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Related papers: Quantizing Dirac and Nambu Brackets

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The dynamics of even topological open membranes relies on Nambu Brackets. Consequently, such 2p-branes can be quantized through the consistent quantization of the underlying Nambu dynamical structures. This is a summary construction relying…

High Energy Physics - Theory · Physics 2009-10-02 Cosmas Zachos

Fermi-Dirac machines were proposed recently as an approach to solving semidefinite optimization problems on quantum computers. Here, we reinterpret them as canonical quantizations of classical neurons. By viewing a classical neuron as an…

Quantum Physics · Physics 2026-05-26 Alexander He , Nana Liu , Mark M. Wilde

A Local Resolution of the Problem of Time has recently been given, alongside reformulation as A Local Theory of Background Independence. The classical part of this can be viewed as requiring just Lie's Mathematics, albeit entrenched in…

General Relativity and Quantum Cosmology · Physics 2019-08-09 Edward Anderson

We consider the problem of constrained motion along a conic path under a given external potential function. The model is described as a second-class system capturing the behavior of a certain class of specific quantum field theories. By…

Quantum Physics · Physics 2022-05-18 R. L. Caires , S. L. Oliveira , R. Thibes

The semiclassical solution of quantum Dirac constraints in generic constrained system is obtained by directly calculating in the one-loop approximation the gauge field path integral with relativistic gauge fixing procedure. The gauge…

High Energy Physics - Theory · Physics 2009-10-30 A. O. Barvinsky

In this paper, we propose a novel algebraic and geometric description for the dissipative dynamics. Our formulation bears some similarity to the Poisson structure for non-dissipative systems. We develop a canonical description for…

Classical Physics · Physics 2009-11-07 Sonnet Q H Nguyen , Lukasz A Turski

We emphasize the usefulness of the Lie brackets in the context of classical and quantum mechanics. By way of examples we show that many dynamical systems, especially the ones with (gauge) constraints, can equally be treated in their time…

Quantum Physics · Physics 2016-09-09 W. Dittrich

We study the problem of constructing a general hybrid quantum-classical bracket from a partial classical limit of a full quantum bracket. Introducing a hybrid composition product, we show that such a bracket is the commutator of that…

Quantum Physics · Physics 2021-09-29 Mustafa Amin , Mark A. Walton

A new version of NLQM is formulated in terms of the generalized Nambu dynamics. The generalization is free from the difficulties of earlier approaches. The paper is a second part of "Elements of NLQM (I): NL Schrodinger equation and…

High Energy Physics - Theory · Physics 2007-05-23 Marek Czachor

It shown that the quantum-classical dynamical bracket recently proposed in J. Chem. Phys. 124, 201104 (2006) fails to satisfy the Jacobi identity.

Quantum Physics · Physics 2012-02-09 L. L. Salcedo

The duality between the Cartesian coordinates on the Minkowski space-time and the Dirac field is investigated. Two distinct possibilities to define this duality are shown to exist. In both cases, the equations satisfied by prepotentials are…

High Energy Physics - Theory · Physics 2009-10-31 M. C. B. Abdalla , A. L. Gadelha , I. V. Vancea

We propose to represent both $n$--qubits and quantum gates acting on them as elements in the complex Clifford algebra defined on a complex vector space of dimension $2n.$ In this framework, the Dirac formalism can be realized in…

Quantum Physics · Physics 2022-03-04 Jaroslav Hrdina , Ales Navrat , Petr Vasik

We review different scenarios for the motion and merging of Dirac points in two dimensional crystals. These different types of merging can be classified according to a winding number (a topological Berry phase) attached to each Dirac point.…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 R. de Gail , J. -N. Fuchs , M. -O. Goerbig , F. Piechon , G. Montambaux

The Hamilton-Jacobi formalism of constrained systems is used to study superstring. That obtained the equations of motion for a singular system as total differential equations in many variables. These equations of motion are in exact…

General Physics · Physics 2020-05-05 Walaa I. Eshraim

We study several numerical discretization techniques for the one-space plus one-time dimensional Dirac equation, including finite difference and space-time finite element methods. Two finite difference schemes and several space-time finite…

Numerical Analysis · Mathematics 2014-12-04 Robert Vaselaar , Hyun Lim , Jung-Han Kimn

We review the Dirac formalism for dealing with constraints in a canonical Hamiltonian formulation and discuss gauge freedom and display constraints for gauge theories in a general context. We introduce the Dirac bracket and show that it…

Mathematical Physics · Physics 2020-07-21 Jon Allen , Richard A. Matzner

This work contains a brief and elementary exposition of the foundations of Poisson and symplectic geometries, with an emphasis on applications for Hamiltonian systems with second-class constraints. In particular, we clarify the geometric…

Symplectic Geometry · Mathematics 2022-10-25 Alexei A. Deriglazov

This lecture consists of three parts. In part I, an overview is given on the so-called Matrix theory in the light-front gauge as a proposal for a concrete and non-perturbative formulation of M-theory. I emphasize motivations towards its…

High Energy Physics - Theory · Physics 2016-12-30 Tamiaki Yoneya

In order to quantize systems involving second-class constraints, one should use Dirac bracket instead of Poisson bracket. Furthermore, one can specify a star product in which the term linear in $\hbar$ is proportional to the Dirac bracket.…

Mathematical Physics · Physics 2026-03-25 Bing-Sheng Lin , Tai-Hua Heng

We analyze the canonical treatment of classical constrained mechanical systems formulated with a discrete time. We prove that under very general conditions, it is possible to introduce nonsingular canonical transformations that preserve the…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Cayetano Di Bartolo , Rodolfo Gambini , Rafael Porto , Jorge Pullin
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