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Alastuey A., Forrester P.J. — A Testbench for the Nested Dipole Hypothesis of Kosterlitz and Thouless
Alastuey A., Forrester P.J. — A Testbench for the Nested Dipole Hypothesis of Kosterlitz and Thouless



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Название: A Testbench for the Nested Dipole Hypothesis of Kosterlitz and Thouless

Авторы: Alastuey A., Forrester P.J.

Аннотация:

Journal of Statistical Physics, Vol. 79, Nos. 3/4, 1995. p. 503-523.
We consider the two-dimensional one-component plasma without a background and confined to a half-plane near a metal wall. The particles are also subjected to an external potential acting perpendicular to the wall with an inverse-power-law Boltzmann factor. The model has a known solvable isotherm which exhibits a Kosterlitz-houless-type transition from a conductive to an insulator phase as the power law is varied. This allows predictions of theoretical methods of analyzing the Kosterlitz-Thouless transition to be compared with the exact solution. In particular, we calculate the asymptotic density profile by resumming its low-fugacity expansion near the zero-density critical coupling in the insulator phase, and solving a mean-field equation deduced from the first BGY equation. Agreement with the exact solution is obtained. As the former calculation makes essential use of the nested dipole hypothesis of Kosterlitz and Thouless, the validity of this hypothesis is explicitly verified.


Язык: en

Рубрика: Физика/

Тип: Статья

Статус предметного указателя: Неизвестно

ed2k: ed2k stats

Год издания: 1995

Количество страниц: 21

Добавлена в каталог: 20.09.2013

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