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相关论文: Universal First-Passage-Time Distribution of Non-G…

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In the resonant tunneling regime sequential processes dominate single electron transport through quantum dots or molecules that are weakly coupled to macroscopic electrodes. In the Coulomb blockade regime, however, cotunneling processes…

介观与纳米尺度物理 · 物理学 2018-12-12 Samuel L. Rudge , Daniel S. Kosov

We derive a thermodynamic uncertainty relation (TUR) for first-passage times (FPTs) on continuous time Markov chains. The TUR utilizes the entropy production coming from bidirectional transitions, and the net flux coming from unidirectional…

统计力学 · 物理学 2021-08-11 Arnab Pal , Shlomi Reuveni , Saar Rahav

Statistical properties of the electron transport flowing through nanostructures are strongly influenced by the interactions, geometry of the system and/or by type of the external electrodes. These factors affect not only the average current…

介观与纳米尺度物理 · 物理学 2020-06-03 Grzegorz Michałek , Bogdan R. Bułka , Tadeusz Domański , Karol I. Wysokiński

Motivated by the dynamics of resonant neurons we consider a differentiable, non-Markovian random process $x(t)$ and particularly the time after which it will reach a certain level $x_b$. The probability density of this first passage time is…

统计力学 · 物理学 2009-11-11 T. Verechtchaguina , I. M. Sokolov , L. Schimansky-Geier

We measure the full distribution of current fluctuations in a single-electron transistor with a controllable bistability. The conductance switches randomly between two levels due to the tunneling of single electrons in a separate…

介观与纳米尺度物理 · 物理学 2017-01-04 S. Singh , J. T. Peltonen , I. M. Khaymovich , J. V. Koski , C. Flindt , J. P. Pekola

Randomly-distributed offset charges affect the nonlinear current-voltage property via the fluctuation of the threshold voltage of Coulomb blockade arrays. We analytically derive the distribution of the threshold voltage for a model of…

统计力学 · 物理学 2012-02-16 Takayuki Narumi , Masaru Suzuki , Yoshiki Hidaka , Tetsuya Asai , Shoichi Kai

We investigate the work fluctuations in an overdamped non-equilibrium process that is stopped at a stochastic time. The latter is characterized by a first passage event that marks the completion of the non-equilibrium process. In…

统计力学 · 物理学 2024-03-20 Iago N Mamede , Prashant Singh , Arnab Pal , Carlos E. Fiore , Karel Proesmans

We report the measurement of the third moment of current fluctuations in a short metallic wire at low temperature. The data are deduced from the statistics of voltage fluctuations across the conductor using a careful determination of…

介观与纳米尺度物理 · 物理学 2018-07-18 Edouard Pinsolle , Samuel Houle , Christian Lupien , Bertrand Reulet

We propose a unifying theoretical framework for the analysis of first-passage time distributions in two important classes of stochastic processes in which the diffusivity of a particle evolves randomly in time. In the first class of…

统计力学 · 物理学 2019-11-05 D. S. Grebenkov

The fluctuations and the distribution of the conductance peak spacings of a quantum dot in the Coulomb-blockade regime are studied and compared with the predictions of random matrix theory (RMT). The experimental data were obtained in…

介观与纳米尺度物理 · 物理学 2009-10-30 F. Simmel , T. Heinzel , D. A. Wharam

The first-passage time is proposed as an independent thermodynamic parameter of the statistical distribution that generalizes the Gibbs distribution. The theory does not include the determination of the first passage statistics itself. A…

统计力学 · 物理学 2022-08-22 V. V. Ryazanov

We have analyzed Coulomb drag between currents of interacting electrons in two parallel one-dimensional conductors of finite length $L$ attached to external reservoirs. For strong coupling, the relative fluctuations of electron density in…

凝聚态物理 · 物理学 2009-10-31 Vadim Ponomarenko , Dmitri Averin

We investigate bias-driven non-equilibrium quantum phase transitions in a paradigmatic quantum-transport setup: an interacting quantum dot coupled to non-interacting metallic leads. Using the Random Phase Approximation, which is exact in…

强关联电子 · 物理学 2026-01-29 José F. B. Afonso , Stefan Kirchner , Pedro Ribeiro

Interesting theoretical problems of target search or threshold crossing, formally known as {\it first passage}, often arise in both diffusive transport problems as well as problems of chemical reaction kinetics. We study three systems…

统计力学 · 物理学 2025-10-22 Hillol Kumar Barman , Pathik Das , Syed Yunus Ali

The first passage times for enzymatic turnovers in non-equilibrium steady state display a statistical symmetry property related to non-equilibrium fluctuation theorems, that makes it possible to extract the chemical driving force from…

生物物理 · 物理学 2008-12-10 Martin Lindén

First-passage properties are central to the kinetics of target-search processes. Theoretical approaches so far primarily focused on predicting first-passage statistics for a given process or model. In practice, however, one faces the…

统计力学 · 物理学 2025-01-08 Rick Bebon , Aljaz Godec

We study the thermoelectric transport of a small metallic island weakly coupled to two electrodes by tunnel junctions. In the Coulomb blockade regime, in the case when the ground state of the system corresponds to an even number of…

介观与纳米尺度物理 · 物理学 2015-06-23 A. S. Vasenko , D. M. Basko , F. W. J. Hekking

Employing a real time effective action formalism we analyze electron transport and current fluctuations in comparatively short coherent conductors in the presence of electron-electron interactions. We demonstrate that, while Coulomb…

介观与纳米尺度物理 · 物理学 2009-11-11 Dmitri S. Golubev , Artem V. Galaktionov , Andrei D. Zaikin

We discuss the possibility to generate in Coulomb-blockade systems steady states that violate detailed balance. This includes both voltage biased and non-biased scenarios. The violation of detailed balance yields that the charge-transfer…

介观与纳米尺度物理 · 物理学 2017-05-23 Philipp Stegmann , Jürgen König

We consider a nonstationary array of conductors, connected by resistances that fluctuate with time. The charge transfer between a particular pair of conductors is supposed to be dominated by "electrical breakdowns" -- the moments when the…

介观与纳米尺度物理 · 物理学 2017-03-30 A. S. Ioselevich , V. V. Sivak