| Title: |
Evidence for a two-dimensional quantum glass state at high temperatures |
| Authors: |
Lunkin, Aleksey; Ticea, Nicole S.; Kumar, Shashwat; Miao, Connie; Choi, Jaehong; Alghadeer, Mohammed; Drozdov, Ilya; Abanin, Dmitry; Abbas, Amira; Acharya, Rajeev; Beni, Laleh; Aigeldinger, Georg; Alcaraz, Ross; Alcaraz, Sayra; Ansmann, Markus; Arute, Frank; Arya, Kunal; Askew, Walt; Astrakhantsev, Nikita; Atalaya, Juan; Babbush, Ryan; Ballard, Brian; Bardin, Joseph C.; Bates, Hector; Bengtsson, Andreas; Karimi, Majid; Bilmes, Alexander; Bilodeau, Simon; Borjans, Felix; Bourassa, Alexandre; Bovaird, Jenna; Bowers, Dylan; Brill, Leon; Brooks, Peter; Broughton, Michael; Browne, David A.; Buchea, Brett; Buckley, Bob B.; Burger, Tim; Burkett, Brian; Bushnell, Nicholas; Busnaina, Jamal; Cabrera, Anthony; Campero, Juan; Chang, Hung-Shen; Chen, Silas; Chen, Zijun; Chiaro, Ben; Chih, Liang-Ying; Cleland, Agnetta Y.; Cochrane, Bryan; Cockrell, Matt; Cogan, Josh; Conner, Paul; Cook, Harold; Cortiñas, Rodrigo G.; Courtney, William; Crook, Alexander L.; Curtin, Ben; Damyanov, Martin; Das, Sayan; Debroy, Dripto M.; Demura, Sean; Donohoe, Paul; Dunsworth, Andrew; Ehimhen, Valerie; Eickbusch, Alec; Elbag, Aviv Moshe; Ella, Lior; Elzouka, Mahmoud; Enriquez, David; Erickson, Catherine; Faoro, Lara; Ferreira, Vinicius S.; Flores, Marcos; Burgos, Leslie; Fontes, Sam; Forati, Ebrahim; Ford, Jeremiah; Foxen, Brooks; Fukami, Masaya; Fung, Alan Wing; Fuste, Lenny; Ganjam, Suhas; Garcia, Gonzalo; Garrick, Christopher; Gasca, Robert; Gehring, Helge; Geiger, Robert; Giang, William; Gilboa, Dar; Goeders, James E.; Gonzales, Edward C.; Gosula, Raja; Graaf, Stijn J.; Dau, Alejandro; Graumann, Dietrich; Grebel, Joel; Greene, Alex; Gross, Jonathan A.; Guerrero, Jose; Guevel, Loïck; Ha, Tan; Habegger, Steve; Hadick, Tanner; Hadjikhani, Ali; Hamilton, Michael C.; Hansen, Monica; Harrigan, Matthew P.; Harrington, Sean D.; Hartshorn, Jeanne; Heslin, Stephen; Heu, Paula; Higgott, Oscar; Hiltermann, Reno; Hilton, Jeremy; Huang, Hsin-Yuan; Hucka, Mike; Hudspeth, Christopher; Huff, Ashley; Huggins, William J.; Jeffrey, Evan; Jevons, Shaun; Jiang, Zhang; Jin, Xiaoxuan; Jones, Cody; Joshi, Chaitali; Juhas, Pavol; Kabel, Andreas; Kafri, Dvir; Kang, Hui; Kang, Kiseo; Karamlou, Amir H.; Kaufman, Ryan; Kechedzhi, Kostyantyn; Kelly, Julian; Khattar, Tanuj; Khezri, Mostafa; Kim, Seon; Klimov, Paul V.; Knaut, Can M.; Kobrin, Bryce; Korotkov, Alexander N.; Kostritsa, Fedor; Kreikebaum, John Mark; Kudo, Ryuho; Kueffler, Ben; Kumar, Arun; Kurilovich, Vladislav D.; Kutsko, Vitali; Lange-Dei, Tiano; Langley, Brandon W.; Laptev, Pavel; Lau, Kim-Ming; Leavell, Emma; Ledford, Justin; Lee, Joonho; Lee, Joy; Lee, Kenny; Lester, Brian J.; Leung, Wendy; Li, Lily; Li, Wing Yan; Li, Ming; Lill, Alexander T.; Livingston, William P.; Lloyd, Matthew T.; Lorenzo, Laura; Lucero, Erik; Lundahl, Daniel; Lunt, Aaron; Madhuk, Sid; Maiti, Aniket; Maloney, Ashley; Mandrà, Salvatore; Martin, Leigh S.; Martin, Orion; Mascot, Eric; Das, Paul; Maslov, Dmitri; Mathews, Melvin; Maxfield, Cameron; McClean, Jarrod R.; McEwen, Matt; Meeks, Seneca; Megrant, Anthony; Miao, Kevin C.; Minev, Zlatko K.; Molavi, Reza; Molina, Sebastian; Montazeri, Shirin; Neill, Charles; Newman, Michael; Nguyen, Anthony; Nguyen, Murray; Ni, Chia-Hung; Niu, Murphy Yuezhen; Oas, Logan; Oliver, William D.; Orosco, Raymond; Ottosson, Kristoffer; Pagano, Alice; Paolo, Agustin; Peek, Sherman; Peterson, David; Pizzuto, Alex; Portoles, Elias; Potter, Rebecca; Pritchard, Orion; Qian, Michael; Quintana, Chris; Ramachandran, Ganesh; Ranadive, Arpit; Reagor, Matthew J.; Resnick, Rachel; Rhodes, David M.; Riley, Daniel; Roberts, Gabrielle; Rodriguez, Roberto; Ropes, Emma; Rose, Lucia B.; Rosenberg, Eliott; Rosenfeld, Emma; Rosenstock, Dario; Rossi, Elizabeth; Rower, David A.; Salazar, Robert; Sankaragomathi, Kannan; Sarihan, Murat Can; Satzinger, Kevin J.; Schaefer, Max; Schroeder, Sebastian; Schurkus, Henry F.; Shahingohar, Aria; Shearn, Michael J.; Shorter, Aaron; Shvarts, Vladimir; Sivak, Volodymyr; Small, Spencer; Smith, W. Clarke; Sobel, David A.; Spells, Barrett; Springer, Sofia; Sterling, George; Suchard, Jordan; Szasz, Aaron; Sztein, Alexander; Taylor, Madeline; Thiruraman, Jothi Priyanka; Thor, Douglas; Timucin, Dogan; Tomita, Eifu; Torres, Alfredo; Torunbalci, M. Mert; Tran, Hao; Vaishnav, Abeer; Vargas, Justin; Vdovichev, Sergey; Vidal, Guifre; Villalonga, Benjamin; Heidweiller, Catherine; Voorhees, Meghan; Waltman, Steven; Waltz, Jonathan; Wang, Shannon X.; Ware, Brayden; Watson, James D.; Wei, Yonghua; Weidel, Travis; White, Theodore; Wong, Kristi; Woo, Bryan W.; Wood, Christopher J.; Woodson, Maddy; Xing, Cheng; Yao, Z. Jamie; Yeh, Ping; Ying, Bicheng; Yoo, Juhwan; Yosri, Noureldin; Young, Elliot; Young, Grayson; Zalcman, Adam; Zhang, Ran; Zhang, Yaxing; Zhu, Ningfeng; Zobrist, Nicholas; Zou, Zhenjie; Boixo, Sergio; Neven, Hartmut; Smelyanskiy, Vadim; Andersen, Trond I.; Roushan, Pedram; Feigelman, Mikhail V.; Ioffe, Lev B. |
| Publication Year: |
2026 |
| Collection: |
ArXiv.org (Cornell University Library) |
| Subject Terms: |
Quantum Physics; Disordered Systems and Neural Networks |
| Description: |
Disorder in quantum many-body systems can drive transitions between ergodic and non-ergodic phases, yet the nature--and even the existence--of these transitions remains intensely debated. Using a two-dimensional array of superconducting qubits, we study an interacting spin model at finite temperature in a disordered landscape, tracking dynamics both in real space and in Hilbert space. Over a broad disorder range, we observe an intermediate non-ergodic regime with glass-like characteristics: physical observables become broadly distributed and some, but not all, degrees of freedom are effectively frozen. The Hilbert-space return probability shows slow power-law decay, consistent with finite-temperature quantum glassiness. In the same regime, we detect the onset of a finite Edwards-Anderson order parameter and the disappearance of spin diffusion. By contrast, at lower disorder, spin transport persists with a nonzero diffusion coefficient. Our results show that there is a transition out of the ergodic phase in two-dimensional systems. |
| Document Type: |
text |
| Language: |
unknown |
| Relation: |
http://arxiv.org/abs/2601.01309 |
| Availability: |
http://arxiv.org/abs/2601.01309 |
| Accession Number: |
edsbas.C10F1E5C |
| Database: |
BASE |