851 citations · 10.3k across the 131 of their papers we have counts for
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From estimation of quantum probabilities to simulation of quantum circuits
Hakop Pashayan, Stephen D. Bartlett, David Gross
Investigating the classical simulability of quantum circuits provides a promising avenue towards understanding the computational power of quantum systems. Whether a class of quantu…
Spin of a multielectron quantum dot and its interaction with a neighboring electron
Filip K. Malinowski, Frederico Martins, Thomas B. Smith +8
We investigate the spin of a multielectron GaAs quantum dot in a sequence of nine charge occupancies, by exchange coupling the multielectron dot to a neighboring two-electron doubl…
Locality-Preserving Logical Operators in Topological Stabiliser Codes
Paul Webster, Stephen D. Bartlett
Locality-preserving logical operators in topological codes are naturally fault-tolerant, since they preserve the correctability of local errors. Using a correspondence between such…
Tensor Networks with a Twist: Anyon-permuting domain walls and defects in PEPS
Jacob C. Bridgeman, Stephen D. Bartlett, Andrew C. Doherty
We study the realization of anyon-permuting symmetries of topological phases on the lattice using tensor networks. Working on the virtual level of a projected entangled pair state,…
Ultrahigh Error Threshold for Surface Codes with Biased Noise
David K. Tuckett, Stephen D. Bartlett, Steven T. Flammia
We show that a simple modification of the surface code can exhibit an enormous gain in the error correction threshold for a noise model in which Pauli Z errors occur more frequentl…
Long-range entanglement for spin qubits via quantum Hall edge modes
Samuel J. Elman, Stephen D. Bartlett, Andrew C. Doherty
We propose and analyse a scheme for performing a long-range entangling gate for qubits encoded in electron spins trapped in semiconductor quantum dots. Our coupling makes use of an…