The application of the electrodynamics of Born to the theory of the propagation of light in electromagnetic fields [Engl. transl. of kand. diss. (Ph.D. thesis), 1936]English translation of a Russian Ph.D. thesis from 1936. No original abstract, translator's abstract: The thesis consists of two chapters. In chapter I, general requirements to be imposed on any…A. A. Smirnov·Aug 22, 2017SaveLearn
Remarks on the empirical accuracy of the optical superposition principle [Engl. transl. of Zh. Russk. Fiz.-Khim. Obshch., Ch. Fiz. 60(1928)555]English translation of a Russian article from 1928. Translator's abstract: The article presents general considerations on the validity of the superposition principle for light in vacuo from out a…S. I. Vavilov·Aug 22, 2017SaveLearn
Are black holes about information?Information theory is increasingly invoked by physicists concerned with fundamental physics, including black hole physics. But to what extent is the application of information theory in those…Christian Wuthrich·Aug 18, 2017SaveLearn
Measurement of the Lorentz-FitzGerald Body ContractionA complete foundational discussion of acceleration in context of Special Relativity is presented. Acceleration allows the measurement of a Lorentz-FitzGerald body contraction created. It is argued…Johann Rafelski·Aug 17, 2017SaveLearn
A. G. W. Cameron 1925-2005, Biographical Memoir, National Academy of SciencesAlastair Graham Walker Cameron was an astrophysicist and planetary scientist of broad interests and exceptional originality. A founder of the field of nuclear astrophysics, he developed the…David Arnett·Aug 17, 2017SaveLearn
The search for superheavy elements: Historical and philosophical perspectivesThe heaviest of the transuranic elements known as superheavy elements (SHE) are produced in nuclear reactions in a few specialized laboratories located in Germany, the U.S., Russia, and Japan. The…Helge Kragh·Aug 14, 2017SaveLearn
Analysis of the Jun Ishiwara's "The universal meaning of the quantum of action"Here we present an analysis of the paper "Universelle Bedeutung des Wirkungsquantums" (The universal meaning of the quantum of action), published by Jun Ishiwara in German in the…Karla Pelogia, Carlos Alexandre Brasil·Aug 10, 2017SaveLearn
Umbra in partial lunar eclipses at moonriseThe darkness of the umbra of the lunar eclipse of August 7 2017 corresponded to the predictions of A. Danjon for the Sun at its minimum. It appeared partial at moonrise in Rome similarly to the one…Costantino Sigismondi·Aug 9, 2017SaveLearn
Magnetic Compasses and Chinese ArchitecturesIn this paper, we are discussing the effect of the use of magnetic compasses on the orientation of ancient Chinese architectonical complexes. As Czech researchers proposed in 2011, assuming these…Amelia Carolina Sparavigna·Aug 4, 2017SaveLearn
"The universal meaning of the quantum of action", by Jun IshiwaraCommented translation of the paper "Universelle Bedeutung des Wirkungsquantums", published by Jun Ishiwara in German in the Proceedings of Tokyo Mathematico-Physical Society 8 106-116 (1915).…Karla Pelogia, Carlos Alexandre Brasil·Aug 2, 2017SaveLearn
Editorial: Special Issue on the Atomic and Molecular Processes in the Ultracold Regime, the Chemical Regime, and AstrophysicsThis editorial introduces the J. Phys. B: Atomic, Molecular and Optical Physics Special Issue "Atomic and Molecular Processes in the Ultracold Regime, the Chemical Regime and Astrophysics"…J. F. Babb, R. Côté, H. R. Sadeghpour et al.·Aug 2, 2017SaveLearn
Causation, Information, and PhysicsThis work outlines the novel application of the empirical analysis of causation, presented by Kutach, to the study of information theory and its role in physics. The central thesis of this paper is…Geoff Beck·Jul 27, 2017SaveLearn
From mindless mathematics to thinking meat?Deconstruction of the theme of the 2017 FQXi essay contest is already an interesting exercise in its own right: Teleology is rarely useful in physics --- the only known mainstream physics example…Matt Visser·Jul 27, 2017SaveLearn
Twelve years before the quantum no-cloning theoremThe celebrated quantum no-cloning theorem establishes the impossibility of making a perfect copy of an unknown quantum state. The discovery of this important theorem for the field of quantum…Juan Ortigoso·Jul 21, 2017SaveLearn
A Schema for Duality, Illustrated by BosonizationIn this paper we present a schema for describing dualities between physical theories (Sections 2 and 3), and illustrate it in detail with the example of bosonization: a boson-fermion duality in…Sebastian De Haro, Jeremy Butterfield·Jul 20, 2017SaveLearn
Betting on Quantum ObjectsDutch book arguments have been applied to beliefs about the outcomes of measurements of quantum systems, but not to beliefs about quantum objects prior to measurement. In this paper, we prove a…Jeremy Steeger·Jul 20, 2017SaveLearn
Classical Spacetime StructureI discuss several issues related to "classical" spacetime structure. I review Galilean, Newtonian, and Leibnizian spacetimes, and briefly describe more recent developments. The target…James Owen Weatherall·Jul 18, 2017SaveLearn
On the Earthshine depicted in Galileo's watercolors of the MoonWith the manuscript of the Sidereus Nuncius preserved at the Biblioteca Nazionale of Florence are included 7 watercolors of the Moon painted by Galileo himself. We suggest that some of them, and in…Paolo Molaro·Jul 17, 2017SaveLearn
Theoretical terms of contemporary cosmology as intellectual artifactsIn this paper, the theoretical terms of contemporary cosmology are examined as intellectual artefacts. An ontology and methodology are introduced for this purpose, which includes defining the concept…Anastasiia Lazutkina·Jul 17, 2017SaveLearn
Resolving the observer reference class problem in cosmologyThe assumption that we are typical observers plays a core role in attempts to make multiverse theories empirically testable. A widely shared worry about this assumption is that it suffers from…Simon Friederich·Jul 14, 2017SaveLearn
Forces on FieldsIn electromagnetism, as in Newton's mechanics, action is always equal to reaction. The force from the electromagnetic field on matter is balanced by an equal and opposite force from matter on the…Charles T. Sebens·Jul 13, 2017SaveLearn
Fine-Tuning in the Context of Bayesian Theory TestingFine-tuning in physics and cosmology is often used as evidence that a theory is incomplete. For example, the parameters of the standard model of particle physics are "unnaturally" small (in…Luke A. Barnes·Jul 13, 2017SaveLearn
Journeys from Quantum Optics to Quantum TechnologySir Peter Knight is a pioneer in quantum optics which has now grown to an important branch of modern physics to study the foundations and applications of quantum physics. He is leading an effort to…Stephen M. Barnett, Almut Beige, Artur Ekert et al.·Jul 9, 2017SaveLearn
A Brief Comment on Maxwell(/Newton)[-Huygens] SpacetimeI provide an alternative characterization of a "standard of rotation" in the context of classical spacetime structure that does not refer to any covariant derivative operator.James Owen Weatherall·Jul 8, 2017SaveLearn
The Charm of Theoretical Physics (1958-1993)Personal recollections on theoretical particle physics in the years when the Standard Theory was formed. In the background, the remarkable development of Italian theoretical physics in the second…Luciano Maiani, Luisa Bonolis·Jul 6, 2017SaveLearn