Limit cycle theory of temporal current self-oscillations in sequential tunneling of superlattices

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dc.creatorWang, X. R.
dc.creatorSun, Z. Z.
dc.creatorDuan, S. Q.
dc.creatorWang, Shi-dong
dc.date2002-11-15
dc.date2002-11-21
dc.date.accessioned2026-07-07T02:48:12Z
dc.date.available2026-07-07T02:48:12Z
dc.descriptionA unified theory of the temporal current self-oscillations is presented. We establish these oscillations as the manifestations of limit cycles, around unstable steady-state solutions caused by the negative differential conductance. This theory implies that both the generation and the motion of an electric-field domain boundary are universal in the sense that they do not depend on the initial conditions. Under an extra weak ac bias with a frequency $ω_{ac}$, the frequency must be either $ω_{ac}$ or an integer fractional of $ω_{ac}$ if the tunneling current oscillates periodically in time, indicating the periodic doubling for this non-linear dynamical system
dc.description4 pages and 5 figures; v2: presentation improvement
dc.identifierhttps://arxiv.org/abs/cond-mat/0211306
dc.identifierhttp://arxiv.org/abs/cond-mat/0211306
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20305
dc.subjectMesoscale and Nanoscale Physics
dc.titleLimit cycle theory of temporal current self-oscillations in sequential tunneling of superlattices
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