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Fortran Programs for the Calculation of Wigner 3j, 6j, and 9j Coefficients for Angular Momenta <= 80 (Classic Reprint) - Softcover
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Compute Wigner 3j, 6j, and 9j coefficients with Fortran programs designed for angular momenta up to 80.
This reference presents Fortran II and Fortran IV programs that calculate these coefficients. It explains how large factorials are handled by using logarithms and how the alternating series are summed in double precision. The material covers two program versions: Version I emphasizes speed and lower memory use, while Version II offers higher accuracy with deeper internal precision.
- Learn how the methods produce 3j, 6j, and 9j values across a wide range of inputs
- Understand the tradeoffs between speed, memory use, and numerical accuracy
- See sample input structures, program listings, and testing approaches
- Discover how single- and double-precision implementations compare in practice
Ideal for readers who work with quantum angular momentum calculations and want practical, reusable Fortran tools.
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Fortran Programs for the Calculation of Wigner 3j, 6j (Classic Reprint)
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Paperback. Zustand: New. Print on Demand. This book explores the mathematical problem of calculating the '6j' and '9j' coefficients in angular momentum coupling. In quantum mechanics, these coefficients are essential for understanding the behaviour of coupled angular momentum systems, found in atomic and nuclear physics, and in molecular spectroscopy. The methods for calculating these coefficients are explored in detail, along with their orthonormality relations for testing the accuracy of the calculations. The book also provides the Fortran programs and calling sequences for calculating these coefficients, making it a practical guide for scientists working on problems involving angular momentum coupling. The depth and clarity of the explanations will also benefit scholars and students with an interest in theoretical quantum mechanics. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781527917491_0
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FORTRAN Programs for the Calculation of Wigner 3j, 6j, and 9j Coefficients for Angular Momenta
Anbieter: PBShop.store US, Wood Dale, IL, USA
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PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LX-9781527917491
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FORTRAN Programs for the Calculation of Wigner 3j, 6j, and 9j Coefficients for Angular Momenta
Anbieter: PBShop.store UK, Fairford, GLOS, Vereinigtes Königreich
Verkäuferbewertung 5 von 5 Sternen
PAP. Zustand: New. New Book. Shipped from UK. Established seller since 2000. Bestandsnummer des Verkäufers LX-9781527917491
Neu kaufen
EUR 25,19
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