23 found
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  1. Domenico Giulini (2007). Some Remarks on the Notions of General Covariance and Background Independence. Lecture Notes in Physics 721:105--20.
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  2. Domenico Giulini, On the Statistical Viewpoint Concerning the 2nd Law of Thermodynamics - OR - a Reminder on the Ehrenfests' Urm Model.
    In statistical thermodynamics the 2nd law is properly spelled out in terms of conditioned probabilities. As such it makes the statement, that `entropy increases with time' without preferring a time direction. In this paper we try to explain this statement---which is well known since the time of the Ehrenfests---in some detail within a systematic Bayesian approach.
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  3.  5
    Domenico Giulini, Energy-Momentum Tensors and Motion in Special Relativity.
    The notions of ``motion'' and ``conserved quantities'', if applied to extended objects, are already quite non-trivial in Special Relativity. This contribution is meant to remind us on all the relevant mathematical structures and constructions that underlie these concepts, which we will review in some detail. Next to the prerequisites from Special Relativity, like Minkowski space and its automorphism group, this will include the notion of a body in Minkowski space, the momentum map, a characterisation of the habitat of globally conserved (...)
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  4.  6
    Jürgen Renn, Peter Damerow, Simone Rieger & Domenico Giulini (2001). Hunting the White Elephant: When and How Did Galileo Discover the Law of Fall? Science in Context 14 (S1):29.
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  5.  64
    Domenico Giulini (2008). Electron Spin or “Classically Non-Describable Two-Valuedness”. Studies in History and Philosophy of Science Part B 39 (3):557-578.
    In December 1924 Wolfgang Pauli proposed the idea of an inner degree of freedom of the electron, which he insisted should be thought of as genuinely quantum mechanical in nature. Shortly thereafter Ralph Kronig and, independently, Samuel Goudsmit and George Uhlenbeck took up a less radical stance by suggesting that this degree of freedom somehow corresponded to an inner rotational motion, though it was unclear from the very beginning how literal one was actually supposed to take this picture, since it (...)
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  6.  6
    Domenico Giulini, The Problem of Inertia (in German).
    It is well known that the concept of "force", if based on "interaction", becomes problematic when applied to "inertia". I review some well known historical arguments (Newton, Mach), move to some slightly less well known contributions (Neumann, Lange, Thomson, Tait, the Friedlaender brothers), and discuss the situation that we now face in general relativity.
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  7.  3
    Domenico Giulini, Dynamical and Hamiltonian Formulation of General Relativity.
    This is a substantially expanded version of a chapter-contribution to "The Springer Handbook of Spacetime", edited by Abhay Ashtekar and Vesselin Petkov, published by Springer Verlag in 2014. This contribution introduces the reader to the reformulation of Einstein's field equations of General Relativity as a constrained evolutionary system of Hamiltonian type and discusses some of its uses,together with some technical and conceptual aspects. Attempts were made to keep the presentation self contained and accessible to first-year graduate students. This implies a (...)
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  8.  15
    Domenico Giulini & Norbert Straumann (2006). Einstein's Impact on the Physics of the Twentieth Century. Studies in History and Philosophy of Science Part B 37 (1):115-173.
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  9.  4
    Domenico Giulini, On Max Born's "Vorlesungen Ueber Atommechanik, Erster Band".
    A little more than half a year before Matrix Mechanics was born, Max Born finished his book "Vorlesungen ueber Atommechanik, Erster Band", which is a state-of-the-art presentation of Bohr-Sommerfeld quantisation. This book, which today seems almost forgotten, is remarkable for its epistemological as well as technical aspects. Here I wish to highlight one aspect in each of these two categories, the first being concerned with the role of axiomatisation in the heuristics of physics, the second with the problem of quantisation (...)
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  10.  65
    Domenico Giulini, Matter From Space.
    General Relativity offers the possibility to model attributes of matter, like mass, momentum, angular momentum, spin, chirality etc. from pure space, endowed only with a single field that represents its Riemannian geometry. I review this picture of `Geometrodynamics' and comment on various developments after Einstein.
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  11.  61
    Domenico Giulini (2001). Uniqueness of Simultaneity. British Journal for the Philosophy of Science 52 (4):651-670.
    I invesigate the question of existence and uniqueness of simultaneity structures in spacetimes whose automorphism group, Aut, is either the inhomogeneous proper orthochronous Galilei or Lorentz group. An absolute simultaneity structure is defined as Aut-invariant equivalence relation whose equivalence classes are acausal sets. It is unique for Galilean and non-existent for Lorentzian spacetimes. Simultaneity relative to some additional structure X on spacetime is defined analogously, where Aut is now replaced with the stabilizer subgroup of X in Aut. It turns out (...)
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  12.  64
    Domenico Giulini, Concepts of Symmetry in the Work of Wolfgang Pauli.
    "Symmetry" was one of the most important methodological themes in 20th-century physics and is probably going to play no lesser role in physics of the 21st century. As used today, there are a variety of interpretations of this term, which differ in meaning as well as their mathematical consequences. Symmetries of crystals, for example, generally express a different kind of invariance than gauge symmetries, though in specific situations the distinctions may become quite subtle. I will review some of the various (...)
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  13. Domenico Giulini (2002). Das Problem der Trägheit. Philosophia Naturalis 39:343.
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  14.  7
    Domenico Giulini (2008). Electron Spin or “Classically Non-Describable Two-Valuedness”. Studies in History and Philosophy of Science Part B 39 (3):557-578.
    In December 1924 Wolfgang Pauli proposed the idea of an inner degree of freedom of the electron, which he insisted should be thought of as genuinely quantum mechanical in nature. Shortly thereafter Ralph Kronig and, independently, Samuel Goudsmit and George Uhlenbeck took up a less radical stance by suggesting that this degree of freedom somehow corresponded to an inner rotational motion, though it was unclear from the very beginning how literal one was actually supposed to take this picture, since it (...)
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  15. Domenico Giulini (2008). Electron Spin or “Classically Non-Describable Two-Valuedness”. Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 39 (3):557-578.
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  16.  1
    Domenico Giulini & Norbert Straumann (2006). Einstein's Impact on the Physics of the Twentieth Century. Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 37 (1):115-173.
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  17.  22
    Domenico Giulini (2007). What is (Not) Wrong with Scalar Gravity? Studies in History and Philosophy of Science Part B 39 (1):154-180.
    On his way to General Relativity (GR) Einstein gave several arguments as to why a special relativistic theory of gravity based on a massless scalar field could be ruled out merely on grounds of theoretical considerations. We re-investigate his two main arguments, which relate to energy conservation and some form of the principle of the universality of free fall. We find that such a theory-based a priori abandonment not to be justified. Rather, the theory seems formally perfectly viable, though in (...)
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  18.  31
    Domenico Giulini (2001). Uniqueness of Simultaneity. British Journal for the Philosophy of Science 52 (4):651-670.
    We consider the problem of uniqueness of certain simultaneity structures in flat spacetime. Absolute simultaneity is specifiled to be a non-trivial equivalence relation which is invariant under the automorphism group Aut of spacetime. Aut is taken to be the identity-component of either the inhomogeneous Galilei group or the inhomogeneous Lorentz group. Uniqueness of standard simultaneity in the first, and absence of any absolute simultaneity in the second case are demonstrated and related to certain group theoretic properties. Relative simultaneity with respect (...)
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  19.  4
    Domenico Giulini (2014). Does Cosmological Expansion Affect Local Physics? Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 46 (1):24-37.
    In this contribution I wish to address the question whether, and how, the global cosmological expansion influences local physics, like particle orbits and black hole geometries. Regarding the former I argue that a pseudo Newtonian picture can be quite accurate if “expansion” is taken to be an attribute of the inertial structure rather than of “space” in some substantivalist sense. This contradicts the often-heard suggestion to imagine cosmological expansion as that of “space itself”. Regarding isolated objects in full General Relativity, (...)
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  20.  21
    Domenico Giulini, Superselection Rules.
    This note provides a summary of the meaning of the term `Superselection Rule' in Quantum Mechanics and Quantum-Field Theory. It is a contribution to the Compendium of Quantum Physics: Concepts, Experiments, History and Philosophy, edited by Friedel Weinert, Klaus Hentschel, Daniel Greenberger, and Brigitte Falkenburg, to be published by Springer Verlag.
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  21. Domenico Giulini (2005). Special Relativity, a First Encounter: 100 Years Since Einstein. Oxford University Press Uk.
    Special relativity provides the foundations of our knowledge of space and time. Without it, our understanding of the world, and its place in the universe, would be unthinkable. This book gives a concise, elementary, yet exceptionally modern, introduction to special relativity. It is a gentle yet serious 'first encounter', in that it conveys a true understanding rather than purely reports the basic facts. Only very elementary mathematical knowledge is needed to master it, yet it will leave the reader with a (...)
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  22. Domenico Giulini (2008). What is Wrong with Scalar Gravity? Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 39 (1):154-180.
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  23. Jürgen Renn, Peter Damerow, Simone Rieger & Domenico Giulini (2000). Hunting the White Elephant: When and How Did Galileo Discover the Law of Fall? Science in Context 13 (3-4):299.
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