Quantum sensing

CL Degen, F Reinhard, P Cappellaro - Reviews of modern physics, 2017 - APS
“Quantum sensing” describes the use of a quantum system, quantum properties, or quantum
phenomena to perform a measurement of a physical quantity. Historical examples of …

Quantum metrology with nonclassical states of atomic ensembles

L Pezze, A Smerzi, MK Oberthaler, R Schmied… - Reviews of Modern …, 2018 - APS
Quantum technologies exploit entanglement to revolutionize computing, measurements, and
communications. This has stimulated the research in different areas of physics to engineer …

[HTML][HTML] Photonic quantum metrology

E Polino, M Valeri, N Spagnolo, F Sciarrino - AVS Quantum Science, 2020 - pubs.aip.org
Quantum metrology is one of the most promising applications of quantum technologies. The
aim of this research field is the estimation of unknown parameters exploiting quantum …

Learning many-body Hamiltonians with Heisenberg-limited scaling

HY Huang, Y Tong, D Fang, Y Su - Physical Review Letters, 2023 - APS
Learning a many-body Hamiltonian from its dynamics is a fundamental problem in physics.
In this Letter, we propose the first algorithm to achieve the Heisenberg limit for learning an …

Non-Gaussian quantum states and where to find them

M Walschaers - PRX quantum, 2021 - APS
Gaussian states have played an important role in the physics of continuous-variable
quantum systems. They are appealing for the experimental ease with which they can be …

Optical atomic clocks

AD Ludlow, MM Boyd, J Ye, E Peik, PO Schmidt - Reviews of Modern Physics, 2015 - APS
Optical atomic clocks represent the state of the art in the frontier of modern measurement
science. In this article a detailed review on the development of optical atomic clocks that are …

Observation of separated dynamics of charge and spin in the fermi-hubbard model

F Arute, K Arya, R Babbush, D Bacon, JC Bardin… - arXiv preprint arXiv …, 2020 - arxiv.org
Strongly correlated quantum systems give rise to many exotic physical phenomena,
including high-temperature superconductivity. Simulating these systems on quantum …

Advances in quantum metrology

V Giovannetti, S Lloyd, L Maccone - Nature photonics, 2011 - nature.com
The statistical error in any estimation can be reduced by repeating the measurement and
averaging the results. The central limit theorem implies that the reduction is proportional to …

Topologically protected quantum entanglement emitters

T Dai, Y Ao, J Bao, J Mao, Y Chi, Z Fu, Y You… - Nature …, 2022 - nature.com
Entanglement and topology portray nature at the fundamental level but differently. Entangled
states of particles are intrinsically sensitive to the environment, whereas the topological …

[HTML][HTML] Geometric perspective on quantum parameter estimation

JS Sidhu, P Kok - AVS Quantum Science, 2020 - pubs.aip.org
Quantum metrology holds the promise of an early practical application of quantum
technologies, in which measurements of physical quantities can be made with much greater …