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David A. Lavis [3]David Lavis [3]
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David Anthony Lavis
King's College London
  1. Boltzmann, Gibbs, and the Concept of Equilibrium.David Lavis - 2008 - Philosophy of Science 75 (5):682-696.
    The Boltzmann and Gibbs approaches to statistical mechanics have very different definitions of equilibrium and entropy. The problems associated with this are discussed and it is suggested that they can be resolved, to produce a version of statistical mechanics incorporating both approaches, by redefining equilibrium not as a binary property but as a continuous property measured by the Boltzmann entropy and by introducing the idea of thermodynamic-like behaviour for the Boltzmann entropy. The Kac ring model is used as an example (...)
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  2.  10
    The Problem of Equilibrium Processes in Thermodynamics.David A. Lavis - 2018 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 62:136-144.
    It is well-known that the invocation of `equilibrium processes' in thermodynamics is oxymoronic. However, their prevalence and utility, particularly in elementary accounts, presents a problem. We consider a way in which their role can be played by sets of sequences of processes demarcated by curves carrying the property of accessibility. We also examine the vexed question of whether equilibrium processes are necessarily reversible and the revision of this property in relation to sets of sequences of such processes.
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    An Objectivist Account of Probabilities in Statistical Physics.David Lavis - 2011 - In Claus Beisbart & Stephan Hartmann (eds.), Probabilities in Physics. Oxford University Press. pp. 51.
  4.  45
    The Role of Statistical Mechanics in Classical Physics.David Lavis - 1977 - British Journal for the Philosophy of Science 28 (3):255-279.
  5.  13
    The Question of Negative Temperatures in Thermodynamics and Statistical Mechanics.David A. Lavis - forthcoming - Studies in History and Philosophy of Modern Physics.
    We show that both positive and negative absolute temperatures and monotonically increasing and decreasing entropy in adiabatic processes are consistent with Carathéodory's version of the second law and we explore the modifications of the Kelvin--Planck and Clausius versions which are needed to accommodate these possibilities.We show, in part by using the equivalence of distributions and the canonical distribution, that the correct microcanonical entropy, is the surface form rather than the bulk form thereby providing for the possibility of negative temperatures and (...)
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    The Question of Negative Temperatures in Thermodynamics and Statistical Mechanics.David A. Lavis - 2019 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 67:26-63.
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