Entropy and Its Physical Meaning

Informationen zum Autor Sydney Dugdale is Professor Emeritus in the Department of Physics, University of Leeds. Klappentext This text gives students a clear and easily understood introduction to entropy. Professor Dugdale first presents a classical and historical view of entropy, looking in detail at the scientists who developed the concept and at how they arrived at their ideas. This is followed by a statistical treatment that provides a more physical portrait of entropy, relating it to disorder and showing how physical and chemical systems tend to states of order at low temperatures. The book includes a brief account of some of the more intriguing manifestations of order in properties such as superconductivity and superfluidity. It also includes a number of exercises that can be used for both self- learning and class work. Zusammenfassung This text presents a comprehensive approach to entropy, recognizing that it is a concept often misunderstood. Beginning with an historical classical viewpoint, a statistical view then follows to give a more physical picture of entropy. Inhaltsverzeichnis Part 1 Entropy in thermodynamics: temperature and heat - some historical developments; temperature and heat - a different approach; the first law of thermodynamics; the second law of thermodynamics; entropy - how it is measured and how it is used; entropy in irreversible changes. Part 2 The statistical interpretation of entropy: the statistical approach - a specific example; general ideas and development; the definition of a microstate; temperature and entropy in statistical mechanics; applications to solids; applications to gases - 1 - the classical approximation, 2 - Bose Einstein and Fermi-Dirac gases; fluctuation and Maxwell's demon. Part 3 Entropy at low temperatures: the third law of thermodynamics; low temperatures; the third law of thermodynamics and the unattainability of absolute zero.

Autorentext
Sydney Dugdale is Professor Emeritus in the Department of Physics, University of Leeds.

Klappentext
This text gives students a clear and easily understood introduction to entropy. Professor Dugdale first presents a classical and historical view of entropy, looking in detail at the scientists who developed the concept and at how they arrived at their ideas. This is followed by a statistical treatment that provides a more physical portrait of entropy, relating it to disorder and showing how physical and chemical systems tend to states of order at low temperatures. The book includes a brief account of some of the more intriguing manifestations of order in properties such as superconductivity and superfluidity. It also includes a number of exercises that can be used for both self- learning and class work.

Zusammenfassung
This text presents a comprehensive approach to entropy, recognizing that it is a concept often misunderstood. Beginning with an historical classical viewpoint, a statistical view then follows to give a more physical picture of entropy.

Inhalt
Part 1 Entropy in thermodynamics: temperature and heat - some historical developments; temperature and heat - a different approach; the first law of thermodynamics; the second law of thermodynamics; entropy - how it is measured and how it is used; entropy in irreversible changes. Part 2 The statistical interpretation of entropy: the statistical approach - a specific example; general ideas and development; the definition of a microstate; temperature and entropy in statistical mechanics; applications to solids; applications to gases - 1 - the classical approximation, 2 - Bose Einstein and Fermi-Dirac gases; fluctuation and Maxwell's demon. Part 3 Entropy at low temperatures: the third law of thermodynamics; low temperatures; the third law of thermodynamics and the unattainability of absolute zero.

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