Melting in 2D One Component Plasma

Verma, Nishchhal (2017) Melting in 2D One Component Plasma. Masters thesis, Indian Institute of Science Education and Research Kolkata.

PDF (MS dissertation of Nishchhal Verma (12MS033)) 12MS033.pdf - Submitted Version Restricted to Repository staff only Download (1MB)

Abstract

Thermal melting in 2D one component plasma has attracted critical debate on whether it obeys the KTHNY mechanism of topological defect mediated melting. The question was first asked in 1979. A recent study employing ewald summation hinted at existence of a hexatic phase which is one of the major predictions of KTHNY theory. On the other side, recent experiments have brought to surface interesting physics of disorder as a perturbation to probe phases using evolution of defects. In the thesis, we developed robust numerical routines to study melting in the given system and characterize the solid and liquid regimes. We also developed routines for exploring the role of disorder.

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