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Comment on "Thermodynamic Principle for Quantum Metrology"
Shane Dooley, Michael J. Kewming, Mark T. Mitchison +1
In Phys. Rev. Lett. 128, 200501 (2022) the authors consider the thermodynamic cost of quantum metrology. One of the main results is $\mathcal{S} \geq \log(2) \| h_λ\|^{-2} F_Q [ψ_λ…
Robust quantum sensing in strongly interacting systems with many-body scars
Shane Dooley
In most quantum sensing schemes, interactions between the constituent particles of the sensor are expected to lead to thermalisation and degraded sensitivity. However, recent theor…
Enhancing the effect of quantum many-body scars on dynamics by minimising the effective dimension
Shane Dooley, Graham Kells
Quantum many-body scarring is believed to be the mechanism behind long-lived coherent oscillations in interacting Rydberg atom chains. These persistent oscillations are due to the…
Simulating quantum circuits by adiabatic computation: improved spectral gap bounds
Shane Dooley, Graham Kells, Hosho Katsura +1
Adiabatic quantum computing is a framework for quantum computing that is superficially very different to the standard circuit model. However, it can be shown that the two models ar…
Making the most of time in quantum metrology: concurrent state preparation and sensing
Anthony J. Hayes, Shane Dooley, William J. Munro +2
A quantum metrology protocol for parameter estimation is typically comprised of three stages: probe state preparation, sensing and then readout, where the time required for the fir…