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The Structure of Physics

Part of the Fundamental Theories of Physics Book Series (volume 155)

DOI: 10.1007/1-4020-5235-9

ISBN: 978-1-4020-5234-7

Publisher: Springer Netherlands - Springer Journals

Jan 1, 2006

1 - 10 of 12 Chapters

Available

Introduction

von Weizsäcker, Carl Friedrich; Görnitz, Thomas; Lyre, Holger

Pages: 1 –10

[What is the truth of physics? Physics is based on experience. Theories formulate laws that apply to experience. The system of physical theories developed over the past few centuries is converging to a unified, comprehensive theory. Quantum theory is presently the closest approximation to such a...
Available

The system of theories

von Weizsäcker, Carl Friedrich; Görnitz, Thomas; Lyre, Holger

Pages: 13 –57

[The title The Unity of Physics expresses the conjecture that it might be feasible to summarize all of physics, as far as fundamental laws are concerned, in one single theory. We have divided the outline of such a reconstruction of physics into two parts. The second part will deal with the...
Available

Probability and abstract quantum theory

von Weizsäcker, Carl Friedrich; Görnitz, Thomas; Lyre, Holger

Pages: 59 –79

[This and the following section are from my essay “Probability and Quantum Mechanics” (1973). Imre Lakatos had read this work in the last years of his life, when he was a member of the Scientific Council of the Max Planck-Institute in Starnberg. He viewed it as an example of a “rational...
Available

Quantum theory and spacetime

von Weizsäcker, Carl Friedrich; Görnitz, Thomas; Lyre, Holger

Pages: 81 –104

[In the previous chapter we indicated a path to the reconstruction of abstract quantum theory, i.e., the quantum theory of arbitrary alternatives and objects, and arbitrary forces. Now our goal is the reconstruction of concrete quantum theory, i.e., the quantum theory of actually existing and...
Available

Models of particles and interaction

von Weizsäcker, Carl Friedrich; Görnitz, Thomas; Lyre, Holger

Pages: 105 –147

[We begin with a review of the system of theories. What in addition have we learned by reconstructing quantum theory and the special theory of relativity? How does the unity of physics appear to us now? What questions are there still open in physics? What questions await us beyond physics?]
Available

Cosmology and particle physics

von Weizsäcker, Carl Friedrich; Görnitz, Thomas; Lyre, Holger

Pages: 149 –178

[The last section of Chap. 5, which deals with general relativity, closes with the statement “We leave this question open and thereby the ur-theoretic description of cosmology.”]
Available

Irreversibility and entropy1

von Weizsäcker, Carl Friedrich; Görnitz, Thomas; Lyre, Holger

Pages: 181 –209

[At every instant there exists an unmistakable difference between past and future. A factual event A which I have experienced I will not with a clear mind mistake for a possible event B which I am expecting or dreading. But when later on B actually happens, then B is just as factual as A. Is...
Available

Information and evolution

von Weizsäcker, Carl Friedrich; Görnitz, Thomas; Lyre, Holger

Pages: 211 –239

[If one defines physics as one of several natural sciences, then this chapter does not belong to the reconstruction of physics. Information is a reflexive concept, pertaining to all sciences; evolution is a basic phenomenon of organic life, thus conceptually appears to belong to biology. Our...
Available

The problem of the interpretation of quantum theory

von Weizsäcker, Carl Friedrich; Görnitz, Thomas; Lyre, Holger

Pages: 243 –295

[The interpretation of physics is a philosophical task. It is a supplementary task, such as we are confronted with it. We have already indicated this in the choice of words in the titles of the first and third part of the book:“The Unity of Physics” but “On the interpretation of Physics. The...
Available

The stream of information

von Weizsäcker, Carl Friedrich; Görnitz, Thomas; Lyre, Holger

Pages: 297 –310

[Transience is a basic human experience. What was the stability of Egyptian art striving for if not the preservation of life through constantly recurring death?]

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