The randomized measurement toolbox
Programmable quantum simulators and quantum computers are opening unprecedented
opportunities for exploring and exploiting the properties of highly entangled complex …
opportunities for exploring and exploiting the properties of highly entangled complex …
Group-invariant quantum machine learning
Quantum machine learning (QML) models are aimed at learning from data encoded in
quantum states. Recently, it has been shown that models with little to no inductive biases (ie …
quantum states. Recently, it has been shown that models with little to no inductive biases (ie …
Entanglement barrier and its symmetry resolution: Theory and experimental observation
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 …
matrix. In out-of-equilibrium situations, eg, after a quantum quench of a product state, it is …
[HTML][HTML] Analysing quantum systems with randomised measurements
Measurements with randomly chosen settings determine many important properties of
quantum states without the need for a shared reference frame or calibration. They naturally …
quantum states without the need for a shared reference frame or calibration. They naturally …
Reflected entropy and computable cross-norm negativity: Free theories and symmetry resolution
We investigate a separability criterion based on the computable cross-norm (CCNR), and a
related quantity called the CCNR negativity. We introduce a reflected version of the CCNR …
related quantity called the CCNR negativity. We introduce a reflected version of the CCNR …
Collective randomized measurements in quantum information processing
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 …
for analyzing quantum systems and is central for methods like shadow tomography of …
Universal entanglement and correlation measure in two-dimensional conformal field theories
We calculate the amount of entanglement shared by two intervals in the ground state of a
(1+ 1)-dimensional conformal field theory (CFT), quantified by an entanglement measure E …
(1+ 1)-dimensional conformal field theory (CFT), quantified by an entanglement measure E …
A hybrid framework for estimating nonlinear functions of quantum states
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 …
fundamental and practical interest in quantum science and technology. Here we show a …
Enhanced estimation of quantum properties with common randomized measurements
We present a technique for enhancing the estimation of quantum state properties by
incorporating approximate prior knowledge about the quantum state. This consists in …
incorporating approximate prior knowledge about the quantum state. This consists in …
Predicting arbitrary state properties from single hamiltonian quench dynamics
Analog quantum simulation is an essential routine for quantum computing and plays a
crucial role in studying quantum many-body physics. Typically, the quantum evolution of an …
crucial role in studying quantum many-body physics. Typically, the quantum evolution of an …