Senior Research Fellow, University of Cambridge

Fellow of the Heilbronn Institute for Mathematical Research

steve.brierley at damtp.cam.ac.uk | +44 (0)1223 760 382

I'm a senior research Fellow in applied Mathematics at the University of Cambridge. The focus of my research is quantum information and computation and I am a member of the Centre for Quantum Information and Foundations. I also work as a research fellow at the Heilbronn Institute for Mathematical Research that applies cutting edge mathematics to real world problems.

Quantum computation and information is a vibrant field with many exciting questions still to be answered. My research is about the theory of quantum systems, architectures for quantum computers and quantum algorithms. I want to discover more about where the power of quantum computers comes from and what differentiates quantum and classical mechanics. To this end, I have worked on topics such as non-locality, entanglement theory, quantum state tomography and the geometry of quantum state space.

Is it possible to distribute a quantum computer across many sites and still be able to run powerful quantum algorithms with a minimal overhead? Work with coworkers from Bristol, Princeton and MIT has demonstrated that the answer is in fact yes...

My coworkers and I have discovered new algorithms to run on a quantum computer (once one is built!). The first is called the MultiGrover algorithm and allows you to perform parallel Grover searches ...

The separation problem is a fundamental convex optimization problem. We have developed a powerful new technique to solve the separation problem and show how it can be used to search for Bell inequalities...

The violation of a Bell inequality demonstrates that the outcomes of an experiment have contradicted a set of well defined classical intuitions. Quantum mechanics allows correlations between space-like separated parties that have no classical explanation...

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