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We consider non-equilibrium transport in disordered conductors. We calculate the interaction correction to the current for a short wire connected to electron reservoirs by resistive interfaces. In the absence of charging effects we find a…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 P. Schwab , R. Raimondi

We report microwave impedance measurements of a superconductor-semiconductor hybrid nanowire device with three terminals (3T). Our technique makes use of transmission line resonators to acquire the nine complex scattering matrix parameters…

Mesoscale and Nanoscale Physics · Physics 2022-07-27 B. Harlech-Jones , S. J. Waddy , J. D. S. Witt , D. Govender , L. Casparis , E. Martinez , R. Kallaher , S. Gronin , G. Gardner , M. J. Manfra , D. J. Reilly

We study current fluctuations in a Y-shaped conductor connected to external leads with finite impedances. We show that, due to voltage fluctuations in the circuit, the moments of the transferred charges cannot be obtained from simple…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Shin-Tza Wu , Sungkit Yip

The Landauer-B\"uttiker formalism establishes an equivalence between the electrical conduction through a device, e.g., a quantum dot, and the transmission. Guided by this analogy we perform transmission measurements through three-port…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 A. M. Martínez-Argüello , A. Rehemanjiang , M. Martínez-Mares , J. A. Méndez-Bermúdez , H. -J. Stöckmann , U. Kuhl

Quantum Metrology Triangle experiments combine three quantum electrical effects (the Josephson effect, the quantum Hall effect and the single-electron transport effect) used in metrology. These experiments allow important fundamental…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Hansjörg Scherer , Benedetta Camarota

We review several ways of defining the statistics of charge that is transmitted through an electric circuit, the so-called "counting statistics". We first pursue two approaches that explain the origin of "negative probabilities" that have…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Markus Kindermann , Yuli V. Nazarov

The thermoelectric transport through a benzene molecule with three metallic terminals is discussed. Using general local and non-local transport coeffcients, we investigated different conductance and thermopower coefficients within the…

Mesoscale and Nanoscale Physics · Physics 2018-05-22 Zahra Sartipi , Javad Vahedi

We calculate the linear and nonlinear conductance of spinless fermions in clean, long quantum wires where short-ranged interactions lead locally to equilibration. Close to the quantum phase transition where the conductance jumps from zero…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 T. Micklitz , A. Levchenko , A. Rosch

Both longitudinal and transverse coupling impedance for some critical components need to be measured for accelerator design. The twin wires method is widely used to measure longitudinal and transverse impedance on the bench. A mode error is…

Accelerator Physics · Physics 2014-10-14 Huang Liang-Sheng , Yoshiro Irie , Liu Yu-Dong , Wang Sheng

The impedance measurement technique consists in that the phase-dependent (parametric) inductance of the system is probed by the classical tank circuit via measuring the voltage. The notion of the parametric inductance for the impedance…

Superconductivity · Physics 2009-11-13 S. N. Shevchenko

We investigate transport in a three-terminal graphene quantum dot. All nine elements of the conductance matrix have been independently measured. In the Coulomb blockade regime accurate measurements of individual conductance resonances…

Mesoscale and Nanoscale Physics · Physics 2012-02-24 A. Jacobsen , P. Simonet , K. Ensslin , T. Ihn

The electron transport properties of a four-terminal molecular device are computed within the framework of density functional theory and non-equilibrium Keldysh theory. The additional two terminals lead to new properties, including a…

Mesoscale and Nanoscale Physics · Physics 2009-09-01 Kamal K. Saha , Wenchang Lu , J. Bernholc , Vincent Meunier

The interaction of externally applied currents with persistent currents induced by magnetic field in a mesoscopic triangle is investigated. As a consequence of the superposition of these currents, clear voltage rectification effects are…

Superconductivity · Physics 2007-12-05 N. Schildermans , A. B. Kolton , R. Salenbien , V. I. Marconi , A. V. Silhanek , V. V. Moshchalkov

Electrical circuits offer a unique platform to explore physical phenomena, from topology to non-Hermitian effects. Investigations of the fundamental properties of this metamaterial platform are crucial to distinguish observed/measured…

Mesoscale and Nanoscale Physics · Physics 2025-08-05 Haydar Sahin

The thermoelectric effects in three-terminal structures with a quantum dot are considered. We propose the experimentally consistent protocol for determination of the transport coefficients in terms of the local and non-local conductances…

Mesoscale and Nanoscale Physics · Physics 2016-06-27 Grzegorz Michalek , Marcin Urbaniak , Bogdan R. Bulka , Tadeusz Domanski , Karol I. Wysokinski

Motivated by recent experiments on nonlocal transport through multiterminal superconducting hybrid structures, we present self-consistent calculations based on quasiclassical Green's functions for the order parameter, currents and voltages…

Superconductivity · Physics 2015-05-13 F. S. Bergeret , A. Levy Yeyati

We extend Feynman's analysis of the infinite ladder AC circuit to fractal AC circuits. We show that the characteristic impedances can have positive real part even though all the individual impedances inside the circuit are purely imaginary.…

Mathematical Physics · Physics 2020-09-16 Eric Akkermans , Joe P. Chen , Gerald Dunne , Luke G. Rogers , Alexander Teplyaev

Transition Edge Sensors are ultra-sensitive superconducting detectors with applications in many areas of research, including astrophysics. The device consists of a superconducting thin film, often with additional normal metal features, held…

Instrumentation and Methods for Astrophysics · Physics 2018-05-18 R. C. Harwin , D. J. Goldie , S. Withington , P. Khosropanah , L. Gottardi , J. -R. Gao

We study a gated quantum wire contacted to source and drain electrodes in the Fabry-Perot regime. The wire is also coupled to a third terminal (tip), and we allow for an asymmetry of the tip tunneling amplitudes of right and left moving…

Strongly Correlated Electrons · Physics 2009-01-27 Stefano Pugnetti , Fabrizio Dolcini , Dario Bercioux , Hermann Grabert

We describe a simple method to experimentally determine the frequency dependencies of the per-unit-length resistance and conductance of transmission lines. The experiment is intended as a supplement to the classic measurement of the…

Physics Education · Physics 2020-12-25 J. S. Bobowski