Evolution in the time series of vortex velocity fluctuations across different regimes of vortex flow

Investigations of vortex velocity fluctuation in time domain have revealed a presence of low frequency velocity fluctuations which evolve with the different driven phases of the vortex state in a single crystal of 2H-NbSe2. The observation of velocity fluctuations with a characteristic low frequency...

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Bibliographic Details
Published inPhysica. C, Superconductivity Vol. 470; no. SUP1; pp. S830 - S831
Main Authors Banerjee, S.S., Sinha, Jaivardhan, Mohan, Shyam, Sood, A.K., Ramakrishnan, S., Grover, A.K.
Format Journal Article Conference Proceeding
LanguageEnglish
Published Amsterdam Elsevier B.V 01.12.2010
Elsevier
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Driven vortex matter
Exact sciences and technology
Nonlinear response
Physics
Properties of type I and type II superconductors
Superconductivity
Velocity fluctuations
Vortex lattices ,flux pinning, flux creep
Weak pinning
Nonlinear response
Velocity fluctuations
Weak pinning
Driven vortex matter
Fluctuations
Monocrystals
Superconductors
Niobium selenides
Vortices
Time series
Vortex motion
Non linear effect
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Summary:Investigations of vortex velocity fluctuation in time domain have revealed a presence of low frequency velocity fluctuations which evolve with the different driven phases of the vortex state in a single crystal of 2H-NbSe2. The observation of velocity fluctuations with a characteristic low frequency is associated with the onset of nonlinear nature of vortex flow deep in the driven elastic vortex state.
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2009.11.159