Work

Universality in the anticoncentration of chaotic quantum circuits

Year: 2025

Type: article

Abstract: The authors uncover here a universal functional form governing anticoncentration, which quantifies how broadly the output probabilities of a random quantum circuit are distributed, across architectures, depths, and even finite system sizes. Using analytical models and extensive simulations, they show that these distributions are characterized by just two parameters. Their results highlight finite-size and finite-depth effects and provide a practical framework for benchmarking quantum devices, enabling validation of much larger systems than previously possible.

Source: Physical review. B./Physical review. B

DOI: 10.1103/lkwg-4dbt

Authors: Arman Sauliere, Beatrice Magni, Guglielmo Lami, Xhek Turkeshi, Jacopo De Nardis

Institutions: CY Cergy Paris Université, University of Cologne

Language: English

Topic: Quantum Computing Algorithms and Architecture

Subfield: Artificial Intelligence

Field: Computer Science

Domain: Physical Sciences

Open Access status: green

Funders: Deutsche Forschungsgemeinschaft, European Research Council

Award: G1067308730