The Wigner function was formulated in 1932 by Eugene Paul Wigner, at a time when
quantum mechanics was in its infancy. In doing so, he brought phase space representations …

Large-scale quantum effects have always played an important role in the foundations of
quantum theory. With recent experimental progress and the aspiration for quantum …

The stable operation of quantum computers will rely on error correction, in which single
quantum bits of information are stored redundantly in the Hilbert space of a larger system …

Quantum phase transitions (QPTs) are usually associated with many-body systems in the
thermodynamic limit when their ground states show abrupt changes at zero temperature with …

Conical intersections are ubiquitous in chemistry and physics, often governing processes
such as light harvesting, vision, photocatalysis and chemical reactivity. They act as funnels …

Precise quantum control and measurement of several harmonic oscillators, such as the
modes of the electromagnetic field in a cavity or of mechanical motion, are key for their use …

Quantum physics allows for entanglement between microscopic and macroscopic objects,
described by discrete and continuous variables, respectively. As in Schrödinger's famous cat …

A quantitative assessment of the progress of small prototype quantum processors towards
fault-tolerant quantum computation is a problem of current interest in experimental and …

Cat states, with their unique phase-space interference properties, are ideal candidates for
understanding fundamental principles of quantum mechanics and performing key quantum …

The quantum Rabi model describing the fundamental interaction between light and matter is
a cornerstone of quantum physics. It predicts exotic phenomena like quantum phase …