An Unpublished Debate Brought to Light: Karl Popper's Enterprise against the Logic of Quantum MechanicsKarl Popper published, in 1968, a paper that allegedly found a flaw in a very influential article of Birkhoff and von Neumann, which pioneered the field of "quantum logic". Nevertheless, nobody…Flavio Del Santo·Oct 14, 2019SaveLearn
Diagnosing Disagreements: The Authentication of the Positron 1931-1934This paper bridges a historiographical gap in accounts of the prediction and discovery of the positron by combining three ingredients. First, the prediction and discovery of the positron are situated…Ana-Maria Cretu·Oct 14, 2019SaveLearn
Holism as the significance of gauge symmetriesNot all symmetries are on a par. For instance, within Newtonian mechanics, we seem to have a good grasp on the empirical significance of boosts, by applying it to subsystems. This is exemplified by…Henrique Gomes·Oct 11, 2019SaveLearn
Dependence Relations in General RelativityThe paper discusses from a metaphysical standpoint the nature of the dependence relation underpinning the talk of mutual action between material and spatiotemporal structures in general relativity.…Antonio Vassallo·Oct 10, 2019SaveLearn
A contextual analysis of the early work of Andrzej Trautman and Ivor Robinson on equations of motion and gravitational radiationIn a series of papers published in the course of his dissertation work in the mid 1950's, Andrzej Trautman drew upon the slow motion approximation developed by his advisor Infeld, the general…Donald Salisbury, Daniel Kennefick·Oct 9, 2019SaveLearn
Supergravity was discovered by D.V. Volkov and V.A. Soroka in 1973, wasn't it?Supergravity is a remarkable theory combining supersymmetry and general relativity. While the theory has many developers from across the globe, we wish to address the question who were the real…Steven Duplij·Oct 8, 2019SaveLearn
One swallow does not make a summer: 160 years of Richard Carrington's legacyOn 1 September 1859, the British astronomer Richard Carrington observed an anomalous behavior on the Sun. Approximately 17 hours later, magnetic effects of global scales were observed at Earth:…D. M. Oliveira·Oct 7, 2019SaveLearn
Neither Presentism nor EternalismIs reality three-dimensional and becoming real (Presentism), or is reality four-dimensional and becoming illusory (Eternalism)? Both options raise difficulties. I argue that we do not need to be…Carlo Rovelli·Oct 6, 2019SaveLearn
Edwin P. Hubble, astropol\'iticoRather than offering chronologically ordered encyclopedic knowledge of a lifetime, only some of the most striking events of the existence of this well-known scientist are here pointed out. Sections:…Martin Lopez-Corredoira·Oct 4, 2019SaveLearn
A democratic Cosmos?Despite the success of our best models in Theoretical Physics, especially concerning Cosmology and Particle Physics, we still face persistent challenges. Among them we have the cosmological…Yigit Yargic, Guilherme Franzmann·Oct 1, 2019SaveLearn
Well Temperaments based on the Werckmeister Definition From Werckmeister, passing Vallotti, Bach and Kirnberger, to Equal Temperament Inspired by Kelletat and AmiotMathematical steps are developed to obtain optimised well tempered model "temperaments", based on a musical Well Temperament definition by H. Kelletat, that is derived from A. Werckmeister. This…Johan Broekaert·Sep 29, 2019SaveLearn
The hard problem and the measurement problem: a no-go theorem and potential consequencesThe "measurement problem" of quantum mechanics, and the "hard problem" of cognitive science are the most profound open problems of the two research fields, and certainly among the deepest of all…Igor Salom·Sep 27, 2019SaveLearn
The construction of ElectromagnetismWe examine the construction of electromagnetism in its current form, and in an alternative form, from a point of view that combines a minimal realism with strict demands of reason that we first…M. A. Natiello, H. G. Solari·Sep 26, 2019SaveLearn
Memories of my early career in relativity physicsThe text presented here and revised by the authors is based on the original oral history interview by Donald Salisbury with Andrzej Trautman recorded in Warsaw on June 24 and June 28, 2016.Andrzej Trautman, Donald Salisbury·Sep 26, 2019SaveLearn
Not the Earth, but its orbit: Andre Tacquet and the question of star sizes in a heliocentric universeThis paper consists of a translation of Andre Tacquet's discussion of the question of sizes of stars in a heliocentric universe, as published in his posthumous Opera Mathematica of 1668, along with…Christopher M. Graney·Sep 26, 2019SaveLearn
Lev Lipatov: my friend and renowned physicistThese notes are written for the book "From the past to the future: the legacy of Lev Lipatov", editors: Jochen Bartels et all, which will be published by WS. I tried to share with you the atmosphere…Eugene Levin·Sep 24, 2019SaveLearn
Ontological Foundations of the Variational Principles and the Path Integral FormalismIn this paper, I consider the issue of how two mathematical models of modern physics, the variational principles and the quantum path integral formalism, relate to reality. I assume that the observed…Vladislav Terekhovich·Sep 22, 2019SaveLearn
Modal Approaches in Metaphysics and Quantum MechanicsSome interpretations of quantum mechanics use notions of possible states and possible trajectories. I investigate how this modal approach correlates with several metaphysical conceptions of a…Vladislav Terekhovich·Sep 22, 2019SaveLearn
Model PluralismThis paper introduces and defends an account of model-based science that I dub model pluralism. I argue that despite a growing awareness in the philosophy of science literature of the multiplicity,…Walter Veit·Sep 18, 2019SaveLearn
Redshifts versus paradigm shifts; against renaming Hubble's LawWe consider the proposal by many scholars and by the International Astronomical Union to rename Hubble's law as the Hubble-Lemaitre law. We find the renaming questionable on historic, scientific and…Cormac O'Raifeartaigh, Michael O'Keeffe·Sep 17, 2019SaveLearn
The Science of Murray Gell-MannThis article summarizes some of the most important scientific contributions of Murray Gell-Mann (1929-2019). (Invited article for Current Science, Indian Academy of Sciences.)Sanjay Jain, Spenta R. Wadia·Sep 16, 2019SaveLearn
How Dualists Should (Not) Respond to the Objection from Energy ConservationThe principle of energy conservation is widely taken to be a serious difficulty for interactionist dualism (whether property or substance). Interactionists often have therefore tried to make it…Alin C. Cucu, J. Brian Pitts·Sep 13, 2019SaveLearn
Historical and Philosophical Insights about General Relativity and Space-time from Particle PhysicsHistorians recently rehabilitated Einstein's "physical strategy" for General Relativity (GR). Independently, particle physicists similarly re-derived Einstein's equations for a massless spin 2 field.…J. Brian Pitts·Sep 13, 2019SaveLearn
Toward a quantum theory of gravity: Syracuse 1949-1962Peter Bergmann and his students embarked in 1949 on a mainly canonical quantization program whose aim was to take into account the underlying four-dimensional diffeomorphism symmetry in the…Donald Salisbury·Sep 12, 2019SaveLearn
Scientific relations between Uruguay and Argentina in the 1920s: the exact sciencesThe scientific career of Uruguayan theoretical physicist Enrique Loedel Palumbo in Argentina illustrates the intense intellectual exchange that existed between these neighboring countries in the…Alejandro Gangui, Eduardo L. Ortiz·Sep 5, 2019SaveLearn