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2 Group 63 Seminar on Magnetism Massachusetts Institute of Technology Digital Computer Laboratory Archives Collection No. 12 Donor: Division VI Document Room Restriction: MITRE Personnel Contract a19( 122) -458, Project 6889 A series of seminars on magnetism were given by Arthur L. Loeb during the academic year The seminar was divided into three categories: A. Classical Magnetism and Qualitative Discussion of the Solid State (Series 1 through mii) B. Principles of Quantum Mechanics; Qualitative Explanation of Fermi and Exchange Energies (Series XIX through XXXV) C. Review of Some Recent Fundamental Research in Magnetism (Series xxxv through Lv) A breakdown of the topics discussed during the seminar may be found in M This collection is filed numerically by series, with an Appendix containing material pertinent to the Seminar. Collection Bates: (Academic year) AC #12 contains 63 reports The reports in this collection are nclassified. December 1964

3 TABLE OF CONTENTS INTRODCTION A. Classical Magnetism and Qualitative Discussion of the Solid State (Series I Thru XVIII) 1-2 B. Principles of Quantum Mechanics, Qualitative Explanation of Fermi and Exchange Energies (Series XIX Thru m) 2-3 C. Review of Some Recent Fundamental Research in Magnetism (Series XXXV Thru LV) 3-5 Appendix i

4 ~ ~ ARCHIVES INVENTORY SBJECT IDENTIFICATIOK ATHOR M-2260 '3 Jun 53 Group 63 Seminar on Magnetism: Introduction M Oct 52 I (Electromagnetic waves and Maxwell's Equations) M Oct 52 I1 (Electromagnetic waves and Maxwell's Equations) M Oct (Electromagnetic waves and Maxwell's equations) M Oct 52 IV (Paramagnet ism) M Oct 52 V (Paramagnetism) M Oct 52 VI (Molecular field) M Oct 52 VI1 (Ferromagnetic properties) M Nov 52 VI11 (Ferromagnetic properties) M Nov 52 IX (Ferromagnetic properties) M Nov 52 X (Harmonic oscillator, including dampling force) MCF 1308A ACa 12 : Page 1 of 7

5 ARCHIVES INVENTORY SBJECT IDENTIFICATION ATHOR M Nov 52 XI (Resonance) M Nov 52 XI1 (Coupled harmonic oscillators; normal modes of motion and perturbat methods) M Nov 52 XI11 (Coupled harmonic oscillators; normal modes of motion and perturbation methods) M Dec 52 XIV (Coupled harmonic oscillators; normal modes of motion and perturbation methods) M Dec 52 XV (Structure of metals) M Dec 52 XVI (Structure of metals) M Dec 52 XVII (Structure of metals) M Dec 52 XVIII (Pauli exclusion principle and statistical methods; Fermi and exchange energies) M Dec 52 XIX (Wave nature of particles; the uncertainty principle in classical optics) MCF 1308A ACa 12 : Page 2 of 7

6 ARCHIVES INVENTORY SBJECT [DENTIFICATION ATHOR M Dec 52 XX (Schroedinger's Hypotheses: Stationary states, eigenfunction; and Orthonormality) M Dec 52 XXI (Stationary states, eigenfunction; and Orthonormality) u M Jan 53 XXII (Applications) M Jan 53 XXIII (Applications) M Jan 53 XXIV (Perturbation Theory) M Jan 53 XXV (Perturbation Theory) M Feb 53 XXVI (Degenerate States) u M Feb 53 XXVII (Radiation) M Feb 53 XXVIII (Many-electron systems; electron spin; Pauli exclusion principle) M Feb 53 XXIX (Many-electron systems; electron spin; Pauli exclusion principle) ACa 12 : Page 3 of 7

7 ~ ~ ARCHIVES INVENTORY SBJECT DENTIFICATIOb ATHOR 30PY KO. M Feb 53 Group Seminar on Magnetism, XXX (Many-electron systems; electron spin; Pauli exclusion principle) M Feb 53 XXXI (Many-electron systems; electron spin; Pauli exclusion principle) M Feb 53 XXXII (Many-electron systems; electron spin; Pauli exclusion principle; and Statistical Mechanics, collective model of magnet ism) M Feb 53 XXXIII (Statistical Mechanics; collective model of magnetism) M Feb 53 XXXIV (Statistical Mechanics ; collective model of magnetism) M Mar 53 XXXV (Statistical Mechanics; collective model of magnetism and the Zener atomistic model) M Mar 53 XXXVI (The Zener Atomistic model) MCF l308a

8 SBJECT :DENTIFICATION 1 ARCHIVES INVENTORY ATHOR - ~ M Mar 53 XXXVII (The Zener atomistic model) M Mar 53 XXXVIII (The Zener atomistic model) J. B. Goodenough M Mar 53 XXXIX (The Zener atomistic model) M Mar 53 XL (The Zener atomistic model) M Mar 53 XLI (The Zener atomistic model) M Mar 53 XLII (The Zener atomistic model; and the collective model; Hartree's self-consistant field method) P. K. Baltzer J. B. Goodenough M Mar 53 XLIII (The Zener atomistic model; and the collective model; Hartree's self-consistant field method) J. B. Goodenough M Mar 53 XLIV (The Collective model; Hartree's self-consistant field method) D. A. Buck M Mar 53 XLV (Matrix mechanics; spin operators) ACa 17 : Page 5 of 7

9 ~ ~ ARCHIVES INVENTORY SBJECT DENTIFICATION ATHOR M Apr 53 XLVI, 26 March 1953 (Aniferromagnetism and J. B. Goodenough M Apr 53 XLVII (Aniferromagnetism and M Apr 53 XLVIII (Aniferromagnetism and M Apr 53 XLIX (Aniferromagnetism and M Apr 53 L (Aniferromagnetism and M May 53 LI (Aniferromagnetism and M May 53 LII (Aniferromagnetism and M Jun 53 LIII (Aniferromagnetism and M Jun 53 LIV (Aniferromagnetism and J. B. Goodenoub P. Baltzer - MCF l308b

10 ARCHIVES INVENTORY SBJECT DENTIFICATION ATHOR M Jun 53 LV (Aniferromagnetism and MCF 1308A

11 SBJECT [DENTIFICATION - ARCHIVES INVENTORY - ATHOR ~ - COPY NO. M Nov 52 Appendix I (Maxwell's Equations) M Oct 52 Appendix I1 (Spin angular momentum, orbital angular momentum, total angular mementum, and the magnetic field component of angular momentum of an electron) u M Dec 52 Appendix I11 (Wave motion of a particle) M Jan 53 Appendix IV A Theory of Contacts Potential Measurements M Jan 53 Appendix V, Analog Between A Set of Eigenfunction and co-. ordinate Systems M Apr 53 Appendix VI, Duration of the Law of Paramagnetism in Ferrites Assuming Negative Interaction Between Sublattices. M May 53 Appendix VII, Calculation of Spontaneous Magnetization in the Region of the Curie Temperature MCF 1308A AC 12 : Page i of i