Quantum-enhanced measurements exploit quantum mechanical effects for increasing the
sensitivity of measurements of certain physical parameters and have great potential for both …

Controlling and measuring the temperature in different devices and platforms that operate in
the quantum regime is, without any doubt, essential for any potential application. In this …

We summarize important recent advances in quantum metrology, in connection to
experiments in cold gases, trapped cold atoms and photons. First we review simple …

The unknown temperature of a sample can be estimated with minimal disturbance by putting
it in thermal contact with an individual quantum probe. If the interaction time is sufficiently …

Quantum information theory has considerably helped in the understanding of quantum many-
body systems. The role of quantum correlations and in particular, bipartite entanglement …

We derive explicit expressions for the quantum Fisher information and the symmetric
logarithmic derivative (SLD) of a quantum state in the exponential form ρ= exp (G); the SLD …

The geometry of Hamiltonian's eigenstates is encoded in the quantum geometric tensor
(QGT), containing both the Berry curvature, central to the description of topological matter …

We propose the use of a quantum thermal machine for low-temperature thermometry. A hot
thermal reservoir coupled to the machine allows for simultaneously cooling the sample while …

Thermodynamics relies on the possibility to describe systems composed of a large number
of constituents in terms of few macroscopic variables. Its foundations are rooted into the …

Distinguishing hot from cold is the most primitive form of thermometry. Here we consider how
well this task can be performed using a single qubit to distinguish between two different …