STATIC AND DYNAMIC PROPERTIES OF A 2-DIMENSIONAL CHARGED BOSE FLUID

We investigate some static and dynamic properties of a two-dimensional charged Bose fluid interacting via In(r) potential by using the self- consistent-held approximation of Singwi, Tosi, Land, and Sjolander. Th e static structure factor, the pair-correlation function, the energy s pectrum of elementary excitations, and the static dielectric-response function are calculated over a wide density range (1 less than or equa l to r(s) less than or equal to 10). Wherever available, the results f or the structure factor are compared with the recent diffusion Monte C arlo calculation by Magro and Ceperley and a good agreement is found. A comparison is also made with the two-dimensional charged Bose fluid with 1/r interaction potential. It is noticed that the Bose fluid inte racting with In(r) potential becomes partially localized at r(s) appro ximate to 10, which is closer to the Monte Carlo prediction of Wigner crystallization at r(s) approximate to 12.