Browsing Project Whirlwind by Creator "Loeb, Arthur L."

Now showing items 1-20 of 66

    • Ad Hoc Conference on FeNi₃ 

      Buck, Dudley A.; Goodenough, John B.; Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-03-25)
      The undersigned continued the discussion on FeNi₃ initiated by Dudley Buck at the seminar on magnetism, the meaning of order-disorder and entropy were examined. Hysteresis loops, saturation magnetization and Curie point ...

    • An Analytical Review of Neel's Molecular Field Theory of Ferri- and Antiferromagnetism 

      Loeb, Arthur L. (Lincoln Laboratory - Division 6, 1953-09-16)
      Neel's molecular field model of ferrimagnetism is reviewed and it is shown how the magnetization below the Curie point can be calculated as a function of temperature using susceptibility data obtained above the Curie ...

    • Conference on Thin Evaporated Metal Films 

      Loeb, Arthur L. (MIT Digital Computer Laboratory, 1952-10-06)
      A meeting was held by representative of Group 63, Project Whirlwind, Group 35, Project Lincoln and the Chemistry Department to coordinate research on thin metal films. M. I. T. appears to have all the facilities for the ...

    • A Free Energy Model For The Hysteresis Loop 

      Loeb, Arthur L. (MIT Digital Computer Laboratory, 1953-06-16)
      The free energy of magnetization is expressed as a fourth degree polynomial in the magnetization with a linear term due to an external field and quadratic and quartic terms due to Fermi, exchange, magnetostatic, etc., ...

    • Group 63 Seminar on Magnetism V 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-10-28)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include Langevin's theory of paramagnetism and some general paramagnetic properties.

    • Group 63 Seminar on Magnetism VI 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-10-27)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include Langevin's theory of paramagnetism, the Curie-Weiss Law, and exchange interactions.

    • Group 63 Seminar on Magnetism VII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-10-27)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include Weiss' notion of the internal field, magnetic domains, domain theory, domain growth, and domain rotation.

    • Group 63 Seminar on Magnetism VIII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-11-03)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include heat effects, domain energies, and preferred directions of magnetization.

    • Group 63 Seminar on Magnetism XI 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-11-13)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include how the damped linear harmonic oscillator may be used to explain the properties of a dielectric when subjected to electromagnetic radiation.

    • Group 63 Seminar on Magnetism XII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-11-14)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include the lag in the magnetization change of a substance when the polarity of a magnetic field is applied to a ferromagnetic material, a coupled harmonic ...

    • Group 63 Seminar on Magnetism XIII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-11-17)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include the equations of motion for a system of two coupled oscillators, and unperturbed systems.

    • Group 63 Seminar on Magnetism XVIII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-12-24)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include the Pauli Exclusions Principle, magnetism, and quantum mechanics.

    • Group 63 Seminar on Magnetism XXIV 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-01-19)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include the square potential well problem, atomic behavior, potential fields, perturbed systems, and time-independent perturbation theory.

    • Group 63 Seminar on Magnetism XXVII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-02-04)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include quantum mechanics, radiation, time-dependent perturbations, and transition probability.

    • Group 63 Seminar on Magnetism XXVIII 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-02-05)
      This memo is a summary of a Group 63 seminar on magnetism. Topics include quantum mechanics, perturbation methods, perturbed systems, and spin coordinates.

    • Group 63 Seminar on Magnetism, Appendix I 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-11-12)
      Appendix to a memo for a Group 63 seminar on magnetism. Topics include Eddy currents, Maxwell's equation, laminations as electrical insulation.

    • Group 63 Seminar on Magnetism, Appendix II 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-10-28)
      Appendix to a memo for a Group 63 seminar on magnetism. Topics include spin angular momentum, orbital angular momentum, total angular momentum, and the magnetic field component of angular momentum of an electron.

    • Group 63 Seminar on Magnetism, Appendix III 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1952-12-11)
      Appendix to a memo for a Group 63 seminar on magnetism. Topics include the wave motion associated with particle motion, De Broglie's postulate, and Davisson and Germer's confirmation.

    • Group 63 Seminar on Magnetism, Appendix IV, A Theory of Contact Potential Measurements 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-01-14)
      Appendix to a memo for a Group 63 seminar on magnetism. Topics include contact potential and a theory of contact potential measurements.

    • Group 63 Seminar on Magnetism, Appendix V, Analogy Between a Set of Eigenfunctions and Coordinate Systems 

      Loeb, Arthur L.; Menyuk, Norman (MIT Digital Computer Laboratory, 1953-01-21)
      Appendix to a memo for a Group 63 seminar on magnetism. Topics include an analogy between a set of eigenfunctions and coordinate systems, and matrix mechanics.