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Hilbert space representations of quantum SU(2) by multiplication operators on a local chart are constructed, where the local chart is given by tensor products of square integrable functions on a quantum disc and on the classical unit…

Quantum Algebra · Mathematics 2018-02-20 Elmar Wagner

We calculate numerically the density of states n(S) for SU(2) lattice gauge theory on $L^4$ lattices. Small volume dependence are resolved for small values of S. We compare $ln(n(S))$ with weak and strong coupling expansions. Intermediate…

High Energy Physics - Lattice · Physics 2009-01-09 A. Denbleyker , Daping Du , Yuzhi Liu , Y. Meurice , A. Velytsky

We calculate the masses of the lowest lying eigenstates of improved SU(2) and SU(3) lattice gauge theory in 2+1 dimensions using an analytic variational approach. The ground state is approximated by a one plaquette trial state and mass gaps…

High Energy Physics - Lattice · Physics 2009-11-07 Jesse Carlsson , John A. L. McIntosh , Bruce H. J. McKellar , Lloyd C. L. Hollenberg

The Schwinger oscillator operator representation of SU(3), studied in a previous paper from the representation theory point of view, is analysed to discuss the intimate relationships between standard oscillator coherent state systems and…

Quantum Physics · Physics 2009-11-07 S. Chaturvedi , N. Mukunda

We present a determination of the elementary plaquette and, after the subsequent ultraviolet subtractions, of the finite part of the gluon condensate, in lattice regularization in three-dimensional pure SU(3) gauge theory. Through a change…

High Energy Physics - Lattice · Physics 2007-05-23 A. Hietanen , K. Kajantie , M. Laine , K. Rummukainen , Y. Schroder

The Standard Model for electroweak interactions derives four vector gauge boson from an SU(2)xU(1) symmetry. A doublet of complex scalar (Higgs) bosons is added to generate masses by spontaneous symmetry breaking. Both, the four vector…

General Physics · Physics 2015-09-04 Martin A. Faessler

We explicitly construct and characterize all possible independent loop states in 3+1 dimensional loop quantum gravity by regulating it on a 3-d regular lattice in the Hamiltonian formalism. These loop states, characterized by the (dual)…

General Relativity and Quantum Cosmology · Physics 2008-11-26 N. D. Hari Dass , Manu Mathur

We present a quantum computational framework for SU(2) lattice gauge theory, leveraging continuous variables instead of discrete qubits to represent the infinite-dimensional Hilbert space of the gauge fields. We consider a ladder as well as…

High Energy Physics - Lattice · Physics 2025-06-24 Victor Ale , Nora M. Bauer , Raghav G. Jha , Felix Ringer , George Siopsis

We present a neural network wavefunction framework for solving non-Abelian lattice gauge theories in a continuous group representation. Using a combination of $SU(2)$ equivariant neural networks alongside an $SU(2)$ invariant,…

High Energy Physics - Lattice · Physics 2025-09-17 Thomas Spriggs , Eliska Greplova , Juan Carrasquilla , Jannes Nys

This paper is the SU(3) extension of the dynamically generated SU(2) linear $\sigma$ model Lagrangian worked out previously using dimensional regularization. After discussing the quark-level Goldberger-Treiman relations for SU(3) and the…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Delbourgo , M. D. Scadron

We study SU(3) gauge theory on small lattices in the minimal (qutrit) electric field truncation retaining only the ${\bf 1}, {\bf 3}, {\bf \overline{3}}$ representations for the link variables. Explicit expressions are given for the…

High Energy Physics - Lattice · Physics 2026-01-16 Vincent Chen , Berndt Müller , Xiaojun Yao

The $SU(3)\otimes SU(2) \otimes U(1)$ standard model maps smoothly onto a conventional lattice gauge formulation, including the parity violation of the weak interactions. The formulation makes use of the pseudo-reality of the weak group and…

High Energy Physics - Lattice · Physics 2024-01-08 Michael Creutz

We examine the problem of simulating lattice gauge theories on a universal quantum computer. The basic strategy of our approach is to transcribe lattice gauge theories in the Hamiltonian formulation into a Hamiltonian involving only Pauli…

Quantum Physics · Physics 2009-11-11 Tim Byrnes , Yoshihisa Yamamoto

Given a specific spectra of the single-particle reduced density matrices of three qubits, the singular symplectic reduction method is applied to the projective Hilbert space of tripartite pure states, under the local unitary group action.…

Mathematical Physics · Physics 2012-11-07 Saeid Molladavoudi

We use Schwinger Bosons as prepotentials for lattice gauge theory to define local linking oper- ators and calculate their action on linking states for 2 + 1 dimensional SU(2) lattice gauge theory. We develop a diagrammatic technique and…

High Energy Physics - Lattice · Physics 2016-11-18 Ramesh Anishetty , Indrakshi Raychowdhury

We call attention to the fact that the gauge symmetry $SU(3)\times SU(2)_{_L}\times U(1)$ of the Standard Model can be easily and naturally extended by the local conformal symmetry connected with the possibility of choosing the local length…

High Energy Physics - Phenomenology · Physics 2007-05-23 Marek Pawlowski , Ryszard Raczka , SINS/SISSA

We develop simple computational techniques for constructing all possible SU(3) representations in terms of irreducible SU(3) Schwinger bosons. We show that these irreducible Schwinger oscillators make SU(3) representation theory as simple…

Mathematical Physics · Physics 2009-06-12 Ramesh Anishetty , Manu Mathur , Indrakshi Raychowdhury

Following a general form for the Schwinger boson representation of the su(M+1) Lipkin model presented in the previous paper, three types of the orthogonal sets characterizing the su(3)-algebra are proposed. In these three, third is…

Nuclear Theory · Physics 2016-09-08 C. Providencia , J. da Providencia , Y. Tsue , M. Yamamura

The $SU(3)\otimes SU(2) \otimes U(1)$ standard model maps smoothly onto a conventional Wilson lattice gauge formalism, including the parity violation of the weak interactions. The formulation makes use of the pseudo-reality of the weak…

High Energy Physics - Lattice · Physics 2025-01-06 Michael Creutz

We consider the extension of the Standard electroweak Model through an $SU(2)$ quadruplet of scalars with hypercharge either $3/2$ or $1/2$ (with an additional reflection symmetry in the latter case). We establish, through $\textit{exact…

High Energy Physics - Phenomenology · Physics 2026-04-15 Darius Jurčiukonis , Luís Lavoura