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 developing 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 …
ST Flammia, JJ Wallman - ACM Transactions on Quantum Computing, 2020 - dl.acm.org
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 …
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 …
AM Palmieri, E Kovlakov, F Bianchi, D Yudin… - npj Quantum …, 2020 - nature.com
Quantum tomography is currently ubiquitous for testing any implementation of a quantum information processing device. Various sophisticated procedures for state and process …
It is well known that a quantum circuit on $ N $ qubits composed of Clifford gates with the addition of $ k $ non Clifford gates can be simulated on a classical computer by an algorithm …
Scrambling of quantum information is an important feature at the root of randomization and benchmarking protocols, the onset of quantum chaos, and black-hole physics. Unscrambling …
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 …