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001-es BibID:	BIBFORM002186
Első szerző:	Suzuki, Masaru
Cím:	Thermodynamics of a binary monolayer of Ising dipolar particles / M. Suzuki, F. Kun, S. Yukawa, N. Ito
Dátum:	2007
ISSN:	2470-0045 2470-0053
Megjegyzések:	Thermodynamic behavior of a binary monolayer of Ising dipolar particles is studied using numerical simulation. The thermal equilibrium states of the system under the canonical ensemble are observed. The boundary of gas-liquid phase is determined from the power law growth of critical clusters. But that temperature is slightly lower than that of solidification. So it means that this system does not have a liquid phase. This system is also studied theoretically using virial expansion. The coefficients obtained from standard virial expansion, however, do not show any phase transition. An improvement of the virial expansion is also given by taking tetragonal local structures of alternate types of particles into consideration. Such structures are observed within critical clusters of our simulation. The thermodynamic state equation obtained from the improved virial expansion agrees well with the simulation result, and this expansion also shows that the critical point is almost at the same temperature with solidification. These results suggest that not simply the strength of attractive force by the dipole interaction but a typical configuration caused by the binary condition of this system plays a dominant role in phase transitions.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban dipolar crystal binary colloid computer simulation thermodynamics
Megjelenés:	Physical Review E. - 76 : 5 (2007), 051116. -
További szerzők:	Yukawa, Satosi Ito, Nobuyasu Kun Ferenc (1966-) (fizikus)
Internet cím:	Intézményi repozitóriumban (DEA) tárolt változat Szerző által megadott URL DOI
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