Statistical Physics, Second Revised and Enlarged Edition

(Barry) #1

  • 1 Basic ideas Preface ix

    • 1.1 The macrostate

    • 1.2 Microstates

    • 1 .3 The averaging postulate

    • 1.4 Distributions

    • 1 5 The statistical method in outline

    • 1 .6 A model example

    • 1 .7 Statistical entropy and microstates

    • 1 .8 Summary



  • 2 Distinguishable particles

    • 2.1 TheThermalEquilibrium Distribution

    • 2.2 What areαandβ?

    • 2 .3 A statisticaldefinition oftemperature

    • 2 .4 Theboltzmanndistribution andthepartitionfunction

    • 2 .5 Calculation of thermodynamic functions

    • 2 6 Summary



  • 3 Two examples

    • 3.1 A Spin-^12 solid

    • 3 .2 Localized harmonic oscillators

    • 3 .3Summary4



  • 4 Gases: the density of states

    • 4.1 Fittingwaves into boxes

    • 4.2 Other information for statistical physics

    • 4.3 An example – heliumgas

    • 4 .4Summary



  • 5 Gases: the distributions

    • 5 .1 Distribution in groups

    • 5 .2 Identical particles – fermions and bosons

    • 5 .3 Counting microstates for gases

    • 5 .4 The three distributions

    • 5.5 Summary



  • 6 Maxwell–Boltzmann gases vi Table ofcontents

    • 6 .1 The validityof the Maxwell–Boltzmann limit

    • 6 .2 The Maxwell–Boltzmann distribution of speeds

    • 6 .3 The connection to thermodynamics

    • 6 .4 Summary



  • 7 Diatomic gases

    • 7.1 Energycontributionsindiatomicgases

    • 7.2 Heat capacityof a diatomicgas

    • 7.3 The heat capacityof hydrogen

    • 7.4Summary8



  • 8 Fermi–Dirac gases

    • 8.1 Properties ofanidealFermi–Dirac gas

    • 8.2 Application to metals9

    • 8.3 Application tohelium-3

    • 8.4 Summary



  • 9 Bose–Einsteingases

    • 9 .1 Properties of an ideal Bose–Einstein gas

    • 9 .2 Application to helium-4

    • 9 .3 Phoneybosons

    • 9 .4 A note about coldatoms

    • 9 .5 Summary



  • 1 0 Entropyin other situations

    • 1 0.1 Entropy and disorder

    • 1 0.2 An assembly at fixed temperature

    • 10 3 Vacancies in solids



  • 1 1Phasetransitions

    • 1 1.1 Types ofphase transition

    • 1 1.2 Ferromagnetism of a spin-^12 solid

    • 1 1.3 Real ferromagnetic materials

    • 1 1.4 Order–disorder transformationsinalloys1



  • 1 2 Two new ideas

    • 1 2.1 Statics or dynamics?

    • 1 2.2 Ensembles – a larger view



  • 13 Chemical thermodynamics

    • 1 3.1 Chemicalpotentialrevisited

    • 1 3.2 Thegrandcanonicalensemble1

    • 1 3.3 Idealgases in thegrand ensemble

    • 1 3.4 Mixed systems and chemical reactions

    • 1 4 Dealing with interactions Table ofcontents vii

      • 1 4.1 Electrons in metals

      • 1 4.2 Liquid helium-3: A Fermi liquid

      • 1 4.3 Liquid helium-4: A Bose liquid?

      • 1 4.4 Real imperfect gases



    • 15 Statistics under extreme conditions

      • 15 .1 Superfluid states in Fermi–Dirac systems

      • 15 .2 Statistics in astrophysical systems





  • Appendix A Some elementary countingproblems

  • Appendix BSome problems with large numbers

  • Appendix C Some useful integrals

  • Appendix DSome useful constants

  • Appendix E Exercises

  • Appendix F Answers to exercises

    • Index



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