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Quantum dense coding plays an important role in quantum cryptography communication, and how to select a set of appropriate unitary operators to encode message is the primary work in the design of quantum communication protocols. Shukla et…

Quantum Physics · Physics 2024-05-14 Wenjie Liu , Junxiu Chen , Wenbin Yu , Zhihao Liu , Hanwu Chen

There exists a large class of groups of operators acting on Hilbert spaces, where commutativity of group elements can be expressed in the geometric language of symplectic polar spaces embedded in the projective spaces PG($n, p$), $n$ being…

Quantum Physics · Physics 2010-06-10 Hans Havlicek , Boris Odehnal , Metod Saniga

Surface codes are the most promising candidates for fault-tolerant quantum computation. Single qudit errors are typically modelled as Pauli operators, to which general errors are converted via randomizing methods. In this Letter, we…

Quantum Physics · Physics 2023-11-28 Yue Ma , Michael Hanks , M. S. Kim

The Pauli strings appearing in the decomposition of an operator can be can be grouped into commuting families, reducing the number of quantum circuits needed to measure the expectation value of the operator. We detail an algorithm to…

Quantum Physics · Physics 2024-12-31 Ben Reggio , Nouman Butt , Andrew Lytle , Patrick Draper

We provide a construction of sets of (d/2+1) mutually unbiased bases (MUBs) in dimensions d=4,8 using maximal commuting classes of Pauli operators. We show that these incomplete sets cannot be extended further using the operators of the…

Quantum Physics · Physics 2014-02-05 Prabha Mandayam , Somshubhro Bandyopadhyay , Markus Grassl , William K. Wootters

Utilizing the framework of $\mathbb{Z}_2$ lattice gauge theories in the context of Pauli stabilizer codes, we present methodologies for simulating fermions via qubit systems on a two-dimensional square lattice. We investigate the symplectic…

Quantum Physics · Physics 2024-01-30 Yu-An Chen , Alexey V. Gorshkov , Yijia Xu

A key task in quantum computation is the application of a sequence of gates implementing a specific unitary operation. However, the decomposition of an arbitrary unitary operation into simpler quantum gates is a nontrivial problem. Here we…

Quantum Physics · Physics 2016-03-23 Swathi S. Hegde , K. R. Koteswara Rao , T. S. Mahesh

We introduce the qudit Noisy Stabilizer Formalism, a framework for efficiently describing the evolution of stabilizer states in prime-power dimensions subject to generalized Pauli-diagonal noise under Clifford operations and generalized…

Quantum Physics · Physics 2025-08-11 Paul Aigner , Maria Flors Mor-Ruiz , Wolfgang Dür

Topological quantum field theory (TQFT) provides a unifying framework for describing topological phases of matter and for constructing quantum error-correcting codes, playing a central role across high-energy physics, condensed matter, and…

Quantum Physics · Physics 2026-01-06 Yitao Feng , Hanyu Xue , Ryohei Kobayashi , Po-Shen Hsin , Yu-An Chen

Given a remarkable representation of the generalized Pauli operators of two-qubits in terms of the points of the generalized quadrangle of order two, W(2), it is shown that specific subsets of these operators can also be associated with the…

Quantum Physics · Physics 2024-02-13 Metod Saniga , Michel Planat , Petr Pracna , Hans Havlicek

We study general maps from the space of rational CFTs with a fixed chiral algebra and associated Chern-Simons (CS) theories to the space of qudit stabilizer codes with a fixed generalized Pauli group. We consider certain natural constraints…

High Energy Physics - Theory · Physics 2023-11-27 Matthew Buican , Rajath Radhakrishnan

Typical stabilizer codes aim to solve the general problem of fault-tolerance without regard for the structure of a specific system. By incorporating a broader representation-theoretic perspective, we provide a generalized framework that…

Quantum Physics · Physics 2026-03-30 Zachary P. Bradshaw , Margarite L. LaBorde , Dillon Montero

In this paper, we introduce an algorithm for extracting topological data from translation invariant generalized Pauli stabilizer codes in two-dimensional systems, focusing on the analysis of anyon excitations and string operators. The…

Quantum Physics · Physics 2025-06-19 Zijian Liang , Yijia Xu , Joseph T. Iosue , Yu-An Chen

We construct Pauli topological subsystem codes characterized by arbitrary two-dimensional Abelian anyon theories--this includes anyon theories with degenerate braiding relations and those without a gapped boundary to the vacuum. Our work…

We generalize the class of hypergraph states to multipartite systems of qudits, by means of constructions based on the d-dimensional Pauli group and its normalizer. For simple hypergraphs, the different equivalence classes under local…

Quantum Physics · Physics 2017-06-01 Frank E. S. Steinhoff , Christina Ritz , Nikolai Miklin , Otfried Gühne

We introduce a point-line incidence geometry in which the commutation relations of the real Pauli group of multiple qubits are fully encoded. Its points are pairs of Pauli operators differing in sign and each line contains three pairwise…

Quantum Physics · Physics 2014-11-20 Péter Vrana , Péter Lévay

The non-linear binary Kerdock codes are known to be Gray images of certain extended cyclic codes of length $N = 2^m$ over $\mathbb{Z}_4$. We show that exponentiating these $\mathbb{Z}_4$-valued codewords by $\imath \triangleq \sqrt{-1}$…

Information Theory · Computer Science 2021-08-20 Trung Can , Narayanan Rengaswamy , Robert Calderbank , Henry D. Pfister

We prove that on any two-dimensional lattice of qudits of a prime dimension, every translation invariant Pauli stabilizer group with local generators and with code distance being the linear system size, is decomposed by a local Clifford…

Quantum Physics · Physics 2021-01-06 Jeongwan Haah

In this paper we investigate stabilizer quantum error correction codes using controlled phase rotations of strong coherent probe states. We explicitly describe two methods to measure the Pauli operators which generate the stabilizer group…

Quantum Physics · Physics 2009-11-13 Casey R. Myers , Marcus Silva , Kae Nemoto , William J. Munro

We construct a Pauli stabilizer model for every two-dimensional Abelian topological order that admits a gapped boundary. Our primary example is a Pauli stabilizer model on four-dimensional qudits that belongs to the double semion (DS) phase…