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Phase switching in a voltage-biased Aharonov-Bohm interferometer
Vadim I. Puller, Yigal Meir
Recent experiment [Sigrist et al., Phys. Rev. Lett. {\bf 98}, 036805 (2007)] reported switches between 0 and in the phase of Aharonov-Bohm oscillations of the two-terminal diff…
Island formation in disordered superconducting thin films at finite magnetic fields
Y. Dubi, Y. Meir, Y. Avishai
The existence of "superconducting islands" (i.e., locally confined regions with superconducting correlations) in amorphous superconducting thin films can account for numerous exper…
Nature of the superconductor-insulator transition in disordered superconductors
Yonatan Dubi, Yigal Meir, Yshai Avishai
As a superconducting thin film becomes disordered and subject to an increasing magnetic field, a point is reached when it undergoes a transition from a superconducting to an insula…
The theory of the "0.7 anomaly" in quantum point contacts
Yigal Meir
The phenomenology of the "0.7 anomaly" in quantum point contacts is fully explained in terms of a quasi-localized state, which forms as the point contact opens up. Detailed numeric…
Superconducting islands, phase fluctuations and the superconductor-insulator transition
Y. Dubi, Y. Meir, Y. Avishai
Properties of disordered thin films are discussed based on the viewpoint that superconducting islands are formed in the system. These lead to superconducting correlations confined…
Charge rearrangement and screening in a quantum point contact
Silvia Lüscher, Lindsay S. Moore, Tomaz Rejec +3
Compressibility measurements, sensitive to charge rearrangements, are performed on a quantum point contact (QPC). Screening due to mobile charges in the QPC is quantitatively measu…