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Related papers: A new basis for Hamiltonian SU(2) simulations

200 papers

In this review I summarize how machine learning can be used in lattice gauge theory simulations and what ap\-proaches are currently available to improve the sampling of gauge field configurations, with a focus on applications in…

High Energy Physics - Lattice · Physics 2026-04-15 Urs Wenger

SU(2) Yang-Mills field theory is considered in the framework of the generalized Hamiltonian approach and the equivalent unconstrained system is obtained using the method of Hamiltonian reduction. A canonical transformation to a set of…

High Energy Physics - Theory · Physics 2010-11-19 A. M. Khvedelidze , H. -P. Pavel

It has been established that Matrix Product States can be used to compute the ground state and single-particle excitations and their properties of lattice gauge theories at the continuum limit. However, by construction, in this formalism…

High Energy Physics - Lattice · Physics 2017-05-29 Boye Buyens , Simone Montangero , Jutho Haegeman , Frank Verstraete , Karel Van Acoleyen

We simulate the thermalization dynamics for minimally truncated SU(2) pure gauge theory on linear plaquette chains with up to 151 plaquettes using IBM quantum computers. We study the time dependence of the entanglement spectrum, R\'enyi-2…

High Energy Physics - Lattice · Physics 2026-04-13 Jiunn-Wei Chen , Yu-Ting Chen , Ghanashyam Meher , Berndt Müller , Andreas Schäfer , Xiaojun Yao

We describe a non-perturbative procedure for solving from first principles the light-front Hamiltonian problem of SU(N) pure gauge theory in D spacetime dimensions (D>2), based on enforcing Lorentz covariance of observables. A transverse…

High Energy Physics - Theory · Physics 2016-08-25 S. Dalley , B. van de Sande

We examine the Kogut-Susskind formulation of lattice gauge theories under the light of fermionic and bosonic degrees of freedom that provide a description useful to the development of quantum simulators of gauge invariant models. We…

Quantum Physics · Physics 2015-03-20 Erez Zohar , Michele Burrello

With the long term perspective of using quantum computers and tensor networks for lattice gauge theory simulations, an efficient method of digitizing gauge group elements is needed. We thus present our results for a handful of…

High Energy Physics - Lattice · Physics 2022-12-20 Tobias Hartung , Timo Jakobs , Karl Jansen , Johann Ostmeyer , Carsten Urbach

Understanding the non-equilibrium dynamics of gauge theories remains a fundamental challenge in high-energy physics. Indeed, most large scale experiments on gauge theories intrinsically rely on very far-from equilibrium dynamics, from…

In the framework of a non-compact lattice regularization of nonabelian gauge theories we look, in the SU(2) case, for the scaling window through the analysis of the ratio of two masses of hadronic states. In the two-dimensional parameter…

High Energy Physics - Lattice · Physics 2009-10-31 Giuseppe Di Carlo , Roberto Scimia

An overrelaxed variant of simulated annealing is applied to the problem of maximally abelian gauge fixing. The superiority of this algorithm over the commonly used relaxation procedure is demonstrated. Biases on non gauge invariant…

High Energy Physics - Lattice · Physics 2009-10-28 G. S. Bali , V. Bornyakov , M. Müller-Preussker , F. Pahl

The perspectives of numerical simulations in supersymmetric quantum field theories with vector-like gauge symmetries are discussed. A numerical simulation algorithm for SU(2) gauge theory with gluinos is studied and the first results on the…

High Energy Physics - Lattice · Physics 2009-10-28 I. Montvay

Abelian gauge theories formulated on a space-time lattice can be used as a prototype for investigating the confinement mechanism. In U(1) lattice gauge theory it is possible to perform a dual transformation of the path integral. Simulating…

High Energy Physics - Lattice · Physics 2007-05-23 Martin Zach , Manfried Faber , Alexandra Müller , Peter Skala

The simulation of lattice gauge theories on quantum computers necessitates digitizing gauge fields. One approach involves substituting the continuous gauge group with a discrete subgroup, but the implications of this approximation still…

High Energy Physics - Lattice · Physics 2024-05-29 Benoît Assi , Henry Lamm

Efficient discretisations of gauge groups are crucial with the long term perspective of using tensor networks or quantum computers for lattice gauge theory simulations. For any Lie group other than U$(1)$, however, there is no class of…

High Energy Physics - Lattice · Physics 2022-03-22 Tobias Hartung , Timo Jakobs , Karl Jansen , Johann Ostmeyer , Carsten Urbach

This thesis is concerned with two topics in Hamiltonian lattice gauge theory: improvement and the application of analytic techniques. On the topic of improvement, we develop a direct method for improving lattice Hamiltonians for gluons, in…

High Energy Physics - Lattice · Physics 2007-05-23 Jesse Carlsson

We solve the Gauss law of SU(2) lattice gauge theory using the harmonic oscillator prepotential formulation. We construct a generating function of a manifestly gauge invariant and orthonormal basis in the physical Hilbert space of (d+1)…

High Energy Physics - Lattice · Physics 2007-05-23 Manu Mathur

Lattice gauge theories are fundamental to various fields, including particle physics, condensed matter, and quantum information theory. Recent progress in the control of quantum systems allows for studying Abelian lattice gauge theories in…

We review the recent advances in the Hamiltonian formulation of lattice gauge theory for approaching the continuum physics. In particular, vacuum wave function and glueball spectrum calculations by coupled cluster method with truncation…

High Energy Physics - Lattice · Physics 2009-09-25 Shuo-Hong Guo , Xiang-Qian Luo

Quantum simulations of High Energy Physics, and especially of gauge theories, is an emerging and exciting direction in quantum simulations. However, simulations of such theories, compared to simulations of condensed matter physics, must…

Quantum Physics · Physics 2013-08-29 Erez Zohar , J. Ignacio Cirac , Benni Reznik

Conformal field theory has recently been applied to derive few-body Hamiltonians whose ground states are lattice versions of fractional quantum Hall states. The exact lattice models involve interactions over long distances, which is…

Strongly Correlated Electrons · Physics 2019-07-25 Dillip K. Nandy , N. S. Srivatsa , Anne E. B. Nielsen