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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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★★★★★ 5
Works good
Size: B 1PCS, Color: Black
I purchased one other one that was a lot more expensive than this one and I do love this one. It works great.
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Space saver
Size: A 1PCS, Color: Black, Size: A 1PCS, Color: Black
Fits perfect by my sink. All my items worked in there. The only thing is I had to use zip ties to hold bar on for hanging my dishcloth.
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Reviewed in the United States on May 26, 2026
★★★★★ 5
Great Design, Great Value
Color: Silver, Color: Silver
Sturdy, simple & well designed. It’s crafted with practicality in mind. The paper towel rod is accented with a circle ring on the top that makes it easy to lift and move around. It’s a very hassle free design and one that motivated me select it over the other options & I’m glad I did. I’m very happy with my purchase.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Good buy!!
Color: Silver
Very nice well balanced paper towel holder. I have three honorary grandkids that come over and they always struggle with the roll of paper towels. This has made it a lot neater and easier to work with for them. Good quality and attractive.
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Reviewed in the United States on March 25, 2026
★★★★★ 5
THIS is the BEST holder--who knew there were better ones?
Color: Black
THIS ONE IS PERFECT. This holder is the simplest design and works so well. You just slide the paper towels over the ring, use the ring to move from spot to spot, and the base edges are perfectly smooth. THIS was well thought-out. Bravo. I already sent back a couple of these paper towels holders--but this one is the right one! You wouldn't think that some of them would be constructed with sharp edges or would have no way to move the holder around, but many are not constructed poorly. One had such sharp edges on the base I knew I'd cut myself. So this one is the one for a safe, simple, elegant, easy use. We got ours in black to match our kitchen--perfect.
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Reviewed in the United States on February 1, 2026