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The crown jewel of particle physics, the Standard Model (SM), has withstood numerous experimental trials. However, there are still some observations it cannot explain. Examples such as dark matter and the matter-antimatter imbalance in the…

High Energy Physics - Phenomenology · Physics 2021-10-04 D. Lancierini , R. D. Moise

In teleparallelism one is able to tackle the gravitational energy and angular momentum problems in a way that distinguishes this theory from other theories of gravity, such as general relativity. However, unlike the $4$-momentum, the…

General Relativity and Quantum Cosmology · Physics 2025-09-03 J. B. Formiga , R. D. Costa

The theory of measurement is employed to elucidate the physical basis of general relativity. For measurements involving phenomena with intrinsic length or time scales, such scales must in general be negligible compared to the (translational…

General Relativity and Quantum Cosmology · Physics 2015-06-25 Bahram Mashhoon

A definition of a {\it Realistic} Physics Theory is proposed based on the idea that, at all time, the set of physical properties possessed (at that time) by a system should unequivocally determine the probabilities of outcomes of all…

Quantum Physics · Physics 2018-07-23 Nicolas Gisin

In diffraction catastrophes such as the rainbow the wave nature of light resolves ray singularities and draws delicate interference patterns. In quantum catastrophes such as the black hole the quantum nature of light resolves wave…

Optics · Physics 2009-11-07 Ulf Leonhardt

The Special Theory of Relativity and the Theory of the Electron have had an interesting history together. Originally the electron was studied in a non relativistic context and this opened up the interesting possibility that lead to the…

General Physics · Physics 2009-11-13 B. G. Sidharth

Helicity is a property of light which is familiar from particle physics but less well-known in optics. In this paper we recall the explicit form taken by the helicity of light within classical electromagnetic theory and reflect upon some of…

Optics · Physics 2015-06-16 Robert P. Cameron , Stephen M. Barnett , Alison M. Yao

We give a summary of the current state of Local Bubble research, resulting from the discussions of a dedicated panel meeting. After more than 25 years of intense observational and theoretical work, we are still far from a coherent picture,…

Astrophysics · Physics 2007-05-23 Dieter Breitschwerdt , Donald P. Cox

In light of a recent direct experimental confirmation of a Lorentz contraction of Coulomb field (an electric field of a point charge in a uniform motion), we revisit some common confusions related to it, to be mindful of in teaching the…

Physics Education · Physics 2023-11-01 Petar Žugec , Davor Horvatić , Ivica Smolić

We collect here various conjectures on congruences made by the author in a series of papers, some of which involve binary quadratic forms and other advanced theories. Part A consists of 100 unsolved conjectures of the author while…

Number Theory · Mathematics 2015-03-13 Zhi-Wei Sun

Main results of researches of the electric erosive discharge afterglow plasma, of the fireballs being formed by this plasma and having some particular but deep similarities to the ball lightning are given. The analysis of our results and…

Plasma Physics · Physics 2007-05-23 S. E. Emelin , A. L. Pirozerski , N. N. Vassiliev

Vapor condensation with removing of latent heat by emission of characteristic frequencies allows fast droplets formation in big volumes, which becomes possible with spatial redistribution and spreading of condensation nuclei and ions formed…

Atmospheric and Oceanic Physics · Physics 2009-12-08 Mark E. Perel'man

Gamma-ray bursts are the most luminous and probably the most relativistic events in the universe. The last few years have seen a tremendous increase in our knowledge of these events, but the source of the bursts still remains elusive. I…

Astrophysics · Physics 2007-05-23 Stephan Rosswog

Analysis of the observational data and possible origination scenarios of particle bursts allows us to conclude that the bursts can be explained by the electron acceleration in the thunderous atmosphere and by gigantic showers developed in…

High Energy Physics - Experiment · Physics 2021-12-14 Ashot Chilingarian , Gagik Hovsepyan

I review the current status of our theoretical understanding of Pulsar Winds and associated nebulae (PWNe). In recent years, axisymmetric models of pulsar winds with a latitude dependent energy flux have proved very successful at explaining…

High Energy Astrophysical Phenomena · Physics 2015-06-18 E. Amato

Recent results suggest that quantum mechanical phenomena may be interpreted as a failure of standard probability theory and may be described by a Bayesian complex probability theory.

Quantum Physics · Physics 2007-05-23 Saul Youssef

Recently, several ways of obtaining observational proof of the existence of black-hole horizons have been proposed. We argue here that such proof is fundamentally impossible: observations can provide arguments, sometimes very strong ones,…

Astrophysics · Physics 2009-11-07 Marek A. Abramowicz , Wlodek Kluzniak , Jean-Pierre Lasota

At the present time, string theory (and its generalizations) remain relatively abstruse subjects to the particle phenomenologist and experimentalist. Yet, striking developments of the last two years offer hope that a fundamental…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sunil Mukhi

A linear ball is a simplicial complex whose geometric realization is homeomorphic to a ball and whose Stanley--Reisner ring has a linear resolution. It turns out that the Stanley--Reisner ring of the sphere which is the boundary complex of…

Commutative Algebra · Mathematics 2007-05-25 Takayuki Hibi , Pooja Singla

In this talk we discuss the cosmic singularity. We motivate the need to correct general relativity in the study of singularities, and mention the kind of corrections provided by string theory. We review how string theory resolves time-like…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Hong Liu , Gregory Moore , Nathan Seiberg