Pisa and the Collider Detector at Fermilab: a History of the Establishment of Precision Physics With a Calorimetric Spectrometer at a Hadron ColliderThis is a personal and admittedly US-centric attempt to summarize the foundational impact of the Pisa CDF Group on the conceptual design, construction, and early operation of the CDF Detector at…Henry J. Frisch·Aug 13, 2018SaveLearn
Theoreticians at the Physical-Technical Institute (To the centennial of the Ioffe Institute)Dedicated to the centenary of the Ioffe Institute, the article contains the shortest review of scientific achievements of the theorists of the institute during this time. We concentrate mainly on…M. Ya. Amusia·Aug 13, 2018SaveLearn
My Years with Julian Schwinger: From Source Theory through SonoluminescenceI recall my interactions with Julian Schwinger, first as a graduate student at Harvard, and then as a postdoc at UCLA, in the period 1968--81, and subsequently. Some aspects of his legacy to physics…K. A. Milton·Aug 6, 2018SaveLearn
The Gibbs ParadoxThe Gibbs Paradox is essentially a set of open questions as to how sameness of gases or fluids (or masses, more generally) are to be treated in thermodynamics and statistical mechanics. They have a…Simon Saunders·Aug 6, 2018SaveLearn
The Many Definitions of a Black HoleAlthough black holes are objects of central importance across many fields of physics, there is no agreed upon definition for them, a fact that does not seem to be widely recognized. Physicists in…Erik Curiel·Aug 4, 2018SaveLearn
The Geometry of Spaceborne Synthetic Aperture RadarThe paper defines a new coordinate system that was developed in 1977-78 for the world's first digital synthetic aperture radar (SAR) ground processor for images from the Seasat-A satellite. The…P. H. Robert Orth·Aug 1, 2018SaveLearn
Julian Schwinger--Recollections from many decadesI present some reminiscences, both personal and scientific, over a lifetime of admiration of, and friendship with, one of the Grandmasters of our subject.S. Deser·Jul 27, 2018SaveLearn
Clifford's attempt to test his gravitation hypothesisAlmost half a century before Einstein expounded his general theory of relativity, the English mathematician William Kingdon Clifford argued that space might not be Euclidean and proposed that matter…S. Galindo, Jorge L. Cervantes-Cota·Jul 24, 2018SaveLearn
A Theory of Inertia Based on Mach's PrincipleA non-relativistic theory of inertia based on Mach's principle is presented as has been envisaged but not achieved by Ernst Mach in 1872. Central feature is a space-dependent, anisotropic, symmetric…Volkmar Putz·Jul 23, 2018SaveLearn
Historical observations of STEVERecent work by MacDonald et al. has highlighted the valuable work carried out by sky watchers and auroral enthusiasts in obtaining high-quality digital images of rare and unusual auroral structures.…Mark Bailey, Conor Byrne, Rok Nezic et al.·Jul 23, 2018SaveLearn
On the Observations of the Penetrating Radiation during Seven Balloon FlightsAt the beginning of the twentieth century, the Austrian (later naturalized American) Victor Hess among others developed a brilliant line of research, leading to the final determination of the…Victor Hess·Jul 23, 2018SaveLearn
Validation of the Simulation of Collision Events at the LHCThe procedures of validating simulation of particle physics events at the LHC are summarized. Because of the strongly fluctuating particle content of LHC events and detector interactions, particle…Peter Mättig·Jul 20, 2018SaveLearn
Striving for Realism, not for Determinism: Historical Misconceptions on Einstein and BohmIn this paper I show that, while Einstein and Bohm both pursued a deterministic description of quantum mechanics, their philosophical concern was in fact primarily realism and not determinism. Their…Flavio Del Santo·Jul 19, 2018SaveLearn
Elements of reality in quantum mechanicsThe notion of the Einstein-Podolsky-Rosen (EPR) "element of reality" is much discussed in the literature on the foundations of quantum mechanics. Recently, it has become particularly relevant due to…Geoff Beck·Jul 17, 2018SaveLearn
Reconstructed sunspot positions in the Maunder Minimum based on the correspondence of Gottfried KirchWe present reconstructed sunspot positions based on observations reported in letters between Gottfried Kirch and other contemporary astronomers from AD 1680 to 1709, i.e. in the last decades of the…R. Neuhäuser, R. Arlt, S. Richter·Jul 17, 2018SaveLearn
Newton's Hypotheses on the Structure of MatterIsaac Newton's book 'Opticks' from the 18th century includes several hypotheses on the structure of matter. Most of the hypotheses were confirmed during the 19th and 20th centuries at the scale of…Philip Yock·Jul 15, 2018SaveLearn
Levels of spacetime emergence in quantum gravityWe explore the issue of spacetime emergence in quantum gravity, by articulating several levels at which this can be intended. These levels correspond to the reconstruction moves that are needed to…Daniele Oriti·Jul 13, 2018SaveLearn
Isaac Thuret: celebrated craftsman denied intellectual creditThe Scientific Revolution sweeping through seventeenth-century Europe led to unprecedented intellectual and scientific insights and high-profile technological developments. Combined with a…Richard de Grijs·Jul 10, 2018SaveLearn
A Precipice Below Which Lies Absurdity? Theories without a Spacetime and Scientific UnderstandingWhile the relation between visualization and scientific understanding has been a topic of long-standing discussion, recent developments in physics have pushed the boundaries of this debate to new and…Sebastian De Haro, Henk W. de Regt·Jul 7, 2018SaveLearn
A retrospective look at Regge polesThe theoretical motivations that led Tullio Regge to investigate the analytical properties of the scattering amplitude of the collision process between two particles in terms of complex energy and…Alessandro Bottino·Jul 6, 2018SaveLearn
The strange case of Dr. Petit and Mr. DulongThe Dulong-Petit limiting law for the specific heats of solids, one of the first general results in thermodynamics, has provided Mendeleev with a powerful tool for devising the periodic table and…Roberto Piazza·Jul 6, 2018SaveLearn
The Impact Of World War I On Relativity: Part III, The AftermathNeither the world nor science came to an end when the gunfire stopped on 11 November 1918 (close to 11 AM in some time zone), but neither would ever be the same again. Part I of this inquiry…Virginia Trimble·Jul 5, 2018SaveLearn
Yes, Aboriginal Australians Can and Did Discover the Variability of BetelgeuseRecently, a widely publicized claim has been made that the Aboriginal Australians discovered the variability of the red star Betelgeuse in the modern Orion, plus the variability of two other…Bradley E. Schaefer·Jun 26, 2018SaveLearn
Model Choice and Crucial Tests. On the Empirical Epistemology of the Higgs DiscoveryOur paper discusses the epistemic attitudes of particle physicists on the discovery of the Higgs boson at the Large Hadron Collider (LHC). It is based on questionnaires and interviews made shortly…Peter Mättig, Michael Stöltzner·Jun 24, 2018SaveLearn
It Takes a Village: Documenting the Contributions of Non-Scientific Staff to Scientific ResearchScience, especially large-scale basic research, is a collaborative endeavor, often drawing on the skills of people from a wide variety of disciplines. These people include not just scientists, but…Valerie Higgins·Jun 19, 2018SaveLearn