New Thermal Variables of Condensed Matter at High Pressures and Temperatures
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概要
- 論文の詳細を見る
Thermal contribution in the Gruneisen equation of state has been discussed to establish a universal description of the behavior of solids at high pressures and temperatures. It is shown that two new thermal variables introduced previously by the author, Θ and C, have the following properties : (1) they are conjugate with each other like temperature T and entropy S ; and they form thermal internal energy by multiplication, (2) the variable C is the state variable depending only on entropy, while variable Θ defines a characteristic temperature ; (3) success of the Debye model for the specific heat strongly suggests that functional relationships between C, S and specific heat C_v might be universal ; (4) two results, (1) and (2), are found to be valid even when high-temperature anharmonic correction is included into the equation of state.
- 社団法人日本物理学会の論文
- 1994-10-15
著者
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Nagayama Kunihito
Department Of Applied Science Faculty Of Engineering Kyushu University
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Nagayama Kunihito
Department Of Aeronautics And Astronautics
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