Order-disorder transition in nanoscopic semiconductor quantum rings |
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Authors: | Borrmann P Harting J |
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Institution: | Department of Physics, Carl von Ossietzky University, D-26111 Oldenburg, Germany. |
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Abstract: | Using the path integral Monte Carlo technique we show that semiconductor quantum rings with up to six electrons exhibit a temperature, ring diameter, and particle number dependent transition between spin ordered and disordered Wigner crystals. Because of the small number of particles the transition extends over a broad temperature range and is clearly identifiable from the electron pair correlation functions. |
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