C2QA

"Colloquium - Topologically ordered states on a noisy quantum processor"

Presented by Pedram Roushan, Google Quantum AI

Wednesday, February 8, 2023, 1:30 pm — Videoconference / Virtual Event (see link below)

The discovery of topological order has revolutionized the understanding of quantum matter in modern physics and provided the theoretical foundation for many quantum error correcting codes. Realizing topologically ordered states has proven to be extremely challenging in both condensed matter and synthetic quantum systems. In this talk, I will present several examples of realization of topological states on our noisy intermediate scale superconducting quantum processor [1,2,3]. We implement an efficient quantum circuit to realize the ground state of the toric code Hamiltonian and study exchange statistics of Abelian and non-Abelian particles. We study the prospect of employing these quasi-particles in quantum computation and utilize braiding to create an entangled state of anyons encoding three logical qubits. Our results demonstrate the potential for quantum processors to provide key insights into topological quantum matter and quantum error correction.

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