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Description
Elementary Theory of Angular MomentumA crucial element in the development of physical theories of nuclear and atomic structure, the theory of angular momentum can be applied with great effect to the formulation and solution of problems associated with the static magnetic and electric nuclear moments which are coupled to the electric and magnetic fields arising from surrounding charges. The theory relates to a variety of physical problems including those associated with low temperature
A crucial element in the development of physical theories of nuclear and atomic structure, the theory of angular momentum can be applied with great effect to the formulation and solution of problems associated with the static magnetic and electric nuclear moments which are coupled to the electric and magnetic fields arising from surrounding charges. The theory relates to a variety of physical problems including those associated with low-temperature studies and microwave spectroscopy.This high-level treatment, based on a series of lectures the author gave at Oak Ridge National Laboratory, offers clear discussions of the general theory and its applications. Beginning with basic principles, the development is carried through the introduction of coupling coefficients for vector addition, the transformation properties of the angular momentum wave functions under rotations of the coordinate axes, irreducible tensors and Racah coefficients. Applications include static moments of systems composed schemes in nuclear reactions and more. In this volume, the author has attempted to achieve simplification by concerning himself only with the properties of rotations because of their intimate connection with the concept of angular momentum. In addition, the reasoning is inductive, and, as the theory initially develops, it makes a "smooth-join" with those aspects of quantum mechanics that are, comparatively speaking, common knowledge. A graduate-level knowledge of quantum mechanics is helpful for gaining maximum benefit from this highly regarded study.
Binding Type: Paperback
Publisher: Dover Publications
Published: 11/02/2011
ISBN: 9780486684802
Pages: 272
Weight: 0.61lbs
Size: 8.46h x 5.44w x 0.54d
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4.0 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 4
This was a Good gift for the right person
Format: Paperback
My nephew wanted a similar book- this had better reviews and I heard about lots of things that he’d done with this book. Glad I got it
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Reviewed in the United States on April 27, 2025
★★★★★ 5
From the creator of the Godot Recipes site!
Format: Paperback
Absolutely loved this, takes you through building 5 different games from start to finish, and explains not only how to do things, but it also explains the why! Throughout the course of making these 5 games, you also get introduced to many of the Nodes within Godot, explanations on how they are used, and gives you some experience using them! Feels good to add more tools into your toolkit as you become more familiar and comfortable using more Nodes.
Even though this book is not intended for beginners, I would still recommend this book. It comes with a link where you can download example files and get going with minimal effort, however to get the most out of the book I would try to recreate stuff yourself.
I found it very useful for easing myself into trying out 3D development. I've been doing 2D for years, and am currently developing a 2D game in Godot, once I complete that I'll be diving headfirst into 3D and this book gave me a lot of insight, and I feel much better about the whole process.
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Reviewed in the United States on August 12, 2023
★★★★★ 5
Just what a gamer needs!
Format: Paperback
Perfect gift for my son!
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Reviewed in the United States on May 26, 2015
★★★★★ 2
would have been better as a blog
Format: Paperback
First off, I have read over half of this book, but ultimately decided to put it down because it had a low signal-to-noise ratio. If the second half is filled with magic, I apologize in advance.
What I liked:
* The author is very honest. He does not shy away from discussing his failures (and successes).
* The postmortem on the game "Life of Pixel" was especially good.
* Interviews from various indie studios are sprinkled throughout.
What I did not like:
* A number of pieces of information were already out-of-date. This makes me think that the concepts should have been discussed at a higher level. For example, specifics about game engine costs are discussed. These numbers have changed since E3 of this year. Definitely recheck any information before formulating a plan based on the book's recommendations.
* The indie studio interviews are a wasted opportunity in that they each interview has the same set of questions. It's like a questionnaire was sent out via email and the responses were pasted into the book.
* When discussing commercial options, such as engines or other software packages, blurbs once again appear to be cut-and-pasted (this time verbatim from the package's web site).
* Some of the advice is too broad and too light. For example, when writing about how to create a press release, the author discuss how to write in the active voice. I'm frankly not looking for writing tips in my Indie Game Developer Handbook.
* The book is filled with tons of web links. My paperback copy was not so useful here.
I ultimately left the book with the impression that the information would have been much better in the form of a blog. The author could have really gone in depth with the parts of the book that shined while keeping the surveys of topics in a form that serves them better (i.e. web links on the web).
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Reviewed in the United States on April 28, 2015
★★★★★ 5
Helpful information and Questions to consider
Format: Paperback
As a writer of science fiction and fantasy I had already looked into the physical aspects of the worlds I was creating, but I quickly realized I needed to include society and culture in the worldbuilding. I started a search for information, questionairres, or guidelines to use and found very little that would be helpful to me as a writer. Until I came across this book. It's exactly what I needed. It touches on multiple aspects of beliefs and practices and asks questions to help you think through what you want for your worlds, even if it's mostly backgroud. A very useful tool.
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Reviewed in the United States on May 26, 2024