867 citations
- Forschungszentrum JülichDE10 papers
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6 papers · 1 filter
Surface code with decoherence: An analysis of three superconducting architectures
Joydip Ghosh, Austin G. Fowler, Michael R. Geller
We consider realistic, multi-parameter error models and investigate the performance of the surface code for three possible fault-tolerant superconducting quantum computer architect…
Simulating the Transverse Ising Model on a Quantum Computer: Error Correction with the Surface Code
Hao You, Michael R. Geller, P. C. Stancil
We estimate the resource requirements for the quantum simulation of the ground state energy of the one dimensional quantum transverse Ising model (TIM), based on the surface code i…
Quantum Simulation of Tunneling in Small Systems
Andrew T. Sornborger
A number of quantum algorithms have been performed on small quantum computers; these include Shor's prime factorization algorithm, error correction, Grover's search algorithm and a…
Controlled-NOT gate with weakly coupled qubits: Dependence of fidelity on the form of interaction
Joydip Ghosh, Michael R. Geller
An approach to the construction of the CNOT quantum logic gate for a 4-dimensional coupled-qubit model with weak but otherwise arbitrary coupling has been given recently [M. R. Gel…
Maximally entangling tripartite protocols for Josephson phase qubits
Andrei Galiautdinov, John M. Martinis
We introduce a suit of simple entangling protocols for generating tripartite GHZ and W states in systems with anisotropic exchange interaction g(XX+YY)+g'ZZ. An interesting example…
Single-step controlled-NOT logic from any exchange interaction
Andrei Galiautdinov
A self-contained approach to studying the unitary evolution of coupled qubits is introduced, capable of addressing a variety of physical systems described by exchange Hamiltonians…