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In 1936, Albert Einstein wrote a brief article where he suggested the possibility that a massive object acted as a lens, amplifying the brightness of a star. As time went by, this phenomenon, known as gravitational lensing, has become a…

科普物理 · 物理学 2018-08-01 Jorge Pinochet , Michael Van Sint Jan

The coalescing Brownian flow on $\mathbb{R}$ is a process which was introduced by Arratia [Coalescing Brownian motions on the line (1979) Univ. Wisconsin, Madison] and T\'{o}th and Werner [Probab. Theory Related Fields 111 (1998) 375-452],…

概率论 · 数学 2015-12-23 Nathanaël Berestycki , Christophe Garban , Arnab Sen

This short exposition starts with a brief discussion of situation before the completion of special relativity (Le Verrier's discovery of the Mercury perihelion advance anomaly, Michelson-Morley experiment, E\"otv\"os experiment, Newcomb's…

物理学史与哲学 · 物理学 2025-06-24 Wei-Tou Ni

In 1905, Einstein formulated his special relativity for point particles. For those particles, his Lorentz covariance and energy-momentum relation are by now firmly established. How about the hydrogen atom? It is possible to perform Lorentz…

量子物理 · 物理学 2011-12-05 Y. S. Kim

From its very beginning, Quantum Theory developed contrary to the intentions of its creators. For Max Planck it marks the failure of a long-term research program, in which he tried to understand the 2nd law of thermodynamics…

物理学史与哲学 · 物理学 2007-05-23 Domenico Giulini

It is well-known that Einstein got the 1921 Nobel prize not for his theory of relativity, but for his theory of photoelectricity. It is not that well-known that he did not get the prize in 1921. Why not, and when did he get it?

科普物理 · 物理学 2023-01-05 Palash B. Pal

In this brief note I address the question not frequently asked, namely, why did it take two decades between Einstein's first proposal of photons and derivation of the full Planck formula from first principles of Statistical Mechanics,…

物理学史与哲学 · 物理学 2019-05-29 Urjit A. Yajnik

In 1932 Ettore Majorana published an article proving that relativity allows any value for the spin of a quantum particle and that there is no privilege for the half integer spin. The Majorana idea was so innovative for the time that the…

物理学史与哲学 · 物理学 2015-11-03 Luca Nanni

In 1905 A. Einstein, from the experiments of Michelson and Morley in 1887, enunciates the light speed constancy principle in the inertial frames of reference. However, this principle was pointed by the equations of the electromagnetism of…

综合物理 · 物理学 2007-05-23 Enrique Ordaz Romay

We consider the degenerate Einsteins Brownian motion model when the time interval of the moving particles before the collisions, is reciprocal to the number of particles per unit volume u(x,t), at the point of observation x at time t. The…

偏微分方程分析 · 数学 2022-07-01 Isanka Garli Hevage , Akif Ibraguimov , Zeev Sobol

We recount the successful long career of classical physics, from Newton to Einstein, which was based on the philosophy of scientific realism. Special emphasis is given to the changing status and number of ontological entitities and…

物理学史与哲学 · 物理学 2008-05-16 Virendra Singh

This year marks the 100th anniversary of Einstein's General Theory of Relativity (1915-2015). The first nontrivial solution of the Einstein field equations was derived by Karl Schwarzschild in 1916. This Note will focus mainly on the…

科普物理 · 物理学 2015-12-08 S. M. Blinder

We review and strengthen the arguments given by Einstein to derive his first gravitational field equation for static fields and show that, although it was ultimately rejected, it follows from General Relativity (GR) for negligible pressure.…

广义相对论与量子宇宙学 · 物理学 2014-01-15 Juan Betancort-Rijo , Felipe Jimenez Ibarra

This paper constitutes a background to the paper 'Quantum mechanics as "space-time statistical mechanics"?', arXiv:quant-ph/0501133, presented previously by the author. But it is also a free-standing and self-contained paper. The purpose of…

经典物理 · 物理学 2009-02-01 Anders Månsson

Soon after he proposed three classic observational tests for the general theory of relativity, Einstein realised that a consistent description of the universe as a whole provided another important challenge for the theory. In this essay, we…

物理学史与哲学 · 物理学 2022-01-19 Cormac O'Raifeartaigh

In the line of thought of Einstein's 1905 paper on relativity, I get a physical derivation of Lorentz transformation (LT) answering its main criticism and considerably enlarging the area of applications of the theory of relativity.

综合物理 · 物理学 2007-05-23 A. C. V. Ceapa

In this article we explore the phenomena of nonequilibrium stochastic process starting from the phenomenological Brownian motion. The essential points are described in terms of Einstein's theory of Brownian motion and then the theory…

物理教育 · 物理学 2007-05-23 Deb Shankar Ray

This paper attempts to throw some light on what is the correct choice of sources for Einstein's field equations for the gravitational metric, and on the definition of the Cauchy-Noether energy-momentum tensor of relativistic field theories,…

综合物理 · 物理学 2021-05-19 Christian Frønsdal

In this article, we analyze the third of three papers, in which Einstein presented his quantum theory of the ideal gas of 1924-1925. Although it failed to attract the attention of Einstein's contemporaries and although also today very few…

物理学史与哲学 · 物理学 2013-12-17 Enric Pérez , Tilman Sauer

The new Process Physics provides a new explanation of space as a quantum foam system in which gravity is an inhomogeneous flow of the quantum foam into matter. An analysis of various experiments demonstrates that absolute motion relative to…

综合物理 · 物理学 2011-05-12 Reginald T Cahill
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