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Fluctuation diamagnetism from a Ginzburg-Landau-like free energy functional for high-T_c superconductors | | Kingshuk Sarkar
; Sumilan Banerjee
; Subroto Mukerjee
; T. V. Ramakrishnan
; | | Date: |
15 Sep 2013 | | Abstract: | Using a recently proposed Ginzburg-Landau-like energy functional due to
Banerjee et. al. Phys. Rev. B 83, 024510 (2011), we calculate the fluctuation
diamagnetism of high-T_c superconductors as a function of doping concentration
x in addition to the magnetic field H and temperature T by employing classical
Monte Carlo simulations. We show that our results are in good qualitative
agreement and reasonable quantitative agreement with recent experimental data.
Our calculations show that a model of classical superconducting fluctuations
can produce features of the observed magnetization in the pseudogap region. In
particular we show that the magnetization tracks the superconducting dome and
also comment on the determination and doping dependence of H_c2(T=0). | | Source: | arXiv, 1309.3776 | | Services: | Forum | Review | PDF | Favorites | |
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