activity
20172026
most citedNon-Abelian Topological Order and Anyons on a Trapped-Ion Processor

175 citations · 1.7k across the 55 of their papers we have counts for

collaborators

59 papers

quant-ph2026

Invertible subalgebras for chiral semion topological order

Yu-An Chen, Meng Sun, Nathanan Tantivasadakarn +2

Chiral topological order is incompatible with strictly two-dimensional local commuting-projector Hamiltonians on finite-dimensional tensor-product Hilbert spaces. Invertible subalg…

quant-ph2026

Cups and Gates II: Operads, twists, and addressable intra-code gates

Nikolas P. Breuckmann, Margarita Davydova, Jens Niklas Eberhardt +2

In Part I, we introduced a general framework for constructing logical gates in quantum CSS codes from cohomology invariants, focusing on cup products and their generalizations from…

quant-ph2026

Magic Quantum Code Surgery

Kathleen Chang, Anasuya Lyons, Yuanjie Ren +5

Non-Clifford operations required for universal quantum computation can be implemented by measuring logical Clifford operators. We present a generalized framework to fault-tolerantl…

quant-ph2026

Exact Recovery for Non-Abelian Surface Codes

Alison Warman, Nathanan Tantivasadakarn, Sakura Schafer-Nameki

We study exact recovery for non-Abelian topological surface codes based on the quantum double of any finite group . We determine an orthogonal error basis, that is compri…

quant-ph2026

Coupled-Layer Codes: Beyond Quantum Product Constructions

Shuyu Zhang, Tzu-Chieh Wei, Nathanan Tantivasadakarn

Product codes are an important class of quantum error-correcting codes constructed from multiple input codes, which can give rise to asymptotically good quantum low-density parity…

quant-ph2026

Non-Clifford quantum cellular automata from invertible topological quantum field theories

Meng Sun, Zongyuan Wang, Bowen Yang +2

Quantum cellular automata (QCAs) describe locality-preserving quantum dynamics and connect quantum information, many-body physics, and topological quantum field theory (TQFT). Cons…

quant-ph2026

Majorana-Pauli stabilizer codes and duality webs of fermionic topological phases

Meng Sun, Zongyuan Wang, Nathanan Tantivasadakarn +1

Stabilizer codes provide exact lattice realizations of bosonic topological orders. In contrast, systematic stabilizer descriptions of intrinsically fermionic topological phases rem…

cond-mat.str-el2026

Spontaneous breaking of non-invertible symmetries and duality to beyond-Landau transitions

Xie Chen, Shang Liu, Da-chuan Lu +1

Spontaneous symmetry breaking is a well-understood mechanism for generating distinct phases of matter. Recently, the notion of symmetry has been broadened to include operations wit…

quant-ph2026

Coupled-Layer Construction of Quantum Product Codes

Shuyu Zhang, Tzu-Chieh Wei, Nathanan Tantivasadakarn

Product codes are a class of quantum error correcting codes built from two or more constituent codes. They have recently gained prominence for a breakthrough yielding quantum low-d…

quant-ph2026

Quantum logic control and entanglement in hybrid atom-molecule arrays

Chi Zhang, Sara Murciano, Nathanan Tantivasadakarn +1

Polar molecules, with their rich internal structure, offer immense potential for fundamental physics, quantum technology, and controlled chemistry. However, their utilization is cu…

cond-mat.str-el2026

Generalized Kramers-Wannier Self-Duality in Hopf-Ising Models

Da-Chuan Lu, Arkya Chatterjee, Nathanan Tantivasadakarn

The Kramers-Wannier transformation of the 1+1d transverse-field Ising model exchanges the paramagnetic and ferromagnetic phases and, at criticality, manifests as a non-invertible s…

quant-ph2026

Universal Gates from Braiding and Fusing Anyons on Quantum Hardware

Chiu Fan Bowen Lo, Anasuya Lyons, Dan Gresh +8

Topological quantum computation encodes quantum information in the internal fusion space of non-Abelian anyonic quasiparticles, whose braiding implements logical gates. This goes b…

hep-th2025

Unveiling dynamical quantum error correcting codes via non-invertible symmetries

Rajath Radhakrishnan, Adar Sharon, Nathanan Tantivasadakarn

Dynamical stabilizer codes (DSCs) have recently emerged as a powerful generalization of static stabilizer codes for quantum error correction, replacing a fixed stabilizer group wit…

math.QA2025★ 1 cited

Clifford quantum cellular automata from topological quantum field theories and invertible subalgebras

Meng Sun, Bowen Yang, Zongyuan Wang +2

We present a general framework for constructing quantum cellular automata (QCA) from topological quantum field theories (TQFT) and invertible subalgebras (ISA) using the cup-produc…

cond-mat.str-el2025

Sequential Circuits as Generalized Symmetry on the Lattice

Nathanan Tantivasadakarn, Xinyu Liu, Xie Chen

Generalized symmetry extends the usual notion of symmetry to ones that are of higher-form, acting on subsystems, non-invertible, etc. The concept was defined in the field theory co…

cond-mat.str-el2025★ 3 cited

String-Membrane-Nets from Higher-Form Gauging: An Alternate Route to -String Condensation

Pranay Gorantla, Abhinav Prem, Nathanan Tantivasadakarn +1

We present a new perspective on the -string condensation procedure for constructing 3+1D fracton phases by implementing this process via the gauging of higher-form symmetries. S…

quant-ph2025

Universal Quantum Computation with the Quantum Double: A Pedagogical Exposition

Chiu Fan Bowen Lo, Anasuya Lyons, Ruben Verresen +2

Non-Abelian topological order (TO) enables topologically protected quantum computation with its anyonic quasiparticles. Recently, TO with gauge symmetry was identified as a s…

quant-ph2024★ 14 cited

Qutrit Toric Code and Parafermions in Trapped Ions

Mohsin Iqbal, Anasuya Lyons, Chiu Fan Bowen Lo +16

The development of programmable quantum devices can be measured by the complexity of manybody states that they are able to prepare. Among the most significant are topologically ord…

quant-ph2024★ 8 cited

Efficient Preparation of Solvable Anyons with Adaptive Quantum Circuits

Yuanjie Ren, Nathanan Tantivasadakarn, Dominic J. Williamson

The classification of topological phases of matter is a fundamental challenge in quantum many-body physics, with applications to quantum technology. Recently, this classification h…

quant-ph2024★ 6 cited

Protocols for Creating Anyons and Defects via Gauging

Anasuya Lyons, Chiu Fan Bowen Lo, Nathanan Tantivasadakarn +2

Creating and manipulating anyons and symmetry defects in topological phases, especially those with a non-Abelian character, constitutes a primitive for topological quantum computat…

quant-ph2024★ 5 cited

Cups and Gates I: Cohomology invariants and logical quantum operations

Nikolas P. Breuckmann, Margarita Davydova, Jens N. Eberhardt +1

We take initial steps towards a general framework for constructing logical gates in general quantum CSS codes. Viewing CSS codes as cochain complexes, we observe that cohomology in…

quant-ph2024★ 13 cited

Tensor networks for non-invertible symmetries in 3+1d and beyond

Pranay Gorantla, Shu-Heng Shao, Nathanan Tantivasadakarn

Tensor networks provide a natural language for non-invertible symmetries in general Hamiltonian lattice models. We use ZX-diagrams, which are tensor network presentations of quantu…

cond-mat.str-el2023★ 4 cited

A holographic view of topological stabilizer codes

Thomas Schuster, Nathanan Tantivasadakarn, Ashvin Vishwanath +1

The bulk-boundary correspondence is a hallmark feature of topological phases of matter. Nonetheless, our understanding of the correspondence remains incomplete for phases with intr…

cond-mat.str-el2023★ 24 cited

Non-invertible symmetry-protected topological order in a group-based cluster state

Christopher Fechisin, Nathanan Tantivasadakarn, Victor V. Albert

Despite growing interest in beyond-group symmetries in quantum condensed matter systems, there are relatively few microscopic lattice models explicitly realizing these symmetries,…