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- W2256464701 abstract "We study both theoretically and experimentally the quantum states of electrons and electron-hole pairs created by a time-dependent drive of a mesoscopic contact. We find that the shape of the single-electron wave function coincides with the time dependence of the applied voltage when the ac drive amplitude is smaller than the dc voltage bias and the electron-hole pair creation is not effective. For larger ac drive amplitudes, the shape of the single-electron wave function differs from the voltage drive because additional electron-hole pairs are created. We probe the time dependence of single-electron and electron-hole states by using an electronic analog of the optical Hong-Ou-Mandel correlation experiment where electrons emitted from the terminals with a relative time delay collide at the contact. The electron wave packet overlap is directly related to the current noise power in the contact. We have measured current noise power in a tunnel junction under harmonic excitation and found it to be in agreement with the time dependence of the electronic wave functions predicted theoretically." @default.
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- W2256464701 date "2015-06-12" @default.
- W2256464701 modified "2023-10-18" @default.
- W2256464701 title "Electron and electron-hole wave functions in a driven quantum contact" @default.
- W2256464701 hasPublicationYear "2015" @default.
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