Results 31 to 40 of about 4,829 (196)
Cryptographic approach to quantum metrology [PDF]
Physical Review A, 2022 3 figures ...
Shettell, Nathan +2 more
openaire +2 more sources
Incompatibility in Multi-Parameter Quantum Metrology with Fermionic Gaussian States
Proceedings, 2019 In this article we derive a closed form expression for the incompatibility condition in multi-parameter quantum metrology when the reference states are Fermionic Gaussian states.
Angelo Carollo +2 more
doaj +1 more source
Quantum metrology in local dissipative environments
New Journal of Physics, 2017 Quantum metrology allows us to attain a measurement precision that surpasses the classically achievable limit by using quantum characters. The metrology precision is raised from the standard quantum limit (SQL) to the Heisenberg limit (HL) by using ...
Yuan-Sheng Wang, Chong Chen, Jun-Hong An
doaj +1 more source
Applied Sciences, 2021 In this work, biomolecules, such as membrane proteins, lipids, and DNA, were identified and their spatial distribution was mapped within a single Escherichia coli cell by Raman hyperspectral imaging.
Giulia Barzan +5 more
doaj +1 more source
QMetrology from QCosmology: Study with entangled two qubit open quantum system in De Sitter space
SciPost Physics Core, 2021 In this paper, our prime objective is to apply the techniques of parameter estimation theory and the concept of Quantum Metrology in the form of Fisher Information to investigate the role of certain physical quantities in the open quantum dynamics of ...
Sayantan Choudhury, Satyaki Chowdhury, Nitin Gupta, Abinash Swain
doaj +1 more source
Compatibility in multiparameter quantum metrology [PDF]
Physical Review A, 2016 v2: Corrected form of the Holevo Cramer-Rao bound, other minor ...
Ragy, Sammy Hany +2 more
openaire +3 more sources
Exponentially Enhanced Quantum Metrology [PDF]
Physical Review Letters, 2008 4 pages, 1 postscript figure ; typos ...
Roy, S. M., Braunstein, Samuel L.
openaire +3 more sources
Loschmidt echo for quantum metrology [PDF]
Physical Review A, 2016 We propose a versatile Loschmidt echo protocol to detect and quantify multiparticle entanglement. It allows us to extract the quantum Fisher information for arbitrary pure states, and finds direct application in quantum metrology. In particular, the protocol applies to states that are generally difficult to characterize, as non-Gaussian states, and ...
Macri T, Smerzi A, Pezze L
openaire +3 more sources
Chiral Phase Change Nanomaterials
Advanced Functional Materials, EarlyView.This work demonstrates reversible, non‐volatile phase transitions in chiral Ge2${\rm Ge}_2$Sb2${\rm Sb}_2$Te5${\rm Te}_5$ (GST) nanohelices for high‐speed optical modulation of chirality and dynamic control of the state of polarization (SOP). The chiral nanostructures are fabricated using a highly directional, wafer‐scale physical vapor deposition ...
Joshua A. Burrow +11 more
wiley +1 more source
Advanced Materials, EarlyView.AI‐Assisted Workflow for (Scanning) Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling. Abstract (Scanning) transmission electron microscopy ((S)TEM) has significantly advanced materials science but faces challenges in correlating precise atomic structure information with the functional properties of ...
Marc Botifoll +19 more
wiley +1 more source