Download A Farewell To Entropy by Arieh Ben-Naim PDF

By Arieh Ben-Naim

The primary message of this publication is that thermodynamics and statistical mechanics will take advantage of changing the unlucky, deceptive and mysterious time period "entropy" with a extra usual, significant and acceptable time period corresponding to details, lacking details or uncertainty. This substitute may facilitate the translation of the "driving strength" of many procedures when it comes to informational adjustments and dispel the secret that has continuously enshrouded entropy.

it's been a hundred and forty years considering Clausius coined the time period "entropy"; virtually 50 years due to the fact Shannon built the mathematical conception of "information" -- as a consequence renamed "entropy". during this e-book, the writer advocates exchanging "entropy" by means of "information", a time period that has develop into everyday in lots of branches of technological know-how.

the writer additionally takes a brand new and ambitious method of thermodynamics and statistical mechanics. info is used not just as a device for predicting distributions yet because the primary cornerstone thought of thermodynamics, held formerly by means of the time period "entropy".

the themes coated contain the basics of likelihood and data concept; the overall idea of knowledge in addition to the actual inspiration of knowledge as utilized in thermodynamics; the re-derivation of the Sackur-Tetrode equation for the entropy of an awesome fuel from in basic terms informational arguments; the elemental formalism of statistical mechanics; and plenty of examples of straightforward strategies the "driving strength" for that is analyzed when it comes to details.

Readership: a person attracted to the sciences, scholars, researchers; in addition to the layman.

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Extra info for A Farewell To Entropy

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These works established both the existence and the form of the equilibrium velocity distribution of the molecules in the gas, known today as the Maxwell–Boltzmann distribution. This distribution established the connection between the average kinetic energy of the molecules with the absolute temperature. During the late 19th and the early 20th centuries, the molecular interpretation of the entropy was developed by Ludwig Boltzmann and by Josiah Willard Gibbs. At that time, the molecular theory of matter was far from being universally accepted.

Nothing further is needed to show that the irreversible process neither implies one-way time, nor has any other temporal implications. ” This is an almost prophetic statement made eighteen years before information theory was born. Lewis’ statement left no doubt that he considered entropy as conceptually identical with information. Note however that Lewis claims that entropy is a subjective concept. This is probably a result of his usage of the general concept of information and not the specific measure of information as defined by Shannon.

1981), “How subjective is entropy,” Chemistry in Britain 17, 168–185. ” In my view, the question of “whose information is being referred to” is not relevant to the quantity H, as defined by Shannon. Regarding the second question: Wherever the number of boxes (or the number of states of a thermodynamic system) “resides,” there resides also the quantity H. Again, this question of the residency of H is irrelevant to the meaning of H. Before ending this section on entropy and information, I should mention a nagging problem that has hindered the acceptance of the interpretation of entropy as information.

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