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We present a novel method for the evaluation of shot noise in quasi one-dimensional field-effect transistors, such as those based on carbon nanotubes and silicon nanowires. The method is derived by using a statistical approach within the…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Alessandro Betti , Gianluca Fiori , Giuseppe Iannaccone

We report on shot noise measurements in carbon nanotube based Fabry-Perot electronic interferometers. As a consequence of quantum interferences, the noise power spectral density oscillates as a function of the voltage applied to the gate…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 L. G. Herrmann , T. Delattre , P. Morfin , J. -M. Berroir , B. Plaçais , D. C. Glattli , T. Kontos

We study shot noise in the current of quantum dots whose low-energy behaviour corresponds to an SU(N) Kondo model, focusing on the case N=4 relevant to carbon nanotube dots. For general N, two-particle Fermi liquid interactions have two…

Mesoscale and Nanoscale Physics · Physics 2008-01-24 P. Vitushinsky , A. A. Clerk , K. Le Hur

We study the low frequency current correlations of an individual single-walled carbon nanotube at liquid He temperature. We have distinguished two physical regimes -- zero dimensional quantum dot and one dimensional quantum wire -- in terms…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 N. Y. Kim , W. D. Oliver , Y. Yamamoto , J. Kong , H. Dai

We have derived a general formula describing current noise in multimode ballistic channels connecting source and drain electrodes with Fermi electron gas. In particular (at $eV\gg k_{B}T$), the expression describes the nonequilibrium…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Y. Naveh , A. N. Korotkov , K. K. Likharev

Shot noise, originating from the discrete nature of electric charge, is generated by scattering processes. Shot-noise measurements have revealed microscopic charge dynamics in various quantum transport phenomena. In particular, beyond the…

Mesoscale and Nanoscale Physics · Physics 2021-10-07 Kensuke Kobayashi , Masayuki Hashisaka

We present an expression for the shot noise power spectral density in quasi-one dimensional conductors electrostatically controlled by a gate electrode, that includes the effects of Coulomb interaction and of Pauli exclusion among charge…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Alessandro Betti , Gianluca Fiori , Giuseppe Iannaccone

We investigate shot noise for quantum dots whose classical phase space consists of both regular and chaotic regions. The noise is systematically suppressed below the universal value of fully chaotic systems, by an amount which varies with…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 H. -S. Sim , H. Schomerus

Efficiently estimating energy expectation values of quantum lattice systems on quantum computers is a crucial subroutine for various quantum algorithms, which can lead to significant overhead due to the high measurement shot numbers…

We formulate a theory for shot noise in quantum nanoelectromechanical systems. As a specific example, the theory is applied to a quantum shuttle, and the zero-frequency noise, measured by the Fano factor F, is computed. F reaches very low…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Tomas Novotny , Andrea Donarini , Christian Flindt , Antti-Pekka Jauho

Quantum dots (QDs) investigated through electron transport measurements often exhibit varying, state-dependent tunnel couplings to the leads. Under specific conditions, weakly coupled states can result in a strong suppression of the…

Mesoscale and Nanoscale Physics · Physics 2018-03-07 M. -C. Harabula , V. Ranjan , R. Haller , G. Fülöp , C. Schönenberger

By coupling on chip a carbon nanotube to a quantum noise detector, a superconductor-insulator-superconductor junction, via a resonant circuit, we measure the emission noise of a carbon nanotube quantum dot in the Kondo regime. The signature…

Mesoscale and Nanoscale Physics · Physics 2018-02-07 R. Delagrange , J. Basset , H. Bouchiat , R. Deblock

We investigate the shot noise generated by particle emission from a mesoscopic capacitor into an edge state reflected and transmitted at a quantum point contact (QPC). For a capacitor subject to a periodic voltage the resulting shot noise…

Mesoscale and Nanoscale Physics · Physics 2008-10-16 S. Ol'khovskaya , J. Splettstoesser , M. Moskalets , M. Buttiker

Theoretical and experimental work concerned with dynamic fluctuations has developed into a very active and fascinating subfield of mesoscopic physics. We present a review of this development focusing on shot noise in small electric…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Ya. M. Blanter , M. Buttiker

We address the shot noise in the tunneling current through a localized spin, pertaining to recent experiments on magnetic adatoms and single molecular magnets. We show that both uncorrelated and spin-correlated scattering processes…

Mesoscale and Nanoscale Physics · Physics 2018-03-16 S. Pradhan , J. Fransson

An on-chip detection scheme for high frequency signals is used to detect noise generated by a quantum dot formed in a single wall carbon nanotube. The noise detection is based on photon assisted tunneling in a…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 E. Onac , F. Balestro , B. Trauzettel , C. F. J. Lodewijk , L. P. Kouwenhoven

In a recent letter (Phys.Rev.Lett. 82, 1526 (1999)), van den Brom and van Ruitenbeek found a pronounced suppression of the shot noise in atom-size gold contacts with conductances near integer multiples of $G_0=2e^2/h$, revealing…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 J. Burki , C. A. Stafford

Strange metal behavior has been observed in an expanding list of quantum materials, with heavy fermion metals serving as a prototype setting. Among the intriguing questions is the nature of charge carriers; there is an increasing…

Strongly Correlated Electrons · Physics 2025-07-02 Yiming Wang , Shouvik Sur , Fang Xie , Haoyu Hu , Silke Paschen , Douglas Natelson , Qimiao Si

In these notes we discuss the origin of shot noise ('Schroteffekt') of vacuum tubes in detail. It will be shown that shot noise observed in vacuum tubes and first described by W. Schottky in 1918 is a purely classical phenomenon. This is in…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. Schönenberger , S. Oberholzer , E. V. Sukhorukov , H. Grabert

We study shot noise in a two-dimensional, disordered marginal Fermi liquid (MFL) driven out of equilibrium. We consider electrons with Planckian dissipation on the Fermi surface coupled to quantum-critical bosons in the presence of…

Strongly Correlated Electrons · Physics 2024-08-02 Tsz Chun Wu , Matthew S. Foster
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