Modelling ageing phenomenon in ferroelectrics via a Landau-type phenomenological model

2020 ◽  
Vol 30 (1) ◽  
pp. 015017
Author(s):  
Xuan He ◽  
Haoyuan Du ◽  
Dan Wang ◽  
Linxiang Wang ◽  
Roderick Melnik
2007 ◽  
Vol 2 (Supplement 1) ◽  
pp. 19-30
Author(s):  
Miklós Horváth ◽  
Endre Kiss

1984 ◽  
Author(s):  
R. N. Carlile ◽  
M. E. Righettini

1992 ◽  
Vol 06 (05n06) ◽  
pp. 509-526
Author(s):  
Subir Sachdev

A phenomenological model, F, of the superconducting phase of systems with spin-charge separation and antiferromagnetically induced pairing is studied. Above Hc1, magnetic flux can always pierce the superconductor in vortices with flux hc/2e, but regimes are found in which vortices with flux hc/e are preferred. Little-Park and other experiments, which examine periodicities with a varying magnetic field, always observe a period of hc/2e. The low energy properties of a symplectic large-N expansion of a model of the cuprate superconductors are argued to be well described by F. This analysis and some normal state properties of the cuprates suggest that hc/e vortices should be stable at the lowest dopings away from the insulating state at which superconductivity first occurs.


2021 ◽  
Vol 920 ◽  
Author(s):  
Ashik Ullah Mohammad Masuk ◽  
Yinghe Qi ◽  
Ashwanth K.R. Salibindla ◽  
Rui Ni

Abstract


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