Statistical Physics, Part 1A lucid presentation of statistical physics and thermodynamics which develops from the general principles to give a large number of applications of the theory. |
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Page 15
... levels in a given finite range of the energy spectrum of a macroscopic body increases exponentially with the number of particles in the body , and the separations between levels are given by numbers of the form 10- ( where N is a number ...
... levels in a given finite range of the energy spectrum of a macroscopic body increases exponentially with the number of particles in the body , and the separations between levels are given by numbers of the form 10- ( where N is a number ...
Page 29
... energy alone . The statistical weight = eS ( E ) , by definition , is the number of energy levels in the inter- Ar val AE which describes in a certain way the width of the energy probability distribution . Dividing ДE by 4Ã , we obtain ...
... energy alone . The statistical weight = eS ( E ) , by definition , is the number of energy levels in the inter- Ar val AE which describes in a certain way the width of the energy probability distribution . Dividing ДE by 4Ã , we obtain ...
Page 97
... energy in the first - order approximation , formally the same as the classical result above . Formula ( 32.5 ) may ... levels ; roughly speaking , the perturbation energy must be small compared with the separations of the energy levels ...
... energy in the first - order approximation , formally the same as the classical result above . Formula ( 32.5 ) may ... levels ; roughly speaking , the perturbation energy must be small compared with the separations of the energy levels ...
Contents
Elementary excitations in a quantum Fermi liquid | 1 |
Interaction of quasiparticles | 2 |
Magnetic susceptibility of a Fermi liquid | 3 |
Copyright | |
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atoms axis body Bravais lattice calculate cell chemical potential classical coefficients components concentration condition constant coordinates correlation function corresponding critical point crystal denote density depends derivative determined electron elements entropy equal equation expansion expression Fermi field fluctuations formula free energy frequency gases Gibbs distribution given gives Hamiltonian Hence ideal gas integral interaction irreducible representations liquid macroscopic magnetic matrix mean square mean value molecule momenta momentum motion N₁ number of particles obtain order parameter P₁ partition function phase transition phonon plane pressure PROBLEM properties Quantum Mechanics reciprocal lattice regarded relation result rotational second kind solid solution solvent space group specific heat statistical substance Substituting subsystem suffix surface symmetry temperature theory thermal thermodynamic potential thermodynamic quantities tion total number transformation transition point vapour variables velocity vibrations volume zero ӘР