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Symmetries and invariances in classical physics
Symmetry Classical Mechanics Curie's Principle
2008/4/21
intended as invariance with respect to a transformation (more precisely, with respect to a transformation group), has acquired more and more importance in modern physics. This Chapter explores in 8 Se...
This is the table of contents and first chapter of "Symmetries in physics: philosophical reflections", edited by Katherine Brading and Elena Castellani, Cambridge University Press, 2003. As the organ...
Synopsis of the Robert and Sarah Boote Conference in Reductionism and Anti-Reductionism in Physics
Reductionism Synopsis
2008/4/21
This document is a synopsis of discussions at the workshop prepared by Nicholaos Jones and Kevin Coffey, with remarks added by by Chuang Liu, John D. Norton, John Earman, Gordon Belot, Mark Wilson, Bo...
The Dynamics of Time and Timelessness:Philosophy, Physics and Prospects for our Life
ontology physics biology consciousness
2008/4/21
We point out that physical behavior is directed by the action principle (or Hamilton principle), while biological behavior is governed
by the Bauer-principle which is directed against the action prin...
The incompleteness of extensional object languages of physics and time reversal. Part 2.
logic of physics intensional semantics for physics
2008/4/21
This continues from Part 1. It is shown how an intensional interpretation of physics object languages can be formalised, and how a syntactic compositional time reversal operator can subsequently be de...
It is pointed out that the organisation of an organism necessarily involves fields which are the
only means to make an approximately simultaneous tuning of the different subsystems of the
organism-...
The Standard Model of particle physics in other universes
Particles space-time symmetry structuralism
2008/4/21
The purpose of this paper is to demonstrate how the mathematical objects and structures associated with the particle physics in other universes, can be inferred from the mathematical objects and struc...
Theory Construction and Experimentation in High Energy Particle Physics, Circa 1960-1970.
scientific experimentation theory-ladenness of experimentation
2008/4/21
In this paper, I address the issue of to what extent the theory-dominated view of scientific experimentation describes scientific practice. I rely on a time period from the history of High Energy Phys...
Time Flow Physics: Introduction to a unified theory based on time flow.
Time flow simultaneity Lorentz symmetry
2008/4/21
This paper summarises a novel approach to constructing a unified theory of fundamental physics, which I have called 'Time Flow Physics' (TFP). It is shown how this provides a natural model which repro...
What Branching Spacetime Might Do for Physics
branching spacetime non-Hausdorff quantum gravity
2008/4/18
In recent years, the branching spacetime (BST) interpretation of quantum mechanics has come under study by a number of philosophers, physicists and mathematicians. This paper points out some implicati...
The laws of physics were not handed down from above. Neither are they rules somehow built into the structure of the universe. They are ingredients of the models that physicists invent to describe obse...
Models as a Tool for Theory Construction: Some Strategies of Preliminary Physics
Strategies of Preliminary Theory Construction
2008/4/15
Theoretical models are an important tool for many aspects of scientific activity. They are used, i.a., to structure data, to apply theories or even to construct new theories. But what exactly is a mod...
Fundamental theories are hard to come by. But even if we had them, they would be too complicated to apply. Quantum chromodynamics (QCD) is a case in point. This theory is supposed to govern all strong...
There are interesting parallels between some of McTaggart’s metaphysical views and developments from contemporary physics. Can McTaggart’s positive metaphysical views provide guidance in understanding...
Mathematical Rigor in Physics: Putting Exact Results in Their Place
rigorous results mathematical rigor condensed matter physics
2008/4/15
The present paper examines the role of exact results in the theory of many-body physics, and specifically the example of the Mermin-Wagner theorem, a rigorous result concerning the absence of phase tr...