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Gapped Two-body Hamiltonian whose Unique Ground State is Universal for One-way Quantum Computation
Xie Chen, Bei Zeng, Zhengcheng Gu +2
Many-body entangled quantum states studied in condensed matter physics can be primary resources for quantum information, allowing any quantum computation to be realized using measu…
Individual addressing of ions using magnetic field gradients in a surface-electrode ion trap
Shannon X. Wang, Jaroslaw Labaziewicz, Yufei Ge +2
Dense array of ions in microfabricated traps represent one possible way to scale up ion trap quantum computing. The ability to address individual ions is an important component of…
A Two-Dimensional Lattice Ion Trap for Quantum Simulation
Robert J. Clark, Tongyan Lin, Kenneth R. Brown +1
Quantum simulations of spin systems could enable the solution of problems which otherwise require infeasible classical resources. Such a simulation may be implemented using a well-…
Nonbinary Codeword Stabilized Quantum Codes
Xie Chen, Bei Zeng, Isaac L. Chuang
The codeword stabilized (CWS) quantum codes formalism presents a unifying approach to both additive and nonadditive quantum error-correcting codes (arXiv:0708.1021 [quant-ph]), but…
Cryogenic Ion Trapping Systems with Surface-Electrode Traps
P. B. Antohi, D. Schuster, G. M. Akselrod +5
We present two simple cryogenic RF ion trap systems in which cryogenic temperatures and ultra high vacuum pressures can be reached in as little as 12 hours. The ion traps are opera…
Temperature Dependence of Electric Field Noise Above Gold Surfaces
Jaroslaw Labaziewicz, Yufei Ge, David Leibrandt +3
Electric field noise from fluctuating patch potentials is a significant problem for a broad range of precision experiments, including trapped ion quantum computation and single spi…