Existence and non-existence of solutions to the Ginzburg-Landau equations in a semi-infinite superconducting film
Author:
Y. Almog
Journal:
Quart. Appl. Math. 63 (2005), 1-12
MSC (2000):
Primary 82D55
DOI:
https://doi.org/10.1090/S0033-569X-04-00943-7
Published electronically:
December 14, 2004
MathSciNet review:
2126565
Full-text PDF Free Access
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Abstract:
For the problem \begin{gather*} \frac {\psi ^{\prime \prime }}{\kappa ^2} = \psi ^{3} - \psi + A^{2}\psi , A^{\prime \prime } = \psi ^{2}A, \psi ^{\prime }(0)= \psi (\infty )=0, A^{\prime }(0)=A^{\prime }(\infty )=h , \end{gather*} it is proved for type II superconductors ($\kappa >1/\sqrt {2}$) that
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No solutions can exist for $h \leq 1/\sqrt {2}$ other than the normal state $\psi \equiv 0$, $A=hx+C$;
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Positive solutions ($\psi >0$) exist whenever $1/\sqrt {2}<h<h_{c_3}\approx 1.7\kappa$;
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As $h \downarrow 1/\sqrt {2}$, the limit of any converging subsequence satisfies $A=0, \; \psi =1$ at infinity.
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aftr99 A. Aftalion and W. C. Troy, On the solution of the one-dimensional Ginzburg-Landau equations of superconductivity, Phys. D 132 (1999), 214β232.
al99a Y. Almog, Asymptotic analysis of the one-dimensional Ginzburg-Landau equations near self-duality, Quart. Appl. Math. 57 (1999), 355β367.
baetal98 P. Bauman, D. Philips, and Q. Tang, Stable nucleation for the Ginzburg-Landau system with an applied magnetic field, Arch. Rat. Mech. Anal. 142 (1998), 1β43.
best98 A. Bernoff and P. Sternberg, Onset of superconductivity in decreasing fields for general domains, J. Math. Phys. 39 (1998), 1272β1284.
biro62 G. Birkhoff and G. Rota, Ordinary differential equations, Ginn and Company, 1962.
bohe96 C. Bolley and B. Helffer, Rigorous results on Ginzburg-Landau models in a film submitted to exterior parallel magnetic field i, Nonlinear Studies 3 (1996), 1β29.
bohe97 ---, The Ginzburg-Landau equations in a semi-infinite superconducting film in the large $\kappa$ limit, EJAM 8 (1997), 347β367.
ch94 S. J. Chapman, Nucleation of superconductivity in decreasing fields I, EJAM 5 (1994), 449β468.
ch95 ---, Asymptotic analysis of the Ginzburg-Landau model of superconductivity: Reduction to a free boundary model, Quart. Appl. Math. 53 (1995), 601β627.
chetal91 S. J. Chapman, S. D. Howison, J. B. Mcleod, and J. R. Ockendon, Normal/superconducting transition in Landau-Ginzburg theory, Proc. Roy. Soc. Edinburgh 119A (1991), 117β124.
pietal99 M. del Pino, P. L. Felmer, and P. Sternberg, Boundary concentration for eigenvalue problems related to the onset of the superconductivity, preprint.
ha02 P. Hartman, Ordinary differential equations, SIAM, 2002.
lupa99 K. Lu and X.B. Pan, Eigenvalue problems of Ginzburg-Landau operator in bounded domains, J. Math. Phys. 50 (1999), 2647β2670.
sade63 D. Saint-James and P.G. de Gennes, Onset of superconductivity in decreasing fields, Phys. Let. 7 (1963), 306β308.
se99 S. Serfaty, Stable configurations in superconductivity: Uniqueness, multiplicity, and vortex-nucleation, Arch. Ration. Mech Anal. 149 (1999), 329β365.
si75 Y. Sibuya, Global theory of a second order linear differential equation with a polynomial coefficient, North Holland, 1975.
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Additional Information
Y. Almog
Affiliation:
Faculty of Mathematics, Technion - Israel Institute of Technology, Haifa 32000, Israel
Received by editor(s):
January 21, 2003
Published electronically:
December 14, 2004
Article copyright:
© Copyright 2004
Brown University