Landau Theory in the Region of First Order Phase Transitions

Author(s) O.G. Medvedovskaya1 , Yu.M. Lopatkin2 , T.A. Fedorenko2 , G.K. Chepurnykh3
Affiliations

1 A.S. Makarenko Sumy State Pedagogical University, 87, Romens’ka Str., 40002 Sumy, Ukraine

2 Sumy State University 2, Rimsky-Korsakov Str., 40007 Sumy, Ukraine

3 Institute of Applied Physics, National Academy of Science of Ukraine 58, Petropavlivs’ka Str.,

40000 Sumy, Ukraine

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Issue Volume 6, Year 2014, Number 1
Dates Received 12 January 2014; published online 06 April 2014
Citation O.G. Medvedovskaya, Yu.M. Lopatkin, T.A. Fedorenko, G.K. Chepurnykh J. Nano- Electron. Phys. 6 No 1, 01028 (2014)
DOI
PACS Number(s) 61.50.Ks, 75.10. ± b
Key words Landau theory, Phase transitions (2) , Magnetically ordered crystals.
Annotation For the case when the line of the first order phase transitions does not transform into the line of the second order phase transitions, i.e. not as ends with the tricritical point but not with a critical one: critical lines, limiting the region of metastable states, by using the Landau theory of phase transitions were determined.

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