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LATEST PROJECTS
We used the commercially available D-Wave DW-2000Q device to build and probe a topological phase that has been widely sought for many years and is a candidate platform for quantum computation. While we cannot observe the full quantum regime due to the limitations of the current device, we do observe unmistakable signatures of the phase in its classical limit at the endpoint of the quantum annealing protocol. We also identified additional features that D-Wave would need to implement fully functional topological qubits.
Clifford circuits are insufficient of universal quantum computation and can be classically simulated. Using numerical simulation and finite size scaling, we were able to show that adding a single T-gate into a random Clifford Circuit drives the transition to universal entanglement spectrum statistics in the thermodynamic limit, a necessary condition for universal quantum computation.
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