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Practicing the Correspondence Principle in the Old Quantum Theory - A Transformation through Implementation (Hardcover, 1st ed.... Practicing the Correspondence Principle in the Old Quantum Theory - A Transformation through Implementation (Hardcover, 1st ed. 2019)
Martin Jahnert
R3,528 Discovery Miles 35 280 Ships in 12 - 17 working days

This book presents a history of the correspondence principle from a new perspective. The author provides a unique exploration of the relation between the practice of theory and conceptual development in physics. In the process, he argues for a new understanding of the history of the old quantum theory and the emergence of quantum mechanics. The analysis looks at how the correspondence principle was disseminated and how the principle was applied as a research tool during the 1920s. It provides new insights into the interaction between theoretical tools and scientific problems and shows that the use of this theoretical tool changed the tool itself in a process of transformation through implementation. This process, the author claims, was responsible for the conceptual development of the correspondence principle. This monograph connects to the vast literature in the history of science, which analyzed theoretical practices as based on tacit knowledge, skills, and calculation techniques. It contributes to the historical understanding of quantum physics and the emergence of quantum mechanics. Studying how physicists used a set of tools to solve problems, the author spells out the skillful guessing" that went into the making of quantum theoretical arguments and argues that the integration and implementation of technical resources was a central driving force for the conceptual and theoretical transformation in the old quantum theory.

Practicing the Correspondence Principle in the Old Quantum Theory - A Transformation through Implementation (Paperback, 1st ed.... Practicing the Correspondence Principle in the Old Quantum Theory - A Transformation through Implementation (Paperback, 1st ed. 2019)
Martin Jahnert
R3,323 Discovery Miles 33 230 Out of stock

This book presents a history of the correspondence principle from a new perspective. The author provides a unique exploration of the relation between the practice of theory and conceptual development in physics. In the process, he argues for a new understanding of the history of the old quantum theory and the emergence of quantum mechanics. The analysis looks at how the correspondence principle was disseminated and how the principle was applied as a research tool during the 1920s. It provides new insights into the interaction between theoretical tools and scientific problems and shows that the use of this theoretical tool changed the tool itself in a process of transformation through implementation. This process, the author claims, was responsible for the conceptual development of the correspondence principle. This monograph connects to the vast literature in the history of science, which analyzed theoretical practices as based on tacit knowledge, skills, and calculation techniques. It contributes to the historical understanding of quantum physics and the emergence of quantum mechanics. Studying how physicists used a set of tools to solve problems, the author spells out the skillful guessing" that went into the making of quantum theoretical arguments and argues that the integration and implementation of technical resources was a central driving force for the conceptual and theoretical transformation in the old quantum theory.

How 'they' conquered England (Paperback): Martin Jahnert How 'they' conquered England (Paperback)
Martin Jahnert
R399 Discovery Miles 3 990 Out of stock

Seminar paper from the year 2008 in the subject English Language and Literature Studies - Linguistics, grade: 1,3, University of Potsdam (Institut fur Anglistik und Amerikanistik), course: Introduction to Middle English, 24 entries in the bibliography, language: English, abstract: The "Modularbeit" is concerned with questions of language contact between Old Norse and Old English in the region later "Danelaw," which might have influenced the modification of Old English third person plural pronomina with base "h" into a new form with the base "th," as we still know it today: "they, them, their." Walking through the streets of York several years ago, I was welcomed by a fierce-looking crowd of Vikings running towards me. In my case, though, the horde was just a group of actors commemorating regional history. At the end of the 8th century, Scandinavian Viking armies conquered different territories in Europe. England was attacked by Danish Vikings starting in the 780s . After several years of mere raiding, 851 marked their first stay during winter. The Danish conquests developed into a permanent settlement in some parts of England and finally led to a treaty signed in 886 between a Danish leader and the king of Wessex, then central power of England. The treaty acknowledged the Danish rule over Northeast England, the territory later being called Danelaw . The Danish influence ceased until 954, but linguistic evidence of this contact with the Danes remains incorporated even in Modern English . One remarkable feature of this evidence is the English system of the third-person plural personal pronouns they, them, and their, whose development shall be examined more closely in this paper. In Modern English, 'they' plays an important role. On one hand, it can be used as a generic synonym for 'people', often leading to an imprecise definition of who "they" actually are. On the other hand, it has served as a common-gender substitution for the masculine third-person singular pro

Idees et visiteurs - Le surnaturel des apparitions dans le "Heimweg" de Harald Martenstein - Besucher und andere ubernaturliche... Idees et visiteurs - Le surnaturel des apparitions dans le "Heimweg" de Harald Martenstein - Besucher und andere ubernaturliche Erscheinungen in Harald Martensteins "Heimweg" (French, Paperback)
Martin Jahnert
R278 Discovery Miles 2 780 Out of stock

Seminar paper de l'annee 2007 dans le domaine Philologie Allemande - Litterature Comparee, note: 1,3, Vrije Universiteit Brussel (Philosophie et Lettres), cours: Litteratures romanes comparees, 3 sources bibliographiques, langue: Francais, notes: Diese Arbeit habe ich an der ULB erstellt, daher franzosischsprachig. Sie kann dadurch hoffentlich gerade Studierenden mit franzosischer Muttersprache beim Erschliessen dieses hervorragenden Werkes des bekannten ZEIT-Kolumnisten Martenstein weiterhelfen. Der Prof kritisierte das Fehlen eines Handlungsuberblicks, durch den ich ihn zur Lekture anregen wollte. Deshalb die Abwertung. Gelobt wurde v.a. die ansonsten klare Gliederung und die Sprache. Viel Erfolg , resume: Par ce travail, je voulais comprendre et expliquer le role du surnaturel chez un auteur contemporain tres connu en Allemagne, apres avoir suivi un cours sur l'influence du surnaturel dans d'autres litteratures europeennes, a travers d'autres epoques. Harald Martensteins "Heimweg" vient d'apparaitre et a directement recu beaucoup d'attention grace a son statut comme journaliste, mais aussi grace a son editeur Bertelsmann, qui possede un grand pouvoir mediatique. J'espere avoir trouve un bon sujet afin de rendre possible une approche d'une uvre allemande pour des lecteurs francophones. Ce qui a retenu mon interet au moment de choisir ce recit fut la presence massive de surnaturel dans cette uvre, resultant de la non-disparition des morts - sous quelques circonstances, quand meme. J'avais compris que les figures qui etaient tuees resteraient dans le monde, connues par leurs assassins; qu'elles devenaient en effet des fantomes. Cependant, pendant mes recherches, j'ai compris qu'il s'agit d'un autre systeme: une personne qui meurt reste "vivante," existe comme idee, a condition que quelqu'un se rappelle de cette personne. Je veux demontrer comment ce systeme est construit et comment Martenstein joue avec le lecteur, en demontrant aussi les "idees" presen

Anne de Bretagne und der Abschluss des Nationalen Werdens in Frankreich - Die Vereinigung Frankreichs mit der Bretagne (German,... Anne de Bretagne und der Abschluss des Nationalen Werdens in Frankreich - Die Vereinigung Frankreichs mit der Bretagne (German, Paperback)
Martin Jahnert
R532 R380 Discovery Miles 3 800 Save R152 (29%) Out of stock

Studienarbeit aus dem Jahr 2007 im Fachbereich Romanistik - Franzosisch - Landeskunde / Kultur, Note: 1,3, Universitat Potsdam (Institut fur Romanistik), Veranstaltung: Nationales Werden in Romanischen Landern, 27 Quellen im Literaturverzeichnis, Sprache: Deutsch, Anmerkungen: Die Arbeit wurde vom Dozenten als sehr fundiert und fachlich wie sachlich richtig gelobt. Dabei hob er den logischen Aufbau und das umfassende Literaturverzeichnis hervor. Die Schwache, die zur Abwertung gefuhrt hat, war das "in meinen Augen" auf Seite 14. An dieser HA habe ich 9 Monate gearbeitet, ich hoffe, sie wird euch erhellen. Viel Erfolg , Abstract: In meiner Generation und meinem gesellschaftlichen Umfeld wird seit dem Vertrag von Maastricht auf die Eigenstandigkeit der einzelnen Regionen grosser Wert gelegt. Die romanischen Nationalstaaten geben einen Teil ihrer lange zuvor erhaltenen Hoheitsrechte zum Einen an die Europaische Union, zum Anderen aber auch dem Subsidiaritatsprinzip an die Regionen ab. Uber die Entstehung der romanischen Nationalstaaten wurde in der Vorlesung "Nationales Werden in Romanischen Landern" von Herrn Dr. Udo Scholze detailliert berichtet und ich mochte in dieser Arbeit das Beispiel der Bretagne noch einmal naher bearbeiten. Ende des 15. Jahrhunderts ist die Bretagne das letzte von der franzosischen Krone unabhangige Furstentum auf dem Gebiet des heutigen Frankreich. Seit Generationen Gegenstand harter Auseinandersetzungen zwischen verschiedenen Adelslinien besonders im franzosisch-englischen Machtkampf, erzwingt Frankreich Ende des 15. und Anfang des 16. Jahrhunderts schliesslich die Vereinigung des Herzogtums Bretagne mit dem Konigreich Frankreich. Dies ist ein wichtiger Schritt zur nationalen Einheit und Sicherheit Frankreichs, denn uber das Vergrossern des Wirtschaftsraumes hinaus wird hierdurch eine Westgrenze mit einem feindlichen Staat und Herrscherhaus unmoglich gemacht und somit die Sicherung gegen andere europaische Machte stark verbessert. Ei

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