DocumentCode
3667143
Title
Resistance fluctuations near the Berezinskii-Kosterlitz-Thouless transition temperature in low dimensional superconductors
Author
Gopi Nath Daptary;Hemanta Kumar Kundu;John Jesudasan;Pramod Kumar;Anjana Dogra;Pratap Raychaudhuri;R. C. Budhani;Aveek Bid
Author_Institution
Department of Physics, Indian Institute of Science, Bangalore 560012, India
fYear
2015
fDate
6/1/2015 12:00:00 AM
Firstpage
1
Lastpage
4
Abstract
We have studied resistance fluctuations in two different types of two-dimensional superconductors near to the Bcrczinskii-Kostcrlitz-Thoulcss (BKT) transition. The power spectral density of the resistance fluctuations was seen to deviate from 1/f as transition temperature is approached. We find that the shape of the spectrum can not be explained by a model for local defect fluctuations. Probability distribution function(PDF) and voltage-voltage auto-correlation functions provides evidence of the non-Gaussian nature of the resistance fluctuations near the BKT transition.
Keywords
"Fluctuations","Resistance","Noise","Temperature measurement","Superconducting transition temperature","Physics","Electrical resistance measurement"
Publisher
ieee
Conference_Titel
Noise and Fluctuations (ICNF), 2015 International Conference on
Type
conf
DOI
10.1109/ICNF.2015.7288555
Filename
7288555
Link To Document