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A Modern Approach to Quantum Mechanics Hardcover – February 24, 2012

ISBN-13: 978-1891389788 ISBN-10: 1891389785 Edition: 2nd

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Product Details

  • Hardcover: 571 pages
  • Publisher: Univ Science Books; 2 edition (February 24, 2012)
  • Language: English
  • ISBN-10: 1891389785
  • ISBN-13: 978-1891389788
  • Product Dimensions: 10.2 x 7.8 x 1.2 inches
  • Shipping Weight: 2.6 pounds (View shipping rates and policies)
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (10 customer reviews)
  • Amazon Best Sellers Rank: #192,467 in Books (See Top 100 in Books)

Editorial Reviews

Review

'With this second edition, Townsend has succeeded in making a clear and pedagogical textbook on undergraduate quantum mechanics even better.' --- Charles Gale, McGill University, Canada

'The second edition of Townsend's book has added some very nice new features. New sections on contemporary topics and newly added worked examples have further increased my satisfaction with the book.' --- Randall Feenstra, Carnegie Mellon University, USA

About the Author

JOHN S. TOWNSEND, Susan and Bruce Worster Professor of Physics at Harvey Mudd College, the science and engineering college of the Claremont Colleges, USA. He received his BS from Duke University, his PhD from Johns Hopkins University, USA, and was a National Science Foundation Graduate Fellow. He has been a visiting professor at Caltech, the University of Southampton in England, Duke University and Swarthmore College, and he was a Science Fellow at the Center for International Security and Arms Control at Stanford University, USA. Townsend is also the author of Quantum Physics: A Fundamental Approach to Modern Physics.

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Customer Reviews

4.7 out of 5 stars
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The book is very clear and a bit wordy, but in a good way.
Yantao Wu
As a graduate student preparing for a PhD entrance exam, this is the most helpful quantum mechanics book I have found.
Ryan Rawl
Honestly this is the only reason I chose to buy from the online store I did.
MuckrakerW

Most Helpful Customer Reviews

20 of 24 people found the following review helpful By JOHN DELL on November 9, 2012
Format: Hardcover Verified Purchase
Finally a text book that starts with 2-State Systems! I have been teaching quantum mechanics off and on for 25 years to gifted high school students. I have experience using many other quantum texts. In John Townsend's latest edition, we finally have an excellent modern textbook that makes the mathematical and physical learning curve as gentle as possible WITHOUT CUTTING CORNERS ON THE PHYSICS. Prof. Townsend's treatment (developed over a sequence of refinements in his approach in previous texts = battle tested) enables students to engage the fundamentals of quantum mechanics and many of its emerging applications that rely on understanding few-state and composite systems. The approach is preferable to more traditional approaches because it climbs the mathematical hill starting from the gentlest point, avoiding mathematical issues and levels of abstraction that arise from infinite dimensionality in quantum systems until after basic physical principles have been introduced. The early use of Dirac notation and the clear separation of state space and matrix representations add considerable clarity for the beginning student. Townsend's approach moves students as quickly as possible to the point that they can honestly engage the fundamentals of forefront applications in quantum information , quantum computing, quantum teleportation, and other fundamental developing applications. Unlike some older texts, Townsend engages the 'spookiest' parts of quantum mechanics ( EPR, BELL Inequalities, GHZ states...) early. For this alone, he deserves extra credit! It is terribly important that physics students develop an understanding and intuition for quantum mechanics as early in life as possible and they can only do this by engaging the conceptually challenging aspects head-on but in the technically simplest context. Prof Townsend has found the sweet spot. This is THE best existing gateway text I have seen for serious physics students.
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6 of 6 people found the following review helpful By Ryan Rawl on July 15, 2013
Format: Hardcover Verified Purchase
As a graduate student preparing for a PhD entrance exam, this is the most helpful quantum mechanics book I have found. Spending 1 week reading this covered more bra-ket notation and perturbation theory than 3 semesters of undergraduate quantum at 2 different schools. Great for self teaching and wish my course had used this book instead of Griffith.
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8 of 9 people found the following review helpful By Basso on July 6, 2012
Format: Hardcover Verified Purchase
After reading and completing all the problems in the 4 chapters of this book, the concept of spin really clicked for me. That's really important for understanding relativistic QM, and the problems were challenging and rewarding. I would say the book focuses on a matrix operator approach to QM, and in Ch 6 then transitions into position-space wave functions. Great book overall.
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1 of 1 people found the following review helpful By MuckrakerW on June 30, 2014
Format: Hardcover
Unfortunately I did not buy this great book from amazon.com. Why? Because I got a discount with a coupon that took off $5.00, dropping the price slightly lower than sold at Amazon. Honestly this is the only reason I chose to buy from the online store I did.

However the book is the best book on the market for learning quantum mechanics so long as you have studied J.S.Townsend's book, 'A Fundamental Approach to Modern Physics'. If so, then this recent revised book, © 2012 edition, which is a remake from his 2000 edition on quantum mechanics, in hindsight should pose little difficulty.

Ironically, Townsend does not provide much in the way of Dirac notation in his book on modern physics, which if you do not know anything about 'kets & bras' things might become a bit daunting. Nevertheless, professor Tisdell at youtube can straighten all this out. Here is the link: http://www.youtube.com/watch?v=pBh7Xqbh5JQ&list=PLyYBj8ERjCOYqg_d6H74DV47V2DsQknz0 | Once you have studied professor Tisdell's basic course on Dirac notation you should be able to fully grasp what is going on in Townsend's book.

I would recommend this book to anyone interested in quantum mechanics. Either as a supplement or as a primary textbook for class or home study. Makes no difference which it is, I believe professor Townsend did not realize how well he wrote his two recent books. Meaning in truth you can learn quantum mechanics on your own. But you need some prerequisites, like calculus, classical physics and philosophy with a little logic thrown in. Furthermore the greatest asset to this © 2012 edition is the
examples-solution's approach which makes the study of this type of complicated abstract subject so intimidating otherwise.
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2 of 2 people found the following review helpful By Tonima Tasnim Ananna on February 23, 2013
Format: Hardcover Verified Purchase
read both Townsend's fundamental approach and modern approach and this makes quantum so accessible. The problems at the end of each chapter also clarifies the concepts perfectly.
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