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Dynamics of the 2D two-component plasma near the Kosterlitz-Thouless transition | Dierk Bormann
; Hans Beck
; Oliver Gallus
; Massimiliano Capezzali
; | Date: |
14 Oct 1999 | Journal: | J. Phys. IV (France) 10, 447-450 (2000) | Subject: | Statistical Mechanics; Plasma Physics | cond-mat.stat-mech physics.plasm-ph | Affiliation: | Augsburg Univ., Germany), Hans Beck and Oliver Gallus (Neuchâtel Univ., Switzerland), and Massimiliano Capezzali (Queens Univ., Canada | Abstract: | We study the dynamics of a classical, two-component plasma in two dimensions, in the vicinity of the Kosterlitz-Thouless (KT) transition where the system passes from a dielectric low-temperature phase (consisting of bound pairs) to a conducting phase. We use two ``complementary’’ analytical approaches and compare to simulations. The conventional, ``intuitive’’ approach is built on the KT picture of independently relaxing, bound pairs. A more formal approach, working with Mori projected dynamic correlation functions, avoids to assume the pair picture from the start. We discuss successes and failures of both approaches, and suggest a way to combine the advantages of both. | Source: | arXiv, cond-mat/9910211 | Services: | Forum | Review | PDF | Favorites |
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