rev. Lett. 99, 096802.
9. J. Tworzydło, I. Snyman, A.R. Akhmerov and C.J.W. Beenakker (2007) Valley-isospin
dependence of the quantum Hall effect in a graphene p-n junction. Phys. Rev. B 76, 035411.
10. I. Snyman and C.W.J. Beenakker (2007) Ballistic transmission through a graphene bi-layer.
Phys. Rev. B 75, 045322.
11. I. Snyman and H.B. Geyer (2006) Strong-coupling limit of the Richardson Hamiltonian
analyzed using the Dyson mapping. Phys. Rev. B 73, 144516.
12. J. Tobiska, J. Danon, I. Snyman and Y.V. Nazarov (2006) Quantum tunneling detection of twophoton and two-electron processes. Phys. Rev. Lett. 96, 096801.
Refereed Conference Proceedings
1. H.B. Geyer and I. Snyman (2005) The Richardson Hamiltonian in the strong coupling limit:
new results from an application of the non-unitary Dyson mapping. Czech. J. Phys. 55, 1091.
2. H.B. Geyer, F.G. Scholtz and I. Snyman (2004) Quasi-hermiticity and the role of a metric in
some boson Hamiltonians. Czech. J. Phys. 54, 1069.
3. I. Snyman and H.B. Geyer (2004) A non-unitary mapping from Cooper pairs to bosons. Czech.
J. Phys. 54, 1133.
4. I. Snyman (2004) Ambiguities in the regularization of the spiked harmonic oscillator. Czech. J.
Phys 54, 139.
Pre-prints
1. J. D. Brand and I. Snyman (2011) Hall conductance from Berry curvature in carbon nanotubes.
arXiv:1105.4758.
Editorial
1. J. Van den Brink and I. Snyman (2007) Advancing science in Africa. Nature Mater. 6, 792.
Teaching
2013
Freshman Physics (Electrostatics). (First year Engineering students, University of the
Witwatersrand.)
2012
Quantum mechanics and its applications. (Third year B.Sc course, University of the
Witwatersrand)
2009 – 2011
Introduction to quantum many body theory. (Honors course, Stellenbosch University).
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Izak Snyman
2008
Introduction to quantum mechanics. (Second year B.Sc. course, Stellenbosch
University).
Graduate supervision
J. D. Brand
M. Sc.
H. J. R. van Zyl
M. Sc.
Thesis: A Quantum Hal effect without Landau Levels in a
carbon nanotube. (Graduated 2012)
Thesis: Bound states near the interface of a distorted
graphene sheet and a superconductor (Graduated 2011)
Selected talks and conference contributions
o
Fingerprints of the Loschmidt echo in the long range correlations induced by a dynamical
impurity in a Fermi gas. International workshop on equilibration and thermalization in
quantum systems, (NITheP, April 2013).
o
Hall conductance from Berry curvature in carbon nanotubes. NITheP seminar (2011).
o
Non-equilibrium quantum transport. International workshop on nonequilibrium quantum
many-body correlated systems, (NITheP, October 2010), and Physics seminar, Wits (2010).
o
One parameter scaling for the massive Dirac equation with scalar disorder. Annual SAIP
conference, (Pretoria, 2010).
o
The gapped state in a carbon mono-layer in periodic electric and magnetic fields. APS March
meeting (Portland, Oregon, 2010). Theory seminar, group of Joel Moore, UC Berkeley,
(2010).
o
Bi-stability in a voltage biased superconducting island. Annual SAIP conference, (Durban,
2009).
o
Quantum tunneling detection of two electron and two photon processes. European Network
meeting on nanoscale dynamics and quantum coherence, (Catania, 2005).
o
A non-unitary mapping from Cooper pairs to bosons, 2nd International workshop on pseudoHermitian Hamiltonians in quantum physics, (Prague, 2004).
Academic service
o
Co-organizer
(with Jens Eisert and Michael Kastner ) International workshop on
equilibration and thermalization in quantum systems . National Institute
for Theoretical Physics, (Stellenbosch, April 2013).
o
Co-organizer
o
Co-organizer
o
External Examiner
(with Jan von Delft) International workshop on the quantum physics of
low dimensional systems and materials. National Institute for
Theoretical Physics, (Stellenbosch, January 2011).
(with Jan von Delft) International workshop on new renormalization
techniques in condensed matter systems. National Institute for
Theoretical Physics, (Stellenbosch, September 2009).
Student essays. African Institute for Mathematical Sciences,
Muizenberg, (2010).
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