10.9k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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15 papers · 2 filters
Time-optimal synthesis of SU(2) transformations for a spin-1/2 system
A. D. Boozer
We consider a quantum control problem involving a spin-1/2 particle in a magnetic field. The magnitude of the field is held constant, and the direction of the field, which is const…
High data-rate atom interferometer for measuring acceleration
Hayden J. McGuinness, Akash V. Rakholia, Grant W. Biedermann
We demonstrate a high data-rate light-pulse atom interferometer for measuring acceleration. The device is optimized to operate at rates between 50 Hz to 330 Hz with sensitivities o…
Can One Trust Quantum Simulators?
Philipp Hauke, Fernando M. Cucchietti, Luca Tagliacozzo +2
Various fundamental phenomena of strongly-correlated quantum systems such as high- superconductivity, the fractional quantum-Hall effect, and quark confinement are still await…
Control of inhomogeneous atomic ensembles of hyperfine qudits
Brian E. Mischuck, Seth T. Merkel, Ivan H. Deutsch
We study the ability to control d-dimensional quantum systems (qudits) encoded in the hyperfine spin of alkali-metal atoms through the application of radio- and microwave-frequency…
Fault-tolerant quantum computing with color codes
Andrew J. Landahl, Jonas T. Anderson, Patrick R. Rice
We present and analyze protocols for fault-tolerant quantum computing using color codes. We present circuit-level schemes for extracting the error syndrome of these codes fault-tol…
Homological Stabilizer Codes
Jonas T. Anderson
In this paper we define homological stabilizer codes which encompass codes such as Kitaev's toric code and the topological color codes. These codes are defined solely by the graphs…
Quantum Nonlocality in Weak-Thermal-Light Interferometry
Mankei Tsang
In astronomy, interferometry of light collected by separate telescopes is often performed by physically bringing the optical paths together in the form of Young's double-slit exper…
Entanglement-based perturbation theory for highly anisotropic Bose-Einstein condensates
Alexandre B. Tacla, Carlton M. Caves
We investigate the emergence of three-dimensional behavior in a reduced-dimension Bose-Einstein condensate trapped by a highly anisotropic potential. We handle the problem analytic…
Quantum Filtering (Quantum Trajectories) for Systems Driven by Fields in Single Photon States and Superposition of Coherent States
J. E. Gough, M. R. James, H. I. Nurdin +1
We derive the stochastic master equations, that is to say, quantum filters, and master equations for an arbitrary quantum system probed by a continuous-mode bosonic input field in…
Entropic measures of nonclassical correlations
Matthias D. Lang, Carlton M. Caves, Anil Shaji
A framework for categorizing entropic measures of nonclassical correlations in bipartite quantum states is presented. The measures are based on the difference between a quantum ent…
Cavity quantum electro-optics. II. Input-output relations between traveling optical and microwave fields
Mankei Tsang
In the previous paper [M. Tsang, Phys. Rev. A 81, 063837 (2010), e-print arXiv:1003.0116], I proposed a quantum model of a cavity electro-optic modulator, which can coherently coup…
Maximum information gain in weak or continuous measurements of qudits: complementarity is not enough
Joshua Combes, Howard M. Wiseman
To maximize average information gain for a classical measurement, all outcomes of an observation must be equally likely. The condition of equally likely outcomes may be enforced in…
Holonomic quantum computing in symmetry-protected ground states of spin chains
Joseph M. Renes, Akimasa Miyake, Gavin K. Brennen +1
While solid-state devices offer naturally reliable hardware for modern classical computers, thus far quantum information processors resemble vacuum tube computers in being neither…
Quantum feedback for rapid state preparation in the presence of control imperfections
Joshua Combes, Howard M. Wiseman
Quantum feedback control protocols can improve the operation of quantum devices. Here we examine the performance of a purification protocol when there are imperfections in the cont…
Characterization of a qubit Hamiltonian using adaptive measurements in a fixed basis
Alexandr Sergeevich, Anushya Chandran, Joshua Combes +2
We investigate schemes for Hamiltonian parameter estimation of a two-level system using repeated measurements in a fixed basis. The simplest (Fourier based) schemes yield an estima…