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From the 1 of 8 linked papers with an AI index.

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8 papers

quant-ph2026

Nonplanar qubit with tunable gauge symmetry

Muqing Yu, Han Bi, Hengli Lo +6

The authors build a non‑planar superconducting qubit using a 3×3 crossbar Josephson array that exhibits a flux‑tunable \(\mathbb{Z}_3\) combinatorial gauge symmetry, and demonstrat…

cond-mat.str-el2026

Hall-on-Toric: Descendant Laughlin state in the chiral toric code

Robin Schäfer, Claudio Chamon, Chris R. Laumann

We demonstrate that the chiral toric code -- the quintessential model of topological order -- hosts additional, emergent topological phases when perturbed: descendan…

quant-ph2026

Bridging Classical and Quantum Information Scrambling with the Operator Entanglement Spectrum

Ben T. McDonough, Claudio Chamon, Justin H. Wilson +1

Universal features of chaotic quantum dynamics underlie our understanding of thermalization in closed quantum systems and the complexity of quantum computations. Reversible automat…

cond-mat.str-el2026

Topological order and Fractons from Gauging Exponential Symmetries

Guilherme Delfino, Claudio Chamon, Yizhi You

We broaden the scope of quantum field theory by introducing a general class of discrete gauge theories that realize either topological order or fracton behavior across dimensions.…

cond-mat.supr-con2025

Cooper-pair splitters as circuit elements for realizing topological superconductors

Guilherme Delfino, Dmitry Green, Saulius Vaitiekėnas +2

Advances in materials and fabrication of superconducting devices allows the exploration of novel quantum effects in synthetic superconducting systems beyond conventional Josephson…

cond-mat.stat-mech2025

Circuit complexity and functionality: a thermodynamic perspective

Claudio Chamon, Andrei E. Ruckenstein, Eduardo R. Mucciolo +1

Circuit complexity, defined as the minimum circuit size required for implementing a particular Boolean computation, is a foundational concept in computer science. Determining circu…