Topological Quantum Computation (SUSTech candidates only)


Please contact Dr Jiannis Pachos (Leeds) or Professor Yu Dapeng (SUSTech) to discuss this project further informally. 

Project description

The prospective PhD students will spend the first two years at Leeds and the remaining two years at SUSTech. All of them will have access to sufficient supervision and equipment/facilities at both sides. The students must pass the minimal admission requirement of both Leeds and SUSTech. PhD  students can join in  Majorana-based quantum computation project. This approach to quantum computing promises a very high level of fault-tolerance by employing non-Abelian anyons called Majorana  fermions. This  approach  became  central  in  contemporary  investigations  of condensed matter physics due to key experimental advances towards the realization of Majorana fermions. 

The  research  project  aims  to  the  realization  or  simulation  of  Majorana  fermions  in  physical systems and the construction of efficient quantum computation protocols to encode, process and read-out quantum information. While many signatures for the existence of Majorana fermions already exist, their exotic anyonic statistics has not been yet implemented in the laboratory. Such a demonstration can also be used for non-trivially processing quantum information. We will aim to propose ways to simulate the anyonic behaviour of Majorana fermions in linear optics, optical lattices and solid-state systems that go beyond current proposals. Subsequently, we aim to use the proposed system in order to encode quantum information,  by anyonic state preparation.  The method will depend on the optimal physical system employed to realize the Majorana fermions. We will test a variety of control procedures and choose the optimal for the realization of Majorana braiding  that  will bring about  their  non-Abelian  statistical  evolution.  The  study  will  take  into account realistic experimental conditions, including finite temperature, decoherence time of the system  and experimental  imperfections.  A thorough  analytical and numerical modeling of the system will be carried out before experimental implementation is sought.

After the study in Leeds, PhD students can continue with this project in the Institute for Quantum Science and Engineering (IQSE) led by Prof. Yu at SUSTech.

Entry requirements

Applicants should have, or expect to obtain, a minimum of a UK upper second class honours degree in Physics or a related discipline, or equivalent.

How to apply

If English is not your first language, you must provide evidence that you have English language proficiency of at least IELTS 6.5 with no component below 6.0, or equivalent.

Applications should be submitted via SUSTech in the first instance. Following nomination by SUSTech, formal applications for Split-site research degree study should then be made online through the University of Leeds website. Please state clearly in the research information section that the PhD you wish to be considered for is ‘Topological Quantum Computation (SUSTech candidates only)’ as well as Dr Jiannis Pachos as your proposed supervisor.

If you require any further information please contact the Graduate School Office e: