'Spin angular momentum' presentation slideshows

Total Angular Momentum

Total Angular Momentum. Orbital angular momentum. Spin angular momentum. Total angular momentum. L , L z , S , S z J and J z are quantized. Total Angular Momentum. If j and m j are quantum numbers for the single electron (hydrogen atom) Quantization of the magnitudes

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E 1 0 0 0 0 . . . H = 0 E 2 0 0 0 . . .

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Erasure of information under conservation laws

Erasure of information under conservation laws. Joan Vaccaro Centre for Quantum Dynamics Griffith University Brisbane, Australia Steve Barnett SUPA University of Strathclyde Glasgow, UK. Context. Landauer erasure. Landauer, IBM J. Res. Develop. 5 , 183 (1961). Erasure is irreversible.

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Announcements

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Chapter 43

Chapter 43. Nuclear Physics. Goals for Chapter 43. To understand some key properties of nuclei To see how nuclear binding energy depends on the number of protons and neutrons To investigate radioactive decay To learn about hazards and medical uses of radiation To analyze nuclear reactions

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Lecture 13 Space quantization and spin

Lecture 13 Space quantization and spin.

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Lectures 10-11: Multi-electron atoms

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Spin and Magnetic Moments (skip sect. 10-3)

Spin and Magnetic Moments (skip sect. 10-3). Orbital and intrinsic (spin) angular momentum produce magnetic moments coupling between moments shift atomic energies Look first at orbital (think of current in a loop)

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Angular Momentum

Angular Momentum. Dynamic Applications of Torque. When dealing with systems that have both rotating parts and translating parts, we must be careful to account for all forces and torques correctly and to keep the signs straight. Angular Momentum.

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Multielectron Atoms

Multielectron Atoms. The quantum mechanics approach for treating multielectrom atoms is one of successive approximations The first approximation is to treat each electron as moving independently and assume it moves in a spherically symmetric Coulomb potential

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Photo Orbital Angular Momentum in Astrophysics

Photo Orbital Angular Momentum in Astrophysics. (By Martin Harwit ApJ, 2003, Vol. 597, 1266) ??? ??????????. Contents. Introduction Multipole Fields Astronomical Instrumentation to Measure POAM Astrophysical Applications Conclusion. Dove-PrismMach-Zehnder Interferometers

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Addition of Angular Momentum

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PH 401

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Spin and Magnetic Moments

Spin and Magnetic Moments. Orbital and intrinsic (spin) angular momentum produce magnetic moments coupling between moments shift atomic energies Look first at orbital (think of current in a loop)

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Electron Spin as a Probe for Structure

Electron Spin as a Probe for Structure. Spin angular momentum interacts with external magnetic fields g e b e HS e and nuclear spins I m Hyperfine Interaction + a I m S e. Hamiltonian = g e b e S e H ? g N b N I m H + aI m S e. Energy of electron in external Magnetic field H.

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Ag: 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 4d 10 5s 1

S. Ag. Non uniform B-field. oven. N. magnet. screen. 1.2 Stern-Gerlach experiment. Neutral silver atoms pass through a region of inhomogeneous magnetic field Why silver? Why neutral? Why an inhomogeneous field? Found two locations where the silver atoms ended up Why is this odd?.

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Precession, Falling Cats, and The Intermediate Axis (of evil?)

Precession, Falling Cats, and The Intermediate Axis (of evil?). No matter how hard you try to teach your cat general relativity, you're going to fail. Brian Greene Physicist (String Theory), Columbia University.

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