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Title: Hard-sphere assembly of crystalline bosons
Authors: Rotich, S K
Khanna, K M
Ayodo, Y K
Mbugua, W S
Sakwa, W T
Keywords: Crystalline bosons;Hard-sphere;Close packing;Saturation density
Issue Date: Jan-2011
Publisher: NISCAIR-CSIR, India
Abstract: The properties of crystalline quantum hard-sphere systems of bosons at low and high densities have been studied. At very high density, the hard-sphere system approaches close packing (CP) structure. Ground state energy per particle of a many-boson system of particles has been calculated for close -packing densities. For a hard-sphere diameter fixed at 2.48Å, it is found that for a 4He boson system, the low and high densities, are 4.33´1022 particles/cm3 and 6.15´1022 particles/cm3, respectively. Calculations showed that particle densities have decreased with increase in hard-sphere diameters when the saturation density was fixed at 2.0´1028 particles/cm3. Energy per particle has increased with hard-sphere diameter. However, energy per particle has decreased with particle density.
Page(s): 7-12
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.49(01) [January 2011]

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