Tuesday, 5 March 2013

Jesper Romers, Postdoctoral Research Fellow, University of Oxford

Jesper's research will be focusing on various aspects of topologically ordered phases of matter.

Jesper Romers was born in the Dutch city of Delft, where he also completed his undergraduate studies at Delft University of Technology. He then went to the University of Amsterdam, where he completed a Master's and Ph.D. in Theoretical Condensed Matter Physics.

Together with professor Sander Bais he developed a framework in which the modular S-matrix of a Topological Quantum Field Theory can be used as an order parameter to distinguish between different phases related to one another by Bose condensation of quasiparticles.

In collaboration with professor Kareljan Schoutens he proposed wave functions for Charged Spin Textures (CSTs) over the Moore-Read (M-R) fractional quantum Hall state. These excitations are an incarnation of "half-Skyrmions" that are numerically predicted to be present under certain conditions near the filling fraction 5/2. They went on to show that the properties of these CSTs lock to the non-Abelian statistics of the M-R state, which allows a novel mechanism for the read-out of a topological quantum bit."



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