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A previously proposed algebra of asymptotic fields in quantum electrodynamics is formulated as a net of algebras localized in regions which in general have unbounded spacelike extension. Electromagnetic fields may be localized in…

高能物理 - 理论 · 物理学 2015-05-27 Andrzej Herdegen , Katarzyna Rejzner

Ernst's solution generating technique for adding electromagnetic charge to axisymmetric space-times in general relativity is generalised in presence of the cosmological constant. Ernst equations for complex potentials are found and they are…

广义相对论与量子宇宙学 · 物理学 2012-08-02 Marco Astorino

Stationary circularly symmetric solutions of General Relativity with negative cosmological constant coupled to the Maxwell field are analyzed in three spacetime dimensions. Taking into account that the fall-off of the fields is slower than…

高能物理 - 理论 · 物理学 2015-11-04 Alfredo Perez , Miguel Riquelme , David Tempo , Ricardo Troncoso

Emergent gravity views spacetime as an entity emergent from a more complete theory of interacting fundamental constituents valid at much finer resolution or higher energies, usually assumed to be above the Planck energy. In this view…

广义相对论与量子宇宙学 · 物理学 2010-03-12 B. L. Hu

We discuss new models of an `affine' theory of gravity in multidimensional space-times with symmetric connections. We use and develop ideas of Weyl, Eddington, and Einstein, in particular, Einstein's proposal to specify the space - time…

高能物理 - 理论 · 物理学 2010-11-12 A. T. Filippov

The necessity of rejecting the numerical model of geometrical extension is postulated on the basis of the idea of identity of space-time and physical vacuum. An attempt is made to define space-time not via the concept of manifold, but via…

综合物理 · 物理学 2009-07-03 G. L. Stavraki

We discuss theories of gravity with independent metric (or frame field) and connection, from the point of view of effective field theory. We count the parity-even Lagrangian terms of dimension up to four and give explicit bases for the…

广义相对论与量子宇宙学 · 物理学 2022-03-02 A. Baldazzi , O. Melichev , R. Percacci

Semigroup algebras admit certain `coherent' deformations which, in the special case of a path algebra, may associate a periodic function to an evolving path; for a particle moving freely on a straight line after an initial impulse, the wave…

环与代数 · 数学 2016-12-21 Murray Gerstenhaber

The geometry of the elementary charge is studied in the framework of the concept of space considered as a tessellation lattice ('tessellattice'), which has recently been developed by M. Bounias and the author. The descriptive-geometric…

综合物理 · 物理学 2008-11-26 Volodymyr Krasnoholovets

I start with a scenario where the universe is an abstract space $\mathcal{M}$ having $d$ dimensions. There is a two dimensional surface embedded in it. Embedding is a map from the embedded surface to $\mathcal{M}$ that has a field theory…

广义相对论与量子宇宙学 · 物理学 2021-08-17 Abhishek Goswami

The generalized connections of the (anti)-de Sitter space symmetry algebra, which are differential forms of arbitrary degree with values in any irreducible (spin)-tensor representation of the (anti)-de Sitter algebra, are studied. It is…

高能物理 - 理论 · 物理学 2009-09-28 E. D. Skvortsov

Schr\"odinger-Pauli equation (SP-eq) derived from weakly relativistic approximation (WRA) of Dirac eq, combined with Electromagnetic (EM) field Lagrangian for variational principle, is expected to give a new level of EM response theory. A…

经典物理 · 物理学 2024-09-27 Kikuo Cho

This paper presents an intuitive, geometrical derivation of the relativistic addition of velocities, and of the electromagnetic interaction between two uniformly moving charged particles, based on 2 spatial + 1 temporal dimensional…

经典物理 · 物理学 2025-04-29 Calin Galeriu

5D theory is an alternative model for understanding gravitational and electromagnetic interactions together. In this work we used the correspondence between 5D Einstein field equations with cosmological constant and the 4D Einstein…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Maria C. Neacsu

We briefly discuss new models of an `affine' theory of gravity in multidimensional space-times with symmetric connections. We use and generalize Einstein's proposal to specify the space-time geometry by use of the Hamilton principle to…

广义相对论与量子宇宙学 · 物理学 2017-08-23 A. T. Filippov

Building on our previous work, we investigate the identification of the electromagnetic field as a local gauge field of a restricted group of synchrony transformations. We begin by arguing that the inability to measure the one-way speed of…

综合物理 · 物理学 2015-10-01 Robert D. Bock

A widely used approximation to the exchange-correlation functional in density functional theory is the local density approximation (LDA), typically derived from the properties of the homogeneous electron gas (HEG). We previously introduced…

其他凝聚态物理 · 物理学 2018-06-27 Mike Entwistle , Michele Casula , Rex Godby

Euclidean space and linear algebra do not characterize dynamic electronic orbitals satisfactorily for even the motion of both electrons in an inert helium atom cannot be defined in reasonable details. Here the author puts forward a novel…

综合物理 · 物理学 2007-05-31 Kunming Xu

Alternative mathematical explorations in quantum computing can be of great scientific interest, especially if they come with penetrating physical insights. In this paper, we present a critical revisitation of our geometric (Clifford)…

量子物理 · 物理学 2024-06-13 Carlo Cafaro , Newshaw Bahreyni , Leonardo Rossetti

Extended phase space (EPS) formulation of quantum statistical mechanics treats the ordinary phase space coordinates on the same footing and thereby permits the definite the canonical momenta conjugate to these coordinates . The extended…

量子物理 · 物理学 2007-05-23 S. Nasiri , H. Safari