The future development of quantum technologies relies on creating and manipulating
quantum systems of increasing complexity, with key applications in computation, simulation …

With the rapid development of quantum technologies, a pressing need has emerged for a
wide array of tools for the certification and characterization of quantum devices. Such tools …

Predicting the properties of complex, large-scale quantum systems is essential for
develo** quantum technologies. We present an efficient method for constructing an …

The precise control of complex quantum systems promises numerous technological
applications including digital quantum computing. The complexity of such devices renders …

Randomized benchmarking refers to a collection of protocols that in the past decade have
become central methods for characterizing quantum gates. These protocols aim at efficiently …

Pauli channels are ubiquitous in quantum information, both as a dominant noise source in
many computing architectures and as a practical model for analyzing error correction and …

Quantum tomography is currently ubiquitous for testing any implementation of a quantum
information processing device. Various sophisticated procedures for state and process …

The impressive pace of advance of quantum technology calls for robust and scalable
techniques for the characterization and validation of quantum hardware. Quantum process …

We show that entangled measurements provide an exponential advantage in sample
complexity for Pauli channel estimation, which is both a fundamental problem and a …

In this work, we show how the resource theory of nonstabilizerness quantifies the hardness
of direct fidelity estimation protocols. In particular, the resources needed for a direct fidelity …