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I will summarize Noncommutative Geometry Spectral Action, an elegant geometrical model valid at unification scale, which offers a purely gravitational explanation of the Standard Model, the most successful phenomenological model of particle…

High Energy Physics - Theory · Physics 2011-05-24 Mairi Sakellariadou

In the noncommutative geometry approach to the standard model we discuss the possibility to derive the extra scalar field sv- initially suggested by particle physicist to stabilize the electroweak vacuum - from a "grand algebra" that…

High Energy Physics - Theory · Physics 2015-09-02 Agostino Devastato

The space of Dirac operators for the Connes-Chamseddine spectral action for the standard model of particle physics coupled to gravity is studied. The model is extended by including right-handed neutrino states, and the S0-reality axiom is…

High Energy Physics - Theory · Physics 2009-11-11 John W. Barrett , Rachel A. Dawe Martins

We briefly sketch the noncommutative geometry approach to the Standard Model, with attention to what can be inferred about particle masses.

High Energy Physics - Theory · Physics 2008-02-03 Jose M. Gracia-Bondia

We review the noncommutative spectral geometry, a gravitational model that combines noncommutative geometry with the spectral action principle, in an attempt to unify General Relativity and the Standard Model of electroweak and strong…

High Energy Physics - Theory · Physics 2014-03-25 Mairi Sakellariadou

Let $G$ be a finite group. Noncommutative geometry of unital $G$-algebras is studied. A geometric structure is determined by a spectral triple on the crossed product algebra associated with the group action. This structure is to be viewed…

Differential Geometry · Mathematics 2016-06-22 Antti J. Harju

We review the noncommutative approach to the standard model. We start with the introduction if the mathematical concepts necessary for the definition of noncommutative spaces, and manifold in particular. This defines the framework of…

High Energy Physics - Theory · Physics 2018-05-02 Fedele Lizzi

Nowadays, noncommutative geometry is a growing domain of mathematics, which can appear as a promising framework for modern physics. Quantum field theories on "noncommutative spaces" are indeed much investigated, and suffer from a new type…

Mathematical Physics · Physics 2011-08-22 Axel de Goursac

Noncommutative geometry, in its many incarnations, appears at the crossroad of various researches in theoretical and mathematical physics: from models of quantum space-time (with or without breaking of Lorentz symmetry) to loop gravity and…

High Energy Physics - Theory · Physics 2015-11-04 Pierre Martinetti

We show that allowing the metric dimension of a space to be independent of its KO-dimension and turning the finite noncommutative geometry F-- whose product with classical 4-dimensional space-time gives the standard model coupled with…

High Energy Physics - Theory · Physics 2009-11-11 Alain Connes

This paper discusses a new wormhole solution that admits conformal motion, given a noncommutative-geometry background. After a discussion of the wormhole geometry and the energy conditions, the analysis proceeds with the calculation of the…

General Physics · Physics 2015-06-16 Farook Rahaman , Saibal Ray , G. S. Khadekar , P. K. F. Kuhfittig , Indrani Karar

In this paper I discuss connections between the noncommutative geometry approach to the standard model on one side, and the internal space coming from strings on the other. The standard model in noncommutative geometry is described via the…

High Energy Physics - Theory · Physics 2008-11-26 Fedele Lizzi

Application of the noncommutative geometry to several physical models is considered.

General Relativity and Quantum Cosmology · Physics 2007-05-23 P. A. Saponov

This PhD thesis aims at describing the applications of noncommutative geometry to particle physics and quantum field theory. It includes a brief survey of the basic principles and definitions of noncommutative geometry such as spectral…

Mathematical Physics · Physics 2007-05-23 T. Krajewski

We describe basic concepts of noncommutative geometry and a general construction extending the familiar duality between ordinary spaces and commutative algebras to a duality between Quotient spaces and Noncommutative algebras. Basic tools…

Quantum Algebra · Mathematics 2007-05-23 Alain Connes

In this paper we study generic M(atrix) theory compactifications that are specified by a set of quotient conditions. A procedure is proposed, which both associates an algebra to each compactification and leads deductively to general…

High Energy Physics - Theory · Physics 2010-11-19 Pei-Ming Ho , Yi-Yen Wu , Yong-Shi Wu

We analyze the leading terms of the spectral action for a model of noncommutative geometry, which is a product of $4$-dimensional Riemannian manifold with a two-point space exploring the previously neglected case when the metrics over each…

Mathematical Physics · Physics 2019-12-17 Andrzej Sitarz

We discuss some properties of the spectral triple $(A_F,H_F,D_F,J_F,\gamma_F)$ describing the internal space in the noncommutative geometry approach to the Standard Model, with $A_F=\mathbb{C}\oplus\mathbb{H}\oplus M_3(\mathbb{C})$. We show…

Mathematical Physics · Physics 2016-11-16 Francesco D'Andrea , Ludwik Dabrowski

A review of the applications of noncommutative geometry to a systematic formulation of duality symmetries in string theory is presented. The spectral triples associated with a lattice vertex operator algebra and the corresponding…

High Energy Physics - Theory · Physics 2007-05-23 Fedele Lizzi , Richard J. Szabo

In the framework of non-riemannian geometry, we derive exact static vacuum solutions of the field equations obtained from the full equivalent version of the Einstein-Hilbert action when torsion degrees of freedom are taken into account. By…

General Relativity and Quantum Cosmology · Physics 2014-12-16 Rodrigo Maier
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