Quantum technologies exploit entanglement to revolutionize computing, measurements, and
communications. This has stimulated the research in different areas of physics to engineer …

Quantum decoherence plays a pivotal role in the dynamical description of the quantum-to-
classical transition and is the main impediment to the realization of devices for quantum …

Over the course of the past decade, decoherence has become a ubiquitous scienti? c term
popular in all kinds of research, from fundamental theories of quantum physics to …

This paper reviews quantum spin squeezing, which characterizes the sensitivity of a state
with respect to SU (2) rotations, and is significant for both entanglement detection and high …

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

We report on the experimental demonstration of the internal bosonic Josephson effect in a
rubidium spinor Bose-Einstein condensate. The measurement of the full time dynamics in …

Entanglement is the key quantum resource for improving measurement sensitivity beyond
classical limits. However, the production of entanglement in mesoscopic atomic systems has …

Chaotic behaviour is ubiquitous and plays an important part in most fields of science. In
classical physics, chaos is characterized by hypersensitivity of the time evolution of a system …

We revisit well-known protocols in quantum metrology using collective spins and propose a
unifying picture for optimal state preparation based on a semiclassical description in phase …

Despite almost a century's worth of study, it is still unclear how general relativity (GR) and
quantum theory (QT) should be unified into a consistent theory. The conventional approach …