Annalen Der Physik Einstein Pdf

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Annalen Der Physik

The Annus Mirabilis of Albert Einstein Science Reference Section Science, Technology, and Business Division Library of Congress. In 1905 Albert Einstein published four important papers, plus his dissertation, and set the stage for all of modern physics. 2005 marks the centennial of that miraculous year, the annus mirabilis. The journal has been published under a variety of names ( Annalen der Physik, Annalen der Physik und der physikalischen Chemie, Annalen der Physik und Chemie, Wiedemann's Annalen der Physik und Chemie ) during its history. Originally, Annalen der Physik was published in German. From the 1950s to the 1980s, the journal published in both German and English. Annalen der Physik (AdP) is one of the world's most renowned physics journals with an over 225 years' tradition of excellence. Based on the fame of seminal papers by Einstein, Planck and many others, the journal is now tuned towards today's most exciting findings including the annual Nobel Lectures.

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Bulletin Of The National Research Council

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Physical Review Letters



Mileva Albert Einstein

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Bibliography Of Bibliographies On Chemistry And Chemical Technology 1900 1924

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The Third Culture

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A Source Book In Chemistry 1400 1900

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David Hilbert S Lectures On The Foundations Of Physics 1915 1927

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These documents do nothing less than bear witness to one of the most dramatic changes in the foundations of science. The book has three sections that cover general relativity, epistemological issues, and quantum mechanics. This fascinating work will be a vital text for historians and philosophers of physics, as well as researchers in related physical theories.

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The Spin

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This book is the eighth in a series of Proceedings for the S ́ eminaire Poincar ́ e, which is directed towards a large audience of physicists and of mathematicians. The goal of this seminar is to provide up to date information about general topics of great interest in physics. Both the theoretical and experimental aspects are covered, with some historical background. Inspired by the Bourbaki seminar in mathematics in its organization, hence nicknamed “Bourbaphy”, this Poincar ́ e SeminarisheldattheInstitutHenriPoincar ́ einParis,withcontributionsprepared inadvance.Particularcareisdevotedtothepedagogicalnatureofthepresentation so as to ful?ll the goal of being readable by a large audience of scientists. This new volume of the Poincar ́ e Seminar series “The Spin” corresponds to the eleventh such Seminar, held on December 8, 2007. It describes how this once mysterious quantum reality called spin has become ubiquitous in modern physics from the most theoretical aspects down to the most practical applications of miniaturizing electronic and computer devices or helping medical diagnosis.

Particle Accelerator Physics

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This two-volume book serves as a thorough introduction to the field of high-energy particle accelerator physics and beam dynamics. Volume 1 provides a general understanding of the field and a firm basis for the study of the more elaborate topic, mainly nonlinear and higher-order beam dynamics, which is the subject of Volume 2.

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Einstein in 1904 or 1905, about the time he wrote the Annus Mirabilis papers

The Annus mirabilis papers (from Latinannus mīrābilis, 'extraordinary year') are the papers of Albert Einstein published in the Annalen der Physikscientific journal in 1905. These four articles contributed substantially to the foundation of modern physics and changed views on space, time, mass, and energy. The annus mirabilis is often called the 'miracle year' in English or Wunderjahr in German.

The first paper elucidated the theory of the photoelectric effect; the second paper explained Brownian motion; the third paper introduced special relativity; and the fourth, mass-energy equivalence. Together, these papers substantially advanced the field of modern physics.

  • 2Papers
  • 4References

Background[edit]

The Einsteinhaus on the Kramgasse in Bern, Einstein's residence at the time. Most of the papers were written in his apartment on the first floor above the street level.

At the time the papers were written, Einstein did not have easy access to a complete set of scientific reference materials, although he did regularly read and contribute reviews to Annalen der Physik. Additionally, scientific colleagues available to discuss his theories were few. He worked as an examiner at the Patent Office in Bern, Switzerland, and he later said of a co-worker there, Michele Besso, that he 'could not have found a better sounding board for his ideas in all of Europe'. In addition, co-workers and the other members of the self-styled 'Olympian Academy' (Maurice Solovine and Paul Habicht) and his wife, Mileva Marić, had some influence on Einstein's work, but how much is unclear.[1][2][3][4]

Through these papers, Einstein tackles some of the era's most important physics questions and problems. In 1900, Lord Kelvin, in a lecture titled 'Nineteenth-Century Clouds over the Dynamical Theory of Heat and Light',[5] suggested that physics had no satisfactory explanations for the results of the Michelson–Morley experiment and for black body radiation. As introduced, special relativity provided an account for the results of the Michelson–Morley experiments. Einstein's theories for the photoelectric effect extended the quantum theory which Max Planck had developed in his successful explanation of black-body radiation.

Despite the greater fame achieved by his other works, such as that on special relativity, it was his work on the photoelectric effect that won him his Nobel Prize in 1921.[6] The Nobel committee had waited patiently for experimental confirmation of special relativity; however, none was forthcoming until the time dilation experiments of Ives and Stilwell (1938),[7] (1941)[8] and Rossi and Hall (1941).[9]

Papers[edit]

Photoelectric effect[edit]

The article 'On a Heuristic Viewpoint Concerning the Production and Transformation of Light'[einstein 1] received March 18 and published June 9, proposed the idea of energy quanta. This idea, motivated by Max Planck's earlier derivation of the law of black-body radiation, assumes that luminous energy can be absorbed or emitted only in discrete amounts, called quanta. Einstein states,

Energy, during the propagation of a ray of light, is not continuously distributed over steadily increasing spaces, but it consists of a finite number of energy quanta localised at points in space, moving without dividing and capable of being absorbed or generated only as entities.

In explaining the photoelectric effect, the hypothesis that energy consists of discrete packets, as Einstein illustrates, can be directly applied to black bodies, as well.

The idea of light quanta contradicts the wave theory of light that follows naturally from James Clerk Maxwell's equations for electromagnetic behavior and, more generally, the assumption of infinite divisibility of energy in physical systems.

A profound formal difference exists between the theoretical concepts that physicists have formed about gases and other ponderable bodies, and Maxwell's theory of electromagnetic processes in so-called empty space. While we consider the state of a body to be completely determined by the positions and velocities of an indeed very large yet finite number of atoms and electrons, we make use of continuous spatial functions to determine the electromagnetic state of a volume of space, so that a finite number of quantities cannot be considered as sufficient for the complete determination of the electromagnetic state of space.

[... this] leads to contradictions when applied to the phenomena of emission and transformation of light.

According to the view that the incident light consists of energy quanta [...], the production of cathode rays by light can be conceived in the following way. The body's surface layer is penetrated by energy quanta whose energy is converted at least partially into kinetic energy of the electrons. The simplest conception is that a light quantum transfers its entire energy to a single electron [...]

Einstein noted that the photoelectric effect depended on the wavelength, and hence the frequency of the light. At too low a frequency, even intense light produced no electrons. However, once a certain frequency was reached, even low intensity light produced electrons. He compared this to Planck's hypothesis that light could be emitted only in packets of energy given by hf, where h is Planck's constant and f is the frequency. He then postulated that light travels in packets whose energy depends on the frequency, and therefore only light above a certain frequency would bring sufficient energy to liberate an electron.

Even after experiments confirmed that Einstein's equations for the photoelectric effect were accurate, his explanation was not universally accepted. Niels Bohr, in his 1922 Nobel address, stated, 'The hypothesis of light-quanta is not able to throw light on the nature of radiation.'

By 1921, when Einstein was awarded the Nobel Prize and his work on photoelectricity was mentioned by name in the award citation, some physicists accepted that the equation (hf=Φ+Ek{displaystyle hf=Phi +E_{k}}) was correct and light quanta were possible. In 1923, Arthur Compton's X-ray scattering experiment helped more of the scientific community to accept this formula. The theory of light quanta was a strong indicator of wave–particle duality, a fundamental principle of quantum mechanics.[10] A complete picture of the theory of photoelectricity was realized after the maturity of quantum mechanics.

Brownian motion[edit]

The article 'Über die von der molekularkinetischen Theorie der Wärme geforderte Bewegung von in ruhenden Flüssigkeiten suspendierten Teilchen' ('On the Motion of Small Particles Suspended in a Stationary Liquid, as Required by the Molecular Kinetic Theory of Heat'),[einstein 2] received May 11 and published July 18, delineated a stochastic model of Brownian motion.

In this paper it will be shown that, according to the molecular kinetic theory of heat, bodies of a microscopically visible size suspended in liquids must, as a result of thermal molecular motions, perform motions of such magnitudes that they can be easily observed with a microscope. It is possible that the motions to be discussed here are identical with so-called Brownian molecular motion; however, the data available to me on the latter are so imprecise that I could not form a judgment on the question...

Einstein derived expressions for the mean squared displacement of particles. Using the kinetic theory of gases, which at the time was controversial, the article established that the phenomenon, which had lacked a satisfactory explanation even decades after it was first observed, provided empirical evidence for the reality of the atom. It also lent credence to statistical mechanics, which had been controversial at that time, as well. Before this paper, atoms were recognized as a useful concept, but physicists and chemists debated whether atoms were real entities. Einstein's statistical discussion of atomic behavior gave experimentalists a way to count atoms by looking through an ordinary microscope. Wilhelm Ostwald, one of the leaders of the anti-atom school, later told Arnold Sommerfeld that he had been convinced of the existence of atoms by Jean Perrin's subsequent Brownian motion experiments.[11]

Special relativity[edit]

Einstein's 'Zur Elektrodynamik bewegter Körper' ('On the Electrodynamics of Moving Bodies'),[einstein 3] his third paper that year, was received on June 30 and published September 26. It reconciles Maxwell's equations for electricity and magnetism with the laws of mechanics by introducing major changes to mechanics close to the speed of light. This later became known as Einstein's special theory of relativity.

The paper mentions the names of only five other scientists: Isaac Newton, James Clerk Maxwell, Heinrich Hertz, Christian Doppler, and Hendrik Lorentz. It does not have any references to any other publications. Many of the ideas had already been published by others, as detailed in history of special relativity and relativity priority dispute. However, Einstein's paper introduces a theory of time, distance, mass, and energy that was consistent with electromagnetism, but omitted the force of gravity.

At the time, it was known that Maxwell's equations, when applied to moving bodies, led to asymmetries (moving magnet and conductor problem), and that it had not been possible to discover any motion of the Earth relative to the 'light medium' (i.e. aether). Einstein puts forward two postulates to explain these observations. First, he applies the principle of relativity, which states that the laws of physics remain the same for any non-accelerating frame of reference (called an inertial reference frame), to the laws of electrodynamics and optics as well as mechanics. In the second postulate, Einstein proposes that the speed of light has the same value in all frames of reference, independent of the state of motion of the emitting body.

Special relativity is thus consistent with the result of the Michelson–Morley experiment, which had not detected a medium of conductance (or aether) for light waves unlike other known waves that require a medium (such as water or air). Einstein may not have known about that experiment, but states,

Examples of this sort, together with the unsuccessful attempts to discover any motion of the earth relatively to the 'light medium', suggest that the phenomena of electrodynamics as well as of mechanics possess no properties corresponding to the idea of absolute rest.

The speed of light is fixed, and thus not relative to the movement of the observer. This was impossible under Newtonianclassical mechanics. Einstein argues,

the same laws of electrodynamics and optics will be valid for all frames of reference for which the equations of mechanics hold good. We will raise this conjecture (the purport of which will hereafter be called the 'Principle of Relativity') to the status of a postulate, and also introduce another postulate, which is only apparently irreconcilable with the former, namely, that light is always propagated in empty space with a definite velocityc which is independent of the state of motion of the emitting body. These two postulates suffice for the attainment of a simple and consistent theory of the electrodynamics of moving bodies based on Maxwell's theory for stationary bodies. The introduction of a 'luminiferous ether' will prove to be superfluous in as much as the view here to be developed will not require an 'absolutely stationary space' provided with special properties, nor assign a velocity-vector to a point of the empty space in which electromagnetic processes take place.

The theory […] is based—like all electrodynamics—on the kinematics of the rigid body, since the assertions of any such theory have to do with the relationships between rigid bodies (systems of co-ordinates), clocks, and electromagnetic processes. Insufficient consideration of this circumstance lies at the root of the difficulties which the electrodynamics of moving bodies at present encounters.

It had previously been proposed, by George FitzGerald in 1889 and by Lorentz in 1892, independently of each other, that the Michelson–Morley result could be accounted for if moving bodies were contracted in the direction of their motion. Some of the paper's core equations, the Lorentz transforms, had been published by Joseph Larmor (1897, 1900), Hendrik Lorentz (1895, 1899, 1904) and Henri Poincaré (1905), in a development of Lorentz's 1904 paper. Einstein's presentation differed from the explanations given by FitzGerald, Larmor, and Lorentz, but was similar in many respects to the formulation by Poincaré (1905).

His explanation arises from two axioms. First, Galileo's idea that the laws of nature should be the same for all observers that move with constant speed relative to each other. Einstein writes,

The laws by which the states of physical systems undergo change are not affected, whether these changes of state be referred to the one or the other of two systems of co-ordinates in uniform translatory motion.

The second is the rule that the speed of light is the same for every observer.

Any ray of light moves in the 'stationary' system of co-ordinates with the determined velocity c, whether the ray be emitted by a stationary or by a moving body.

The theory, now called the special theory of relativity, distinguishes it from his later general theory of relativity, which considers all observers to be equivalent. Special relativity gained widespread acceptance remarkably quickly, confirming Einstein's comment that it had been 'ripe for discovery' in 1905. Acknowledging the role of Max Planck in the early dissemination of his ideas, Einstein wrote in 1913 'The attention that this theory so quickly received from colleagues is surely to be ascribed in large part to the resoluteness and warmth with which he [Planck] intervened for this theory'. In addition, the improved mathematical formulation of the theory by Hermann Minkowski in 1907 was influential in gaining acceptance for the theory. Also, and most importantly, the theory was supported by an ever-increasing body of confirmatory experimental evidence.

Mass–energy equivalence[edit]

On November 21 Annalen der Physik published a fourth paper (received September 27) 'Ist die Trägheit eines Körpers von seinem Energieinhalt abhängig?' ('Does the Inertia of a Body Depend Upon Its Energy Content?'),[einstein 4] in which Einstein deduced what is arguably the most famous of all equations: E = mc2.[12]

Einstein considered the equivalency equation to be of paramount importance because it showed that a massive particle possesses an energy, the 'rest energy', distinct from its classical kinetic and potential energies. The paper is based on James Clerk Maxwell's and Heinrich Rudolf Hertz's investigations and, in addition, the axioms of relativity, as Einstein states,

The results of the previous investigation lead to a very interesting conclusion, which is here to be deduced.

The previous investigation was based 'on the Maxwell–Hertz equations for empty space, together with the Maxwellian expression for the electromagnetic energy of space ...'

The laws by which the states of physical systems alter are independent of the alternative, to which of two systems of coordinates, in uniform motion of parallel translation relatively to each other, these alterations of state are referred (principle of relativity).

The equation sets forth that the energy of a body at rest (E) equals its mass (m) times the speed of light (c) squared, or E = mc2.

If a body gives off the energy L in the form of radiation, its mass diminishes by L/c2. The fact that the energy withdrawn from the body becomes energy of radiation evidently makes no difference, so that we are led to the more general conclusion that

The mass of a body is a measure of its energy-content; if the energy changes by L, the mass changes in the same sense by L/(9 × 1020), the energy being measured in ergs, and the mass in grammes.

[...]

Annalen Der Physik Und Chemie

If the theory corresponds to the facts, radiation conveys inertia between the emitting and absorbing bodies.

The mass-energy relation can be used to predict how much energy will be released or consumed by nuclear reactions; one simply measures the mass of all constituents and the mass of all the products and multiplies the difference between the two by c2. The result shows how much energy will be released or consumed, usually in the form of light or heat. When applied to certain nuclear reactions, the equation shows that an extraordinarily large amount of energy will be released, millions of times as much as in the combustion of chemical explosives, where mass is conserved. This explains why nuclear weapons and nuclear reactors produce such phenomenal amounts of energy, as they release binding energy during nuclear fission and nuclear fusion, and convert a portion of subatomic mass to energy.

Commemoration[edit]

The International Union of Pure and Applied Physics (IUPAP) resolved to commemorate the 100th year of the publication of Einstein's extensive work in 1905 as the 'World Year of Physics 2005'. This was subsequently endorsed by the United Nations.

References[edit]

  1. ^The suggestion that Mileva actually co-authored some of Einstein's early papers was based largely on what is now generally agreed to have been a misunderstanding. In an obituary for Einstein in 1955, Abram Joffe wrote 'In 1905, three articles appeared in the Annalen der Physik... The author of these articles, an unknown person at the time, was a bureaucrat at the Patent Office in Bern, Einstein-Marity (Marity – the maiden name of his wife, which by Swiss custom is added to the husband's family name).' Thus Joffe did not claim co-authorship, he merely stated that the papers were by an unknown individual, and that Marity was the maiden name of the author's wife, appended to the author's name by Swiss custom. Joffe's comment was later mis-quoted in a way that suggested co-authorship of the husband and wife. However, there is no such custom in Switzerland and Einstein never used the name 'Einstein-Marity' for himself [1].
  2. ^'Einstein's Wife : The Mileva Question'. Oregon Public Broadcasting. 2003. Archived from the original on 2013-08-04. Retrieved 2016-08-02.
  3. ^Stachel, John, Einstein's Miraculous Year (1905), pp. liv-lxiii
  4. ^Calaprice, Alice, 'The Einstein almanac'. Johns Hopkins University Press, Baltimore, Maryland 2005.
  5. ^The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science, Series 6, volume 2, page 1 (1901)
  6. ^'The Nobel Prize in Physics 1921'. NobelPrize.org. Retrieved 2019-08-09.
  7. ^Ives, Herbert E.; Stilwell, G. R. (1938). 'An experimental study of the rate of a moving clock'. Journal of the Optical Society of America. 28 (7): 215–226. Bibcode:1938JOSA...28..215I. doi:10.1364/JOSA.28.000215.
  8. ^Ives, Herbert E.; Stilwell, G. R. (1941). 'An experimental study of the rate of a moving clock II'. Journal of the Optical Society of America. 31: 359–374. doi:10.1364/josa.31.000369.
  9. ^Rossi, Bruno; Hall, David B. (February 1, 1941). 'Variation of the Rate of Decay of Mesotrons with Momentum'. Physical Review. 59 (3): 223–228. Bibcode:1941PhRv...59..223R. doi:10.1103/PhysRev.59.223.
  10. ^Physical systems can display both wave-like and particle-like properties
  11. ^Nye, M. (1972). Molecular Reality: A Perspective on the Scientific Work of Jean Perrin. London: MacDonald. ISBN0-356-03823-8.
  12. ^Bodanis, David (2009). E=mc2: A Biography of the World's Most Famous Equation (illustrated ed.). Bloomsbury Publishing. ISBN978-0-8027-1821-1.

Primary sources[edit]

  1. ^Einstein, Albert (1905). 'Über einen die Erzeugung und Verwandlung des Lichtes betreffenden heuristischen Gesichtspunkt' [On a Heuristic Point of View about the Creation and Conversion of Light] (PDF). Annalen der Physik (in German). 17 (6): 132–148. Bibcode:1905AnP...322..132E. doi:10.1002/andp.19053220607. Retrieved 2017-01-15.
    English translations:
    • Einstein, Albert. 'On a Heuristic Point of View about the Creation and Conversion of Light'(PDF). Translated by Dirk ter Haar.
    • Einstein, Albert. 'On a Heuristic Point of View about the Creation and Conversion of Light'. Translated by Wikisource.
  2. ^Einstein, Albert (1905). 'Über die von der molekularkinetischen Theorie der Wärme geforderte Bewegung von in ruhenden Flüssigkeiten suspendierten Teilchen' [Investigations on the theory of Brownian Movement] (PDF). Annalen der Physik (in German). 17 (8): 549–560. Bibcode:1905AnP...322..549E. doi:10.1002/andp.19053220806. Retrieved 2017-01-15.
    English translation:
    • Einstein, Albert. 'Investigations on the theory of Brownian Movement'(PDF). Translated by A. D. Cowper.
  3. ^Einstein, Albert (1905-06-30). 'Zur Elektrodynamik bewegter Körper' [On the Electrodynamics of Moving Bodies] (PDF). Annalen der Physik (in German). 17 (10): 891–921. Bibcode:1905AnP...322..891E. doi:10.1002/andp.19053221004. Retrieved 2017-01-15. See also a digitized version at Wikilivres:Zur Elektrodynamik bewegter Körper.
    English translations:
    • Einstein, Albert (1923). 'On the Electrodynamics of Moving Bodies'. The Principle of Relativity. Translated by George Barker Jeffery; Wilfrid Perrett. London: Methuen and Company, Ltd.
    • Einstein, Albert (1920). 'On the Electrodynamics of Moving Bodies'. The Principle of Relativity: Original Papers by A. Einstein and H. Minkowski. Translated by Megh Nad Saha. University of Calcutta. pp. 1–34.
  4. ^Einstein, Albert (1905). 'Ist die Trägheit eines Körpers von seinem Energieinhalt abhängig?' [Does the Inertia of a Body Depend Upon Its Energy Content?] (PDF). Annalen der Physik (in German). 18 (13): 639–641. Bibcode:1905AnP...323..639E. doi:10.1002/andp.19053231314. Retrieved 2017-01-15.
    English translations:
    • Einstein, Albert (1923). 'Does the Inertia of a Body Depend Upon Its Energy Content?'. The Principle of Relativity. Translated by George Barker Jeffery; Wilfrid Perrett. London: Methuen and Company, Ltd.

Secondary sources[edit]

Annalen Der Physik Einstein

  • Gribbin, John, and Gribbin, Mary. Annus Mirabilis: 1905, Albert Einstein, and the Theory of Relativity, Chamberlain Bros., 2005. ISBN1-59609-144-4 (includes DVD)
  • Renn, Jürgen, and Dieter Hoffmann, '1905 — a miraculous year'. 2005 J. Phys. B: At. Mol. Opt. Phys. 38 S437-S448 (Max Planck Institute for the History of Science) [Issue 9 (14 May 2005)]
  • Stachel, John, et al., Einstein's Miraculous Year. Princeton University Press, 1998. ISBN0-691-05938-1

External links[edit]

  • Wikilivres has original media or text related to this article: 'On the Electrodynamics of Moving Bodies' (in the public domain in New Zealand)

Annalen Der Physik Einstein 1905 Pdf

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