Voltage noise, switching rates, and multiple phase-slips in moderately damped Josephson junctions

Zonda, Martin; Belzig, Wolfgang; Novotny, Tomas

Voltage noise, switching rates, and multiple phase-slips in moderately damped Josephson junctions

Dateien

Zonda_258255.pdfGröße: 284.96 KBDownloads: 94

Datum

2013

Autor:innen

Zonda, Martin

Belzig, Wolfgang

Novotny, Tomas

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Physik

Publikationstyp

Preprint

Publikationsstatus

Published

Zusammenfassung

We study the voltage noise properties including the switching rates and statistics of phase-slips in moderately damped Josephson junctions using a novel efficient numerical approach combining the matrix continued-fraction method with the full counting statistics. By analyzing the noise results obtained for the RCSJ model we identify different dominating components, namely the thermal noise close to equilibrium (small current-bias regime), the shot noise of (multiple) phase-slips in the intermediate range of biases and the switching noise for yet higher bias currents. We extract thus far inaccessible characteristic rates of phase-slips in the shot noise regime as well as the escape and retrapping rates in the switching regime as functions of various junction’s parameters. The method can be extended and applied to other experimentally relevant Josephson junction circuits.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

ZONDA, Martin, Wolfgang BELZIG, Tomas NOVOTNY, 2013. Voltage noise, switching rates, and multiple phase-slips in moderately damped Josephson junctions

BibTex

@unpublished{Zonda2013Volta-25825,
  year={2013},
  title={Voltage noise, switching rates, and multiple phase-slips in moderately damped Josephson junctions},
  author={Zonda, Martin and Belzig, Wolfgang and Novotny, Tomas}
}

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