27 episodes

Thermal and Statistical Physics Purdue University Phys 416

Thermal and Statistical Physics Prof. Carlson

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Thermal and Statistical Physics Purdue University Phys 416

    Lecture 4: Partition Function and Thermodynamic Identity

    Lecture 4: Partition Function and Thermodynamic Identity

    Boltzmann Factor, Partition Function and how to calculate everything else from it. Live near lakes because they have a high heat capacity. Energy and Heat Capacity of a two state system, Definition of a reversible process, Definition of pressure, The Thermodynamic Identity, Thermodynamically Conjugate variables. Digressions: Is toasting bread a reversible process? Do microwaves get water hotter than other heating methods? Lecture 4 Audio

    Lecture 5: Free Energy and Maxwell Relations

    Lecture 5: Free Energy and Maxwell Relations

    Helmholtz Free Energy is the right energy to use when temperature and volume are used as control variables. Free Energy and the Partition Function. Maxwell Relations -- you can derive them all. Legendre Transforms. Ideal Gas. Quantum Concentration. Why some slow processes are still irreversible, as with toast and frogs. Lecture Audio

    Lecture 6: Ideal Gas Law, Planck Blackbody Radiation

    Lecture 6: Ideal Gas Law, Planck Blackbody Radiation

    Deriving the ideal gas law. Equipartition Theorem. Entropy of Mixing. Hot things glow -- or how night vision goggles work (Planck blackbody radiation). Analyzing star spectra. Class discussions: Mixing 2 colors of Kool-Aid, and how to make heavy Kool-Aid out of deuterated water. Why deuterated water can extend the snow skiing season, but is unfortunately toxic. Lecture Audio

    Lecture 2: Multiplicity Function

    Lecture 2: Multiplicity Function

    Why is the most probable configuration important? Multiplicity Function is a gaussian in the two-state system. Weighted averages. Introduction to partition function. Lecture 2 Audio

    Final Review 2

    Final Review 2

    This is a final review for the last 1/4 of the course. This is a very short lecture, because we had a field trip to go see the prestigious Bagwell Lecture given by Purdue's very own Prof. Albert Overhauser of the world-famous Overhauser Effect. Lecture Audio

    Final Review 1

    Final Review 1

    This is a final review for the first 3/4 of the course. Lecture Audio

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