The operator entanglement (OE) is a key quantifier of the complexity of a reduced density
matrix. In out-of-equilibrium situations, eg, after a quantum quench of a product state, it is …

Quantum thermodynamics aims to extend standard thermodynamics and non-equilibrium
statistical physics to systems with sizes well below the thermodynamic limit. It is a rapidly …

Multipartite entanglement plays an essential role in both quantum information science and
many-body physics. Because of the exponentially large dimension and complex geometric …

The concept of randomized measurements on individual particles has proven to be useful
for analyzing quantum systems and is central for methods like shadow tomography of …

Estimating nonlinear functions of quantum states, such as the moment tr (ρ m), is of
fundamental and practical interest in quantum science and technology. Here we show a …

Efficiently measuring nonlinear properties, like the entanglement spectrum, is a significant
yet challenging task from quantum information processing to many-body physics. Current …

Metasurface enables the generation and manipulation of multiphoton entanglement with flat
optics, providing a more efficient platform for large-scale photonic quantum information …

Quantum entanglement is the core resource in quantum information processing and
quantum computing. It is a significant challenge to effectively characterize the entanglement …

We provide a systematic method for nonlinear entanglement detection based on trace
polynomial inequalities. In particular, this allows us to employ multipartite witnesses for the …

Randomized measurements constitute a simple measurement primitive that exploits the
information encoded in the outcome statistics of samples of local quantum measurements …