Quantum metrology

We consider the problem of frequency estimation for a single bosonic field evolving under a squeezing Hamiltonian and continuously …

We show that continuous quantum nondemolition (QND) measurement of an atomic ensemble is able to improve the precision of frequency …

We discuss the problem of estimating a frequency via [Formula: see text]-qubit probes undergoing independent dephasing channels that …

We study quantum frequency estimation for $N$ qubits subjected to independent Markovian noise, via strategies based on time-continuous …

We consider the estimation of a weak magnetic field B acting on a continuously monitored ensemble of atoms subjected to collective …

We address the estimation of the magnetic field B acting on an ensemble of atoms with total spin J subjected to collective transverse …

Should the Dicke model of light-matter interaction include a diamagnetic term? This question has generated intense debate in the …

A usual assumption in quantum estimation is that the unknown parameter labels the possible states of the system, while it influences …

Quantum gravity theories predict a minimal length at the order of magnitude of the Planck length, under which the concepts of space and …

We address the characterization of dissipative bosonic channels and show that estimation of the loss rate by Gaussian probes (coherent …