61 citations · 142 across the 4 of their papers we have counts for
4 papers
Incoherent dynamics in the toric code subject to disorder
Beat Röthlisberger, James R. Wootton, Robert M. Heath +2
We numerically study the effects of two forms of quenched disorder on the anyons of the toric code. Firstly, a new class of codes based on random lattices of stabilizer operators i…
Self-Correcting Quantum Memory in a Thermal Environment
Stefano Chesi, Beat Röthlisberger, Daniel Loss
The ability to store information is of fundamental importance to any computer, be it classical or quantum. To identify systems for quantum memories which rely, analogously to class…
Quantum Computing with Electron Spins in Quantum Dots
Robert Andrzej Żak, Beat Röthlisberger, Stefano Chesi +1
Several topics on the implementation of spin qubits in quantum dots are reviewed. We first provide an introduction to the standard model of quantum computing and the basic criteria…
Numerical evaluation of convex-roof entanglement measures with applications to spin rings
Beat Röthlisberger, Jörg Lehmann, Daniel Loss
We present two ready-to-use numerical algorithms to evaluate convex-roof extensions of arbitrary pure-state entanglement monotones. Their implementation leaves the user merely with…