期刊
PHYSICAL REVIEW LETTERS
卷 84, 期 15, 页码 3386-3389出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.84.3386
关键词
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In the white-noise limit current: correlations measured at different contacts of a mesoscopic conductor are negative due to the antisymmetry of the wave function (Pauli principle). We show that: current fluctuations at capacitive contacts induced via the long range Coulomb interaction due to charge fluctuations in the mesoscopic sample can be positively correlated. The positive correlations are a consequence of the extension of the wave functions into areas near both contacts. As an example we investigate in detail a quantum point contact in a high magnetic field under conditions in which transport is along an edge state.
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