Pseudospin Quantum Computation in Semiconductor Nanostructures
V. W. Scarola, K. Park, S. Das Sarma
Abstract
We theoretically show that spontaneously interlayer-coherent bilayer quantum Hall droplets should allow robust and fault-tolerant pseudospin quantum computation in semiconductor nanostructures with voltage-tuned external gates providing qubit control and a quantum Ising Hamiltonian providing qubit entanglement. Using a spin-boson model we estimate decoherence to be small ( 10-5).
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