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Title: Evaluation of pressure dependent chemical potential of helium atom in liquid 3He
Authors: Jha, D
Singh, A N.
Singh, R P
Prasad, S C
Singh, R P
Shyam, R
Sinha, R P
Singh, N P
Dubey, N
Kumar, S
Mishra, L K
Issue Date: Jun-2001
Publisher: NISCAIR-CSIR, India
Abstract: Using Mishra and Tripathy model Hamiltonian (J. Low. Temp.Phys.. J LT P 75, 79 (1989), the perssure dependent chemical potential of Helium atom has been evaluated in liquid 3He. The result show that chemical potential of helium atom in liquid increases with pressure, which are in satisfactory agreement with the experimental data at least for higher pressure. For low pressure, as per experimental observation negative value of chemical potential is not obtained. This is because Mishra and Tripathy model Hamiltonian is based on repulsive nature of potential. Taking more realistic potential having both replusive and attractive part, the negative behaviour of the chemical potential of 3He atom in liquid 3He is observed.
Page(s): 346-350
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.39(06) [June 2001]

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