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BACK-OF-THE-ENVELOPE QUANTUM MECHANICS: WITH EXTENSIONS

Physics

Mathematics & Science

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B2B GT

CL Carton Count

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B2B & B2C

Dimensional and order-of-magnitude estimates are practiced by almost everybody but taught almost nowhere. When physics students engage in their first theoretical research project, they soon learn that exactly solvable problems belong only to textbooks, that numerical models are long and resource consuming, and that something else is needed to quickly gain insight into the system they are going to study. Qualitative methods are this something else, but typically, students have never heard of them before.The aim of this book is to teach the craft of qualitative analysis using a set of problems, some with solutions and some without, in advanced undergraduate and beginning graduate Quantum Mechanics. Examples include a dimensional analysis solution for the spectrum of a quartic oscillator, simple WKB formulas for the matrix elements of a coordinate in a gravitational well, and a three-line-long estimate for the ionization energy of atoms uniformly valid across the whole periodic table.

Back-Of-The-Envelope Quantum Mechanics

POST SECONDARY FOUR YEAR

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COLJR

COLSO

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Front Cover.
Half Title Page.
Title Page.
Copyright Page.
Dedication.
Preface.
Contents.
Some Notations.
1: Ground State Energy of a Hybrid Harmonic-Quartic Oscillator: A Case Study.
2: Bohr-Sommerfeld Quantization.
3: &#x201C;Halved&#x201D; Harmonic Oscillator: A Case Study.
4: Semi-Classical Matrix Elements of Observables and Perturbation Theory.
5: Variational Problems.
6: Gravitational Well: A Case Study.
7: Miscellaneous.
8: The Hellmann-Feynman Theorem.
9: Local Density Approximation Theories.
10: Integrable Partial Differential Equations.
Further Reading.
Subject Index.
Author Index.

Back-Of-The-Envelope Quantum Mechanics.css-1p8rvzy{position:absolute;padding-left:8px;}

Back-Of-The-Envelope Quantum Mechanics