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Related papers: An alternative form of Hooge's relation for 1/f no…

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One of the models of intermittency is on-off intermittency, arising due to time-dependent forcing of a bifurcation parameter through a bifurcation point. For on-off intermittency the power spectral density of the time-dependent deviation…

Chaotic Dynamics · Physics 2013-04-19 J. Ruseckas , B. Kaulakys

Simple analytically solvable models are proposed exhibiting 1/f spectrum in wide range of frequency. The signals of the models consist of pulses (point process) which interevent times fluctuate about some average value, obeying an…

Statistical Mechanics · Physics 2007-05-23 B. Kaulakys , T. Meskauskas

We propose a model of $1/f$ noise in semiconductors based on the drift of individual charge carriers and their interaction with the trapping centers. We assume that the trapping centers are homogeneously distributed in the material. The…

Probability · Mathematics 2024-11-07 Aleksejus Kononovicius , Bronislovas Kaulakys

The quantum indeterminacy caused by non-commutativity of observables at different times sets a lower bound on the voltage noise power spectrum in any conducting material. This bound is calculated explicitly in the case of semiconductors…

Mesoscale and Nanoscale Physics · Physics 2021-10-27 Kirill A. Kazakov

We investigate consecutive absorption or emission of photons of the quantum mechanical harmonic oscillator as a possible source of 1/f fluctuations. Separating the absorption and emission process, we show that consecutively absorbed or…

Data Analysis, Statistics and Probability · Physics 2012-05-31 Ferdinand Grueneis

An approach to the problem of 1/f voltage noise in conductors is developed based on an uncertainty relation for the Fourier-transformed signal. The quantum indeterminacy caused by non-commutativity of the observables at different times…

Quantum Physics · Physics 2020-06-23 Kirill A. Kazakov

Voss and Clarke observed 1/f noise in the square of Johnson noise across samples in thermal equilibrium without applying a current. We refer to this phenomenon as thermal 1/f noise. Voss and Clarke suggested spatially correlated temperature…

Statistical Mechanics · Physics 2022-02-14 Ferdinand Grueneis

Simple analytically solvable model of 1/f noise is proposed. The model consists of one or few particles moving in the closed contour. The drift period of the particle round the contour fluctuates about some average value, e.g. due to the…

adap-org · Physics 2015-06-30 B. Kaulakys

When the rate of shot noise is controlled by on-off states we speak of intermittent shot noise. The on-off states lead to alternately occurring clusters of events and intermissions, respectively. We derive the power spectrum of the…

Statistical Mechanics · Physics 2025-04-04 Ferdinand Grueneis

The efficiency of the future devices for quantum information processing will be limited mostly by the finite decoherence rates of the individual qubits and quantum gates. Recently, substantial progress was achieved in enhancing the time…

Mesoscale and Nanoscale Physics · Physics 2014-04-10 E. Paladino , Y. M. Galperin , G. Falci , B. L. Altshuler

An approach to the problem of 1/f voltage noise observed in all conducting media is developed based on an uncertainty relation for the Fourier-transformed signal. It is shown that the quantum indeterminacy caused by non-commutativity of…

Quantum Physics · Physics 2020-07-30 Kirill A. Kazakov

We show that $1/f$-noise in the variable range hopping regime is related to transitions of many-electrons clusters (fluctuators) between two almost degenerate states. Giant fluctuation times necessary for $1/f$-noise are provided by slow…

Disordered Systems and Neural Networks · Physics 2013-06-21 A. L. Burin , B. I. Shklovskii , V. I. Kozub , Y. M. Galperin , V. Vinokur

Two-dimensional electron or hole systems in semiconductors offer the unique opportunity to investigate the physics of strongly interacting fermions. We have measured the 1/f resistance noise of two-dimensional hole systems in high mobility…

Disordered Systems and Neural Networks · Physics 2007-05-23 G. Deville , R. Leturcq , D. L'Hote , R. Tourbot , C. J. Mellor , M. Henini

The power spectrum of quantum dot fluorescence exhibits $1/f^\beta$ noise, related to the intermittency of these nanosystems. As in other systems exhibiting $1/f$ noise, this power spectrum is not integrable at low frequencies, which…

Statistical Mechanics · Physics 2015-06-18 Sanaz Sadegh , Eli Barkai , Diego Krapf

It was recently conjectured that 1/f noise is a fundamental characteristic of spectral fluctuations in chaotic quantum systems. This conjecture is based on the behavior of the power spectrum of the excitation energy fluctuations, which is…

Chaotic Dynamics · Physics 2016-08-16 E. Faleiro , J. M. G. Gómez , R. A. Molina , L. Muñoz , A. Relaño , J. Retamosa , .

We have investigated the low-frequency 1/f noise of both suspended and on-substrate graphene field-effect transistors and its dependence on gate voltage, in the temperature range between 300K and 30K. We have found that the noise amplitude…

Materials Science · Physics 2012-04-09 Yan Zhang , E. E. Mendez , Xu Du

Starting from the simple point process model of 1/f noise we derive a stochastic nonlinear differential equation for the signal exhibiting 1/f noise in any desirably wide range of frequency. A stochastic differential equation (the general…

Statistical Mechanics · Physics 2009-11-10 B. Kaulakys , J. Ruseckas

Ion transport through biological and solid-state nanochannels is known to be a highly noisy process. The power spectrum of current fluctuations is empirically known to scale like the inverse of frequency, following the long-standing yet…

Soft Condensed Matter · Physics 2023-03-22 Paul Robin , Mathieu Lizée , Qian Yang , Théo Emmerich , Alessandro Siria , Lydéric Bocquet

The 1/f noise in individual semiconducting carbon nanotubes (s-CNT) in a field effect transistor configuration has been measured in ultra-high vacuum and following exposure to air. The amplitude of the normalized current spectral noise…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Masa Ishigami , J. H. Chen , E. D. Williams , D. Tobias , Y. F. Chen , M. S. Fuhrer

Fluctuations in the fluorescence from macroscopic ensembles of colloidal semiconductor quantum dots have the spectral form of 1/f noise. The measured power spectral density reflects the fluorescence intermittency of individual dots with…

Materials Science · Physics 2009-11-10 Matthew Pelton , David Grier , Philippe Guyot-Sionnest
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