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Related papers: Shot Noise in Linear Macroscopic Resistors

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A theory is presented for the universal reduction of shot noise by Coulomb repulsion, which was observed in computer simulations of a disordered non-degenerate electron gas by Gonzalez et al. (cond-mat/9803372). The universality of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. W. J. Beenakker

We present a frequency domain model of shot noise in the photodetection of ultrashort optical pulse trains using a time-varying analysis. Shot noise-limited photocurrent power spectral densities, signal-to-noise expressions, and shot noise…

Optics · Physics 2015-06-15 Franklyn Quinlan , Tara M. Fortier , Haifeng Jiang , Scott A. Diddams

We present a semiclassical theory of shot noise in diffusive superconductor - normal metal contacts. At subgap voltages, we reproduce the doubling of shot noise with respect to conventional normal-metal contacts, which is interpreted in…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 K. E. Nagaev , M. Buttiker

Multiple tracers of the same surveyed volume can enhance the signal-to-noise on a measurement of local primordial non-Gaussianity and the relativistic projections. Increasing the number of tracers comparably increases the number of shot…

Cosmology and Nongalactic Astrophysics · Physics 2020-06-11 Dimitry Ginzburg , Vincent Desjacques

Schottky noise is a common term widely acknowledged by the community of accelerators, especially of circular machines. It is referred to the incoherent signal arising from the circulating charged particles in the accelerator. The noise is…

Instrumentation and Detectors · Physics 2018-06-01 Xiangcheng Chen

The test masses in next-generation gravitational-wave interferometers may have a semiconductor substrate, most likely silicon. The stochastic motion of charge carriers within the semiconductor will cause random fluctuations in the…

General Relativity and Quantum Cosmology · Physics 2023-01-18 Harrison Siegel , Yuri Levin

We investigate the fundamental limit of biological quantum electron microscopy, which is designed to go beyond the shot noise limit. Inelastic scattering is expected to be the main obstacle in this setting, especially for thick specimens of…

Quantum Physics · Physics 2022-09-14 Hiroshi Okamoto

We study the non-equilibrium noise in mesoscopic diffusive wires hosting magnetic impurities. We find that the shot-noise to current ratio develops a peak at intermediate source-drain biases of the order of the Kondo temperature. The…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Eran Lebanon , P. Coleman

We present a Monte Carlo analysis of shot-noise suppression due to long-range Coulomb interaction in semiconductor samples under a crossover between diffusive and ballistic transport regimes. By varying the mean time between collisions we…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 T. Gonzalez , O. M. Bulashenko , J. Mateos , D. Pardo , L. Reggiani , J. M. Rubi

The influence of the interference of electron waves, which are scattered by single impurities and by a barrier on nonlinear conductance and shot noise of metallic microconstriction is studied theoretically. It is shown that the these…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Ye. S. Avotina , A. Namiranian , Yu. A. Kolesnichenko

We have investigated shot noise in a 6-nm-diameter, semiconducting multiwalled carbon nanotube FET at 4.2 K over the frequency range 600 - 950 MHz. We find a transconductance of 3 - 3.5 $\mu$S for optimal positive and negative source-drain…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 F. Wu , T. Tsuneta , R. Tarkiainen , D. Gunnarsson , T. H. Wang , P. J. Hakonen

We investigate the charge and heat electronic noise in a generic two-terminal mesoscopic conductor in the absence of the corresponding charge and heat currents. Despite these currents being zero, shot noise is generated in the system. We…

Mesoscale and Nanoscale Physics · Physics 2021-09-23 Jakob Eriksson , Matteo Acciai , Ludovico Tesser , Janine Splettstoesser

This is a study of phase-coherent conduction through a ballistic point contact with disordered leads. The disorder imposes mesoscopic (sample-to-sample) fluctuations and weak-localization corrections on the conductance, and also leads to…

Condensed Matter · Physics 2007-05-23 C. W. J. Beenakker , J. A. Melsen

We demonstrate that nuclear spin fluctuations lead to the electric current noise in the mesoscopic samples of organic semiconductors showing the pronounced magnetoresistance in weak fields. For the bipolaron and electron-hole mechanisms of…

Mesoscale and Nanoscale Physics · Physics 2021-06-02 D. S. Smirnov , A. V. Shumilin

Thermodynamic noise places a fundamental limit on the frequency stability of dielectric optical resonators. Here, we present the characterization of thermo-refractive noise in photonic-chip-based silicon nitride microresonators and show…

SrIrO$_3$ is a metallic complex oxide with unusual electronic and magnetic properties believed to originate from electron correlations due to its proximity to Mott metal-insulator transition. However, the nature of its electronic state and…

Strongly Correlated Electrons · Physics 2024-05-30 Yiou Zhang , Shashi Pandey , Sergei Ivanov , Jian Liu , Sergei Urazhdin

The spin resolved current shot noise can uniquely probe the interactions in mesoscopic systems: i) in a normal-superconducting junction, the spin current noise is zero, as carried by singlets, and ii) in a single electron transistor (SET)…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Olivier Sauret , Denis Feinberg

The shot noise of the current through a single electron transistor (SET), coupled capacitively with an electronic box, is calculated, using the master equation approach. We show that the noise may be sub-Poissonian or strongly…

Mesoscale and Nanoscale Physics · Physics 2013-06-11 V. Hung Nguyen , V. Lien Nguyen

Scanning tunneling microscope induced light emission from an atomic or molecular junction has been probed from the tunneling to contact regime in recent experiments. There, the intensity of the light emission shows strong correlation with…

Mesoscale and Nanoscale Physics · Physics 2013-07-11 Jing-Tao Lü , Rasmus Bjerregaard Christensen , Mads Brandbyge

We analyze theoretically the effect of technical fluctuations on laser lineshape in terms of statistics of amplitude and phase noise and their respective bandwidths. While the phase noise tends to broaden the linewidth as the magnitude of…