Graham Kells - Research Web page


Contact           : Dept. of Mathematical Physics,              
Information     : NUI Maynooth,                                       Office:  +353 1 708 3339
                       : Maynooth, Co. Kildare,                            Fax    : +353 1 708 3967
                       : Ireland.

Email              :  gkells[at-character]thphys[dot]nuim[dot]ie .


Near-zero-energy end states in topologically trivial spin-orbit coupled superconducting nanowires with a smooth confinement

Endstates in multichannel spinless p-wave superconducting wires

Enhanced Zero-Bias Majorana Peak in the Differential Tunneling Conductance of Disordered Multi-subband Quantum-Wire/Superconductor Junctions

  • F. Pientka, G. Kells, A. Romito, P. W. Brouwer, and F. von Oppen

         Phys. Rev. Lett, 109, 227006 (2012)

Low-energy sub-gap states in multi-channel p-wave superconducting wires

Kaleidoscope of topological phases with multiple Majorana species (IOP Select )

Diagonalisation of quantum observables on regular lattices and general graphs.

Chiral edge modes on a p-wave magnetic spin model .

Exact results on the star lattice chiral spin liquid (Editors suggestion)

  • G. Kells, D. Mehta, J.K. Slingerland and J. Vala.

A description of Kitaev's honeycomb model with toric code stabilizers

Finite size effects in the Kitaev honeycomb lattice model on a torus.

Topological degeneracy and vortex dynamics in the Kitaev honeycomb model.

Spectrum of the non-Abelian phase in Kitaev's honeycomb lattice model.

Stability analysis of the kicked Harper model’s accelerator modes .

Dynamical properties of the kicked harmonic oscillator.

LAW: A tool for improved productivity with high-performance linear algebra codes.

Eigensolutions of the kicked Harper model,

Quantum chaos in the delta kicked harmonic oscillator. Phd2005.pdf  (15MB)

(Ph.D. thesis with Prof . J. Twamley and Prof. D. M. Heffernan)

Quantum Chaos Animations