Search results for "Spin polarised transport in semiconductor"

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Noise-induced effects in nonlinear relaxation of condensed matter systems

2015

Abstract Noise-induced phenomena characterise the nonlinear relaxation of nonequilibrium physical systems towards equilibrium states. Often, this relaxation process proceeds through metastable states and the noise can give rise to resonant phenomena with an enhancement of lifetime of these states or some coherent state of the condensed matter system considered. In this paper three noise induced phenomena, namely the noise enhanced stability, the stochastic resonant activation and the noise-induced coherence of electron spin, are reviewed in the nonlinear relaxation dynamics of three different systems of condensed matter: (i) a long-overlap Josephson junction (JJ) subject to thermal fluctuat…

PhysicsJosephson effectCondensed matter physicsStochastic processSpin polarised transport in semiconductorGeneral MathematicsApplied MathematicsQuantum noiseStochastic analysis methodsShot noiseGeneral Physics and AstronomyThermal fluctuationsResonant activationStatistical and Nonlinear PhysicsNoise processes and phenomenaSpin polarised transport in semiconductorsJosephson junctionMathematics (all)Coherent statesStochastic analysis methodSpin (physics)Noise enhanced stabilityJosephson junction; Noise enhanced stability; Noise processes and phenomena; Resonant activation; Spin polarised transport in semiconductors; Stochastic analysis methodsCoherence (physics)Chaos, Solitons & Fractals
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