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Quantum Noise, Scaling and Domain Formation in a Spinor BEC
George I. Mias, Nigel R. Cooper, S. M. Girvin
In this paper we discuss Bose-Einstein spinor condensates for F=1 atoms in the context of 87Rb, as studied experimentally by the Stamper-Kurn group [Sadler et al. Nature (2006)]. T…
Coupling Superconducting Qubits via a Cavity Bus
J. Majer, J. M. Chow, J. M. Gambetta +11
Superconducting circuits are promising candidates for constructing quantum bits (qubits) in a quantum computer; single-qubit operations are now routine, and several examples of two…
Charge insensitive qubit design derived from the Cooper pair box
Jens Koch, Terri M. Yu, Jay Gambetta +7
Short dephasing times pose one of the main challenges in realizing a quantum computer. Different approaches have been devised to cure this problem for superconducting qubits, a pri…
Quantum Theory of Cavity-Assisted Sideband Cooling of Mechanical Motion
Florian Marquardt, Joe P. Chen, A. A. Clerk +1
We present a fully quantum theory describing the cooling of a cantilever coupled via radiation pressure to an illuminated optical cavity. Applying the quantum noise approach to the…