PHYS664_HW9 - temperature range. obtain Helmholtz free...

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Robert Szoszkiewicz, PHYS 664, HW # 9, Nov 25, 2009 DUE: on (or before) 10:20 am, Wed, Dec 2, 2009. 1. Landau theory of strong first order phase transitions Based on the lecture notes from the Lecture 33, please derive the Landau theory of a strong first order phase transitions (case 3, page 33.8 of RS lecture notes). formulate Landau free energy, F L , when g 2 = α ( τ - τ 0 ), ( α > 0), g 3 = 0, g 4 < 0, g 5 = 0, and g 6 > 0. obtain the extrema of F L in all temperate ranges defined by number and behavior of the extremes. for each given temperature range calculate if the extremes of F L are either minima, or maxima, or inflection points. Based on that, draw the F L approximately in each given
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Unformatted text preview: temperature range. obtain Helmholtz free energy based on the studied above cases of F L . draw the behavior of the order parameter with respect to temperature. 2. First order crystal transformation Chapter 10, problem no. 8, page 307 from the course book (Ch. Kittel, Thermal Physics, second ed.) 3. Calculation of heat of vaporization for ice Chapter 10, problem no. 3, page 305 from the course book (Ch. Kittel, Thermal Physics, second ed.) 4. Mean speeds in a Maxwell distribution Chapter 14, problem no. 1, page 419 from the course book (Ch. Kittel, Thermal Physics, second ed.) 1...
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