Equation of State at T ≠ 0. Grüneisen Parameter

  • V. N. Zharkov
  • V. A. Kalinin


At a temperature T other than that of absolute zero, every atom in a solid has additional kinetic energy. This energy represents the vibrational motion of atoms about their equilibrium positions at lattice sites. This energy, and consequently the amplitude of the vibrations, increases with increasing temperature. A substance is solid if its temperature is sufficiently low. The value of kT should be small compared with the binding energy of atoms in a crystal. Consequently, the amplitudes of thermal vibrations in a solid are always small compared with the interatomic distances (lattice constants).


Equilibrium Position Debye Temperature Lattice Vibration Volume Dependence Normal Vibration 


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Copyright information

© Springer Science+Business Media New York 1971

Authors and Affiliations

  • V. N. Zharkov
    • 1
  • V. A. Kalinin
    • 1
  1. 1.Laboratory of Theoretical Physics, O. Yu. Shmidt Institute of Physics of EarthAcademy of Sciences of the USSRMoscowUSSR

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