A protocol with two generalized measurements prepares versatile probe states from thermal qubits to enhance quantum Fisher information for decay rate and temperature estimation in amplitude damping channels, deriving an analytical link to thermodynamic susceptibilities and Hamiltonian variance valid
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A triple-species MOT traps and cools 10^8 atoms each of 85Rb, 87Rb, and 133Cs with interspecies losses small enough not to prevent operation.
In situ spatially resolved phase measurement in atom interferometers characterizes parabolic wavefront bias with 1 mrad uncertainty and accounts for finite-size effects.
Robust optimal control algorithm using adaptive linearization of the evolution operator, sequential quadratic programming, and Legendre polynomials designs high-fidelity Bragg pulses achieving |±40 ħk⟩ transfers under 10-40% parameter variations.
First experimental observation of a T^{-3} lineshape-asymmetry-caused shift in short-baseline atomic gravimeters that produces noticeable systematic errors in measured gravitational acceleration.
citing papers explorer
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Versatile probe state preparation via generalized measurements for quantum sensing and thermometry
A protocol with two generalized measurements prepares versatile probe states from thermal qubits to enhance quantum Fisher information for decay rate and temperature estimation in amplitude damping channels, deriving an analytical link to thermodynamic susceptibilities and Hamiltonian variance valid
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Characterisation of a triple-species ${}^\text{87}$Rb/ ${}^\text{85}$Rb/ ${}^\text{133}$Cs magneto-optical trap
A triple-species MOT traps and cools 10^8 atoms each of 85Rb, 87Rb, and 133Cs with interspecies losses small enough not to prevent operation.
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Wavefront Mapping for Absolute Atom Interferometry
In situ spatially resolved phase measurement in atom interferometers characterizes parabolic wavefront bias with 1 mrad uncertainty and accounts for finite-size effects.
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Robust Quantum Control for Bragg Pulse Design in Atom Interferometry
Robust optimal control algorithm using adaptive linearization of the evolution operator, sequential quadratic programming, and Legendre polynomials designs high-fidelity Bragg pulses achieving |±40 ħk⟩ transfers under 10-40% parameter variations.
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$T^{-3}$-shift in a short-baseline atomic interferometer-gravimeter
First experimental observation of a T^{-3} lineshape-asymmetry-caused shift in short-baseline atomic gravimeters that produces noticeable systematic errors in measured gravitational acceleration.