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Quantum amplification of mechanical oscillator motion
S. C. Burd, R. Srinivas, J. J. Bollinger +5
Detection of the weakest forces in nature and the search for new physics are aided by increasingly sensitive measurements of the motion of mechanical oscillators. However, the atta…
Trapped-ion spin-motion coupling with microwaves and a near-motional oscillating magnetic field gradient
R. Srinivas, S. C. Burd, R. T. Sutherland +5
We present a new method of spin-motion coupling for trapped ions using microwaves and a magnetic field gradient oscillating close to the ions' motional frequency. We demonstrate an…
Versatile laser-free trapped-ion entangling gates
R. T. Sutherland, R. Srinivas, S. C. Burd +6
We present a general theory for laser-free entangling gates with trapped-ion hyperfine qubits, using either static or oscillating magnetic-field gradients combined with a pair of u…
Quantum optimal control of the dissipative production of a maximally entangled state
Karl P. Horn, Florentin Reiter, Yiheng Lin +2
Entanglement generation can be robust against noise in approaches that deliberately incorporate dissipation into the system dynamics. The presence of additional dissipation channel…
Phase-space study of surface-electrode Paul traps: Integrable, chaotic, and mixed motions
V. Roberdel, D. Leibfried, D. Ullmo +1
We present a comprehensive phase-space treatment of the motion of charged particles in electrodynamic traps. Focusing on five-wire surface-electrode Paul traps, we study the detail…