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相关论文: On the Foundations of the Two Measures Field Theor…

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The Two-Measure theory (TMT) has been developing since 1998 and has yielded a number of highly interesting results, including those not realized in traditional field theory models. The most important advantage of TMT as an alternative…

广义相对论与量子宇宙学 · 物理学 2025-11-24 Alexander B. Kaganovich

In the FLRW universe, the scalar field \phi(t) obtained by cosmological averaging of the local Higgs field H(x) is considered as a classical field for which the SM quantization procedure is meaningless. When applying the Two-Measure theory…

高能物理 - 理论 · 物理学 2025-02-25 Alexander B. Kaganovich

The dilaton-gravity sector of a linear in the scalar curvature, scale invariant Two Measures Field Theory (TMT), is explored in detail in the context of closed FRW cosmology and shown to allow stable emerging universe solutions. The model…

宇宙学与河外天体物理 · 物理学 2015-05-28 Sergio del Campo , Eduardo I. Guendelman , Alexander B. Kaganovich , Ramon Herrera , Pedro Labrana

The dilaton-gravity sector of the Two Measures Field Theory (TMT) is explored in detail in the context of cosmology. The dilaton \phi dependence of the effective Lagrangian appears only as a result of the spontaneous breakdown of the scale…

广义相对论与量子宇宙学 · 物理学 2007-05-23 E. I. Guendelman , A. B. Kaganovich

In the framework of the scale invariant model of the Two Measures Field Theory (TMT), we study the dilaton-gravity sector in the context of spatially flat FRW cosmology. The scale invariance is spontaneously broken due to the intrinsic…

广义相对论与量子宇宙学 · 物理学 2007-05-23 E. I. Guendelman , A. B. Kaganovich

We construct, in classical two-time physics, the necessary structure for the most general configuration space formulation of quantum mechanics containing gravity in d+2 dimensions. This structure is composed of a symmetric Riemannian metric…

高能物理 - 理论 · 物理学 2009-11-13 W. Chagas-Filho

The dilaton-gravity sector of the Two Measures Field Theory (TMT)is explored in detail in the context of cosmology. The model possesses scale invariance which is spontaneously broken due to the intrinsic features of the TMT dynamics. The…

广义相对论与量子宇宙学 · 物理学 2008-11-26 E. I. Guendelman , A. B. Kaganovich

For Green-Schwarz superstring sigma-model on curved backgrounds, we introduce a non-metric measure $\Phi \equiv \epsilon^{i j} \epsilon^{I J} (\partial_i \varphi^I) (\partial_j \varphi^J)$ with two scalars $\varphi^I (I = 1, 2)$ used in Two…

高能物理 - 理论 · 物理学 2014-11-17 Hitoshi Nishino , Subhash Rajpoot

In a number of previous publications we demonstrated that the Two Measures Field Theory (TMT) enables to resolve the old cosmological constant (CC) problem avoiding the Weinberg's no-go CC theorem and together with this TMT agrees with all…

高能物理 - 理论 · 物理学 2007-08-05 E. I. Guendelman , A. B. Kaganovich

Scale invariance is considered in the context of a gravitational theory where the action, in the first order formalism, is of the form S = \int L_{1} \Phi d^4x + \int L_{2}\sqrt{-g}d^4x where \Phi is a density built out of degrees of…

广义相对论与量子宇宙学 · 物理学 2007-05-23 E. I. Guendelman , A. B. Kaganovich

We consider the question of bags and confinement in the framework of a theory which uses two volume elements $\sqrt{-{g}}d^{4}x$ and $\Phi d^{4}x$, where $\Phi $ is a metric independent density. For scale invariance a dilaton field $\phi$…

高能物理 - 唯象学 · 物理学 2013-06-21 E. I. Guendelman

Topological quantum field theories containing matter fields are constructed by twisting $N=2$ supersymmetric quantum field theories. It is shown that $N=2$ chiral (antichiral) multiplets lead to topological sigma models while $N=2$ twisted…

高能物理 - 理论 · 物理学 2009-10-22 J. M. F. Labastida , P. M. Llatas

We survey motivation, basic ideas and physical consequences of a theory where the underlying action involves terms both with the usual volume element $\sqrt{-g}d^{4}x$ and with the new one $\Phi d^{4}x={4!}d\varphi_{1}\wedge…

广义相对论与量子宇宙学 · 物理学 2008-11-06 E. I. Guendelman , A. B. Kaganovich

The phase space formulation of Double Field Theory (DFT) indicates that statistical matter can be included in terms of (T-)duality multiplets. We propose the inclusion of a perfect fluid in the geometry of DFT through a generalized…

高能物理 - 理论 · 物理学 2022-06-07 Eric Lescano , Nahuel Mirón-Granese

We provide a novel model of gravity by using adjoint frame fields in four dimensions. It has a natural interpretation as a gravitational theory of a complex metric field, which describes interactions between two real metrics. The classical…

高能物理 - 理论 · 物理学 2015-12-14 Zhi-Qiang Guo , Ivan Schmidt

Gravitational theories with multiple scalar fields coupled to the metric and each other --- a natural extension of the well studied single-scalar-tensor theories --- are interesting phenomenological frameworks to describe deviations from…

广义相对论与量子宇宙学 · 物理学 2016-05-02 Michael Horbatsch , Hector O. Silva , Davide Gerosa , Paolo Pani , Emanuele Berti , Leonardo Gualtieri , Ulrich Sperhake

Four-dimensional gravity admits many equivalent formulations - metric, Einstein-Cartan, teleparallel, McDowell-Mansouri, among others - each offering distinct advantages, particularly, in view of quantization. We propose a new formulation…

广义相对论与量子宇宙学 · 物理学 2026-03-13 Maïté Dupuis , Florian Girelli , Oleksandra Hrytseniak , Wolfgang Wieland

A metric-field approach to gravitation is presented. It is based on an idea of dependency of space-time properties on measuring instruments. Some bimetric equations that realize this idea are considered. They were tested by the binary…

广义相对论与量子宇宙学 · 物理学 2009-11-07 L. V. Verozub

Summary of abstract Field theory models including gauge theories with SSB are presented where the energy density of the true vacuum state (TVS) is zero without fine tuning. The above models are constructed in the gravitational theory where…

广义相对论与量子宇宙学 · 物理学 2011-04-20 E. I. Guendelman , A. B. Kaganovich

Double Field Theory (DFT) has emerged as a comprehensive framework for gravity, presenting a testable and robust alternative to General Relativity (GR), rooted in the $\mathbf{O}(D,D)$ symmetry principle of string theory. These lecture…

广义相对论与量子宇宙学 · 物理学 2025-10-09 Jeong-Hyuck Park
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