在二维量子处理器上观测无无序局域化现象
量子物理
2025-07-08 v2 无序系统与神经网络
强关联电子
高能物理 - 格点
摘要
量子多体系统中的无序诱导现象对分析方法和数值模拟构成重大挑战，尤其是在相关时间和系统规模下。为降低无序抽样成本，我们研究初始化为可调节至所有无序配置叠加态的量子电路。在具有平移不变性的晶格规范理论 (LGT) 中，这些态可解释为对规范子域的叠加。我们观察到在一维和二维中发生无无序的 LGT 中的局域化：扰动未能扩散，尽管演化和初始态完全无序。然而，Renyi 熵测量揭示，叠加准备的态与直接无序抽样得到的态根本不同。利用叠加，我们提出一种在抽样无序配置方面实现多项式加速的算法，这是许多体局域化研究中长期以来的挑战。
引用
@article{arxiv.2410.06557,
title = {Observation of disorder-free localization using a (2+1)D lattice gauge theory on a quantum processor},
author = {Gaurav Gyawali and Shashwat Kumar and Yuri D. Lensky and Eliott Rosenberg and Aaron Szasz and Tyler Cochran and Renyi Chen and Amir H. Karamlou and Kostyantyn Kechedzhi and Julia Berndtsson and Tom Westerhout and Abraham Asfaw and Dmitry Abanin and Rajeev Acharya and Laleh Aghababaie Beni and Trond I. Andersen and Markus Ansmann and Frank Arute and Kunal Arya and Nikita Astrakhantsev and Juan Atalaya and Ryan Babbush and Brian Ballard and Joseph C. Bardin and Andreas Bengtsson and Alexander Bilmes and Gina Bortoli and Alexandre Bourassa and Jenna Bovaird and Leon Brill and Michael Broughton and David A. Browne and Brett Buchea and Bob B. Buckley and David A. Buell and Tim Burger and Brian Burkett and Nicholas Bushnell and Anthony Cabrera and Juan Campero and Hung-Shen Chang and Zijun Chen and Ben Chiaro and Jahan Claes and Agnetta Y. Cleland and Josh Cogan and Roberto Collins and Paul Conner and William Courtney and Alexander L. Crook and Sayan Das and Dripto M. Debroy and Laura DeLorenzo and Alexander Del Toro Barba and Sean Demura and Agustin DiPaolo and Paul Donohoe and Ilya Drozdov and Andrew Dunsworth and Clint Earle and Alec Eickbusch and Aviv Moshe Elbag and Mahmoud Elzouka and Catherine Erickson and Lara Faoro and Reza Fatemi and Vinicius S. Ferreira and Leslie Flores Burgos and Ebrahim Forati and Austin G. Fowler and Brooks Foxen and Suhas Ganjam and Robert Gasca and William Giang and Craig Gidney and Dar Gilboa and Raja Gosula and Alejandro Grajales Dau and Dietrich Graumann and Alex Greene and Jonathan A. Gross and Steve Habegger and Michael C. Hamilton and Monica Hansen and Matthew P. Harrigan and Sean D. Harrington and Stephen Heslin and Paula Heu and Gordon Hill and Jeremy Hilton and Markus R. Hoffmann and Hsin-Yuan Huang and Ashley Huff and William J. Huggins and Lev B. Ioffe and Sergei V. Isakov and Evan Jeffrey and Zhang Jiang and Cody Jones and Stephen Jordan and Chaitali Joshi and Pavol Juhas and Dvir Kafri and Hui Kang and Trupti Khaire and Tanuj Khattar and Mostafa Khezri and Mária Kieferová and Seon Kim and Paul V. Klimov and Andrey R. Klots and Bryce Kobrin and Alexander N. Korotkov and Fedor Kostritsa and John Mark Kreikebaum and Vladislav D. Kurilovich and David Landhuis and Tiano Lange-Dei and Brandon W. Langley and Pavel Laptev and Kim-Ming Lau and Loick LeGuevel and Justin Ledford and Joonho Lee and Kenny Lee and Brian J. Lester and Wing Yan Li and Alexander T. Lill and Wayne Liu and William P. Livingston and Aditya Locharla and Daniel Lundahl and Aaron Lunt and Sid Madhuk and Ashley Maloney and Salvatore Mandrà and Leigh S. Martin and Steven Martin and Orion Martin and Cameron Maxfield and Jarrod R. McClean and Matt McEwen and Seneca Meeks and Anthony Megrant and Xiao Mi and Kevin C. Miao and Amanda Mieszala and Sebastian Molina and Shirin Montazeri and Alexis Morvan and Ramis Movassagh and Charles Neill and Ani Nersisyan and Michael Newman and Anthony Nguyen and Murray Nguyen and Chia-Hung Ni and Murphy Yuezhen Niu and William D. Oliver and Kristoffer Ottosson and Alex Pizzuto and Rebecca Potter and Orion Pritchard and Leonid P. Pryadko and Chris Quintana and Matthew J. Reagor and David M. Rhodes and Gabrielle Roberts and Charles Rocque and Nicholas C. Rubin and Negar Saei and Kannan Sankaragomathi and Kevin J. Satzinger and Henry F. Schurkus and Christopher Schuster and Michael J. Shearn and Aaron Shorter and Noah Shutty and Vladimir Shvarts and Volodymyr Sivak and Jindra Skruzny and Spencer Small and W. Clarke Smith and Sofia Springer and George Sterling and Jordan Suchard and Marco Szalay and Alex Sztein and Douglas Thor and M. Mert Torunbalci and Abeer Vaishnav and Sergey Vdovichev and Guifre Vidal and Catherine Vollgraff Heidweiller and Steven Waltman and Shannon X. Wang and Theodore White and Kristi Wong and Bryan W. K. Woo and Cheng Xing and Z. Jamie Yao and Ping Yeh and Bicheng Ying and Juhwan Yoo and Noureldin Yosri and Grayson Young and Adam Zalcman and Yaxing Zhang and Ningfeng Zhu and Nicholas Zobrist and Sergio Boixo and Julian Kelly and Erik Lucero and Yu Chen and Vadim Smelyanskiy and Hartmut Neven and Dmitry Kovrizhin and Johannes Knolle and Jad C. Halimeh and Igor Aleiner and Roderich Moessner and Pedram Roushan},
journal= {arXiv preprint arXiv:2410.06557},
year = {2025}
}