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Phase Diagram Of A Dilute Binary System

Author

Listed:
  • A. SADIQ

    (Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Islamabad, Pakistan)

  • K. YALDRAM

    (Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Islamabad, Pakistan)

  • M. DAD

    (Pakistan Institute of Nuclear Science and Technology, P.O. Nilore, Islamabad, Pakistan)

Abstract

Phase diagram of a binary system with quenched impurities has been studied with Monte Carlo computer simulation technique. Use of Swendsen-Wang algorithm makes it possi-ble to explore the vicinity of percolation transition which was difficult to explore with the traditional Metropolis method. For small vacancy concentration υ(υ=1−p, wherepis the spin concentration) the critical temperature,Tc, decreases linearly with υ consistent with earlier results on this system. For larger values of v departure from linearity is observed withTcdecreasing to zero sharply near the percolation threshold. An estimate of the critical exponent describing this sharp drop ofTcis also given.

Suggested Citation

  • A. Sadiq & K. Yaldram & M. Dad, 1992. "Phase Diagram Of A Dilute Binary System," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 3(02), pages 297-305.
    • Handle: RePEc:wsi:ijmpcx:v:03:y:1992:i:02:n:s0129183192000245
    DOI: 10.1142/S0129183192000245
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