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Theory of thermal expansion of heavy fermion systems
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Journal of Material Sciences & Engineering

ISSN: 2169-0022

Open Access

Theory of thermal expansion of heavy fermion systems


2nd International Conference and Exhibition on Mesoscopic and Condensed Matter Physics

October 26-28, 2016 Chicago, USA

Rikio Konno

Kindai University Technical College, Japan

Scientific Tracks Abstracts: J Material Sci Eng

Abstract :

We investigated the temperature dependence of thermal expansion of heavy fermion systems based on the Coqblin- Schrieffer model (the Kondo lattice model), theoretically. Thermal expansion of heavy fermion systems has been unresolved based on the microscopic model. In order to study thermal expansion, we used Takahashi├ó┬?┬?s method that is based on the Landau expansion of the free energy about the small volume. Takahashi├ó┬?┬?s method was applied to the free energy derived by Hanzawa and Ohara based on the Coqblin-Schrieffer model. We found that thermal expansion at low temperatures showed an exponential behavior. Near the Kondo temperature, thermal expansion showed T-linear dependence. We also discussed thermal expansion of the localized paramagnon that was valid in one of heavy fermion compounds.

Biography :

Rikio Konno has completed his PhD from University of Tokyo and Post-doctoral studies from Tsukuba University. He is the Science Section Head of Kindai University Technical College, a famous college based on Kindai University in Japan. He has published more than 25 papers in reputed journals.

Email: [email protected]

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Citations: 2394

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