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We discuss how to detect fluctuating spin currents and derive full counting statistics of electron spin transfers. It is interesting to consider several detectors in series that simultaneously monitor different components of the spins…

凝聚态物理 · 物理学 2009-11-10 Antonio Di Lorenzo , Yuli V. Nazarov

Full counting statistics is a powerful tool to characterize the noise and correlations in transport through mesoscopic systems. In this work, we propose the theory of conditional spin counting statistics, i.e., the statistical fluctuations…

介观与纳米尺度物理 · 物理学 2014-02-18 JunYan Luo , Jing Hu , XiaoLi Lang , Yu Shen , Xiao-Ling He , HuJun Jiao

We investigate the full counting statistics (FCS) of spin-conserving and spin-flip charge transitions in Pauli-spin blockade regime of a GaAs double quantum dot. A theoretical model is proposed to evaluate all spin-conserving and spin-flip…

介观与纳米尺度物理 · 物理学 2020-07-29 Sadashige Matsuo , Kazuyuki Kuroyama , Shunsuke Yabunaka , Sascha R. Valentin , Arne Ludwig , Andreas D. Wieck , Seigo Tarucha

Full counting statistics (FCS) for the transport through a molecular quantum dot magnet is studied theoretically in the incoherent tunneling regime. We consider a model describing a single-level quantum dot, magnetically coupled to an…

介观与纳米尺度物理 · 物理学 2009-11-11 Ken-Ichiro Imura , Yasuhiro Utsumi , Thierry Martin

Time-dependent driving influences the quantum and thermodynamic fluctuations of a system, changing the familiar physical picture of electronic noise which is an important source of information the about microscopic mechanism of quantum…

介观与纳米尺度物理 · 物理学 2020-11-25 Thomas D. Honeychurch , Daniel S. Kosov

The hydrodynamic transport of local conserved densities furnishes an effective coarse-grained description of the dynamics of a many-body quantum system. However, the full quantum dynamics contains much more structure beyond the simplified…

统计力学 · 物理学 2024-01-26 Sarang Gopalakrishnan , Alan Morningstar , Romain Vasseur , Vedika Khemani

The joint probability distribution in the full counting statistics (FCS) for noninteracting electrons is discussed for an arbitrary number of initially separate subsystems which are connected at t=0 and separated at a later time. A simple…

介观与纳米尺度物理 · 物理学 2015-05-13 L. Inhester , K. Schonhammer

We study the full counting statistics of electric current to several drain terminals with spin-dependent entrance conductances. We show that the statistics of charge transfers can be interpreted in terms of single electrons and spin-singlet…

介观与纳米尺度物理 · 物理学 2007-05-23 Antonio Di Lorenzo , Yuli V. Nazarov

The Full Counting Statistics (FCS) is studied for a one-dimensional system of non-interacting fermions with and without disorder. For two unbiased $L$ site lattices connected at time $t=0$, the charge variance increases as the natural…

介观与纳米尺度物理 · 物理学 2013-05-30 G. C. Levine , M. J. Bantegui , J. A. Burg

Stochastic systems feature, in general, both coherent dynamics and incoherent transitions between different states. We propose a method to identify the coherent part in the full counting statistics for the transitions. The proposal is…

介观与纳米尺度物理 · 物理学 2018-07-10 Philipp Stegmann , Jürgen König , Stephan Weiss

In quantum mechanics, the probability distribution function (PDF) and full counting statistics (FCS) play a fundamental role in characterizing the fluctuations of quantum observables, as they encode the complete information about these…

量子物理 · 物理学 2025-10-29 Lata Kh Joshi , Filiberto Ares , Manoj K. Joshi , Christian F. Roos , Pasquale Calabrese

We analyze the spin-resolved full counting statistics of electron transfer through an ultrasmall quantum dot coupled to metallic electrodes. Modelling the setup by the Anderson Hamiltonian, we explicitly take into account the onsite Coulomb…

介观与纳米尺度物理 · 物理学 2008-04-04 T. L. Schmidt , A. Komnik , A. O. Gogolin

A theoretical approach for characterising the influence of asymmetry of noise distribution on the escape rate of a multi-stable system is presented. This was carried out via the estimation of an action, which is defined as an exponential…

介观与纳米尺度物理 · 物理学 2014-02-26 I. A. Khovanov , N. A. Khovanova

We report the investigation of full-counting statistics (FCS) of transferred charge and spin in the transient regime where the connection between central scattering region (quantum dot) and leads are turned on at $t=0$. A general…

统计力学 · 物理学 2014-12-15 Gao-Min Tang , Jian Wang

We develop a theory for the full counting statistics (FCS) for a class of nanoelectromechanical systems (NEMS), describable by a Markovian generalized master equation. The theory is applied to two specific examples of current interest:…

介观与纳米尺度物理 · 物理学 2007-05-23 Christian Flindt , Tomas Novotny , Antti-Pekka Jauho

This paper studies the counting problem in random dynamical systems. We noticed that the nature of counting in the random setting is completely different than that of the deterministic systems in the sense that non-exponential growth is…

动力系统 · 数学 2024-10-01 Hamid Naderiyan

Full counting statistics (FCS) is a dynamical generalisation of the free energy, encapsulating detailed information about the distribution and large-scale correlation functions of conserved charges and their associated currents. In this…

统计力学 · 物理学 2026-01-09 Botond C. Nagy , Marton Kormos , Gabor Takacs

Entanglement between spatially separated electrons in nanoscale transport is a fundamental property, yet to be demonstrated experimentally. Here we propose and analyse theoretically the transport statistics of a generic spin entangler…

介观与纳米尺度物理 · 物理学 2015-06-18 O. Malkoc , C. Bergenfeldt , P. Samuelsson

We present a detailed analysis of two-state trajectories obtained from force-clamp spectroscopy (FCS) of reversibly bonded systems. FCS offers the unique possibility to vary the equilibrium constant in two-state kinetics, for instance the…

软凝聚态物质 · 物理学 2015-05-18 Gregor Diezemann , Thomas Schlesier , Burkhard Geil , Andreas Janshoff

Due to its probabilistic nature, a measurement process in quantum mechanics produces a distribution of possible outcomes. This distribution - or its Fourier transform known as full counting statistics (FCS) - contains much more information…

统计力学 · 物理学 2023-10-09 Bruno Bertini , Pasquale Calabrese , Mario Collura , Katja Klobas , Colin Rylands
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