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Weak value amplification : new insights and applications
, 2023 Weak Value Amplification (WVA) is a signal enhancement technique proposed in 1988 by Aharonov, Albert, and Vaidman that has been widely used to measure tiny changes that otherwise cannot be determined because of technical limitations. It is based on: i) the existence of a weak interaction which couples a property of a system (the system) with a ...
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Quantum-coherence-free precision metrology by means of difference-signal amplification
Scientific Reports, 2023 The novel weak-value-amplification (WVA) scheme of precision metrology is deeply rooted in the quantum nature of destructive interference between the pre- and post-selection states.
Jialin Li +4 more
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Quantum sensors based on weak-value amplification cannot overcome decoherence [PDF]
, 2013 Sensors that harness exclusively quantum phenomena (such as entanglement) can achieve superior performance compared to those employing only classical principles.
Benjamin, Simon C. +3 more
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Geosciences, 2023 The assessment of slope susceptibility to seismically-induced displacements receives wide attention in the geotechnical earthquake engineering field, but the alteration of the seismic wave inside the slope and at the ground surface due to the presence of
Gaetano Falcone +2 more
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Enhanced probing of fermion interaction using weak-value amplification [PDF]
Physical Review A, 2013 We propose a scheme for enhanced probing of an interaction between two single fermions based on weak-value amplification. The scheme is applied to measuring the anisotropic electron-hole exchange interaction strength in semiconductor quantum dots, where both spin and energy are mapped onto emitted photons.
Hayat, Alex +2 more
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Failure Mechanism of Rock Slopes under Different Seismic Excitation
Advances in Materials Science and Engineering, 2021 In earthquake-prone areas, special attention should be paid to the study of the seismic stability of rock slope. Particularly, it becomes much more complicated for the rock slopes with weak structural surfaces. In this study, numerical simulation and the
Hua Tang +4 more
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High-Throughput Chiral Molecule Determination Based on Multi-Channel Weak Measurement
IEEE Photonics Journal, 2021 A multi-channel high-throughput chiral molecule determination method based on weak value amplification (WVA) is proposed for the first time. This method can be used for high-throughput and high-precision determination of chiral molecule.
Lixuan Shi +9 more
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Weak-value amplification: state of play
Quantum Measurements and Quantum Metrology, 2016 AbstractWeak values arise in quantum theory when the result of a weak measurement is conditioned on a subsequent strong measurement. The majority of the trials are discarded, leaving only very few successful events. Intriguingly those can display a substantial signal amplification.
Knee, George C. +3 more
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Weak value amplification and beyond the standard quantum limit in position measurements [PDF]
, 2015 In a weak measurement with post-selection, a measurement value, called the weak value, can be amplified beyond the eigenvalues of the observable. However, there are some controversies whether the weak value amplification is practically useful or not in ...
Nishizawa, Atsushi
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Improvement of signal-to-noise ratio in parallel neuron arrays with spatially nearest neighbor correlated noise. [PDF]
PLoS ONE, 2018 We theoretically investigate the signal-to-noise ratio (SNR) of a parallel array of leaky integrate-and-fire (LIF) neurons that receives a weak periodic signal and uses spatially nearest neighbor correlated noise.
Tianquan Feng +3 more
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