{"paper":{"title":"Distinct Lifetimes for $X$ and $Z$ Loop Measurements in a Majorana Tetron Device","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"A. ben Hamida, Ahmad Azizimanesh, Ajuan Cui, Alba P\\'erez Millan, Alejandro Alcaraz Ramirez, Alex Webster, A.M. Zimmerman, Andrea G. Boa, Andreas Ekefj\\\"ard, Andrey Antipov, Anirudh Narla, Anna Wulff Viazmitinova, Beatriz Viegas, Bela Bauer, Benjamin J. Chapman, B.P. Nabar, Brian Paquelet Wuetz, Camille Papon, Caroline Tynell Hansen, Celine Dinesen, Chetan Nayak, Christian M{\\o}llgaard, Christina Knapp, Christina Sfetsou, Chung-Kai Yang, Cristina Sfiligoj, David J. van Woerkom, David Razmadze, Deshan Govender, Dima Pikulin, Dmitrii V. Viazmitinov, Dominik J. Vogel, D.W. Tom, Eduardo Puchol Morejon, Emily Toomey, Emma R. Schmidgall, Emrah Yucelen, Eoin O'Farrell, Eric Banek, Esben Bork Hansen, Esteban Martinez, Evelyn King, Fabiano Corsetti, Farhad Karimi, Flavio Griggio, Fr\\'ed\\'eric Nolet, Geoffrey C. Gardner, George Moussa, Georg W. Winkler, Gijs de Lange, Gonzalo Leon Gonzalez, Guangze Li, Guoji Zheng, Hamidreza Chalabi, Henri J. Suominen, Henrik Ingerslev, Irene Sanlorenzo, Ivan Sadovskyy, Ivan Urban, Jan Borovsky, Jan Gukelberger, Jason Cho, Jaspreet Singh Jhoja, Jeffrey C Jones, Jeffrey Lai, Jens Hedegaard Nielsen, Jes\\'us Herranz Zamorano, John Hornibrook, John Schack, John Watson, Jonathan Becker, Jonne V. Koski, Joseph Weston, Joshua Tracy, Jouri D.S. Bommer, J. R. Mattinson, Juan Carlos Estrada Salda\\~na, Judith Suter, Karl D Petersson, Kasper Spiegelhauer, Keita Otani, Kevin van Hoogdalem, Kongyi Li, Konstantin V. Kalashnikov, Kyunghoon Lee, Laurens Holgaard, Lauri Sainiemi, Laveena Manjunath, L\\'eo Bourdet, Lieuwe J. Stek, Lovro Ivancevic, Luca Galletti, Luca Petit, Lucas Casparis, Lukas Avilovas, Marco Mattila, Maren Elisabeth Kloster, Marijn Lucas, Mariusz Andrzejczuk, Marzie Hamdast, Mason Thomas, Matthew D. Turner, Matthew Looij, Max Jantos, Michael J. Manfra, Michael J. Nystrom, Michelle Turley, Mikhail Astafev, Mohana Rajpalke, Morten Hannibal Madsen, Morteza Aghaee, M. W. A. de Moor, Nasiari Madulid, Nichlaus Bohac, Nikolaos Chatzaras, Pasi Kostamo, Patrick Codd, Patrick Sohr, Patrick Str{\\o}m-Hansen, Paul W. Cooper, Rachpon Kalra, Raj Tholapi, Ray Kallaher, Rikke Andersen, Roland Zeisel, Roman Lutchyn, R. P. G. McNeil, Ruben Grigoryan, Ryan V. Mishmash, Saeed Fallahi, Samantha Ho, Samuel Boutin, Samuel M. L. Teicher, Sarang Mittal, Sarat Sinha, Sebastian Grijalva, Sebastian Heedt, Sergei Gronin, Seth Kimes, Shang-Jyun (Richard) Yu, Sherwan Jamo, Shivendra Upadhyay, Shuang Liang, Signe Markussen, Simon Schaal, Srini Boddapati, Srivatsa Chakravarthi, Tareq El Dandachi, Tatiane Pereira dos Santos, Thomas A. Ohki, Thomas Jensen, Thomas L. S{\\o}rensen, Thorvald W. Larsen, Timothy Williamson, Toma\\v{s} Stankevi\\'c, Tom Laeven, Torsten Karzig, Trevor Morgan, Tyler Lindemann, Tzu-Chiao Chien, Umesh Kumar Bhaskar, Vidul Joshi, William Cole, William Hvidtfelt Padk{\\ae}r Nielsen, Yuan Ren, Zulfi Alam","submitted_at":"2025-07-11T17:55:22Z","abstract_excerpt":"We present a hardware realization and measurements of a tetron qubit device in a superconductor-semiconductor heterostructure. The device architecture contains two parallel superconducting nanowires, which support four Majorana zero modes (MZMs) when tuned into the topological phase, and a trivial superconducting backbone. Two distinct readout interferometers are formed by connecting the superconducting structure to a series of quantum dots. We perform single-shot interferometric measurements of the fermion parity for the two loops, designed to implement Pauli-$X$ and $Z$ measurements of the t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.08795","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2507.08795/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}