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The Global ETD Search service is a free service for researchers
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Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 11 to 20 of 1033 (0.065 seconds)Spelling suggestions: "subject:"superconductivity"" "subject:"uperconductivity""
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Metal-ion radiotracer diffusion studies in polycrystalline YBa2Cu3O7-xCallaghan, Antonia H. C. January 1991 (has links)
No description available.
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| 12 |
Experimental studies on the size dependence of sliding charge-density wave phenomenaYetman, Paul John January 1990 (has links)
No description available.
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| 13 |
Bose-Einstein condensation of exotic electron pairs in the Extended Hubbard ModelMarchant, Melanie Erin January 1999 (has links)
No description available.
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| 14 |
Critical currents in Josephson-junction arraysDang, Edward Kai Fung January 1992 (has links)
No description available.
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| 15 |
Flux phases for correlated fermionsSchofield, Andrew John January 1992 (has links)
No description available.
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| 16 |
Non-linear dynamics of couple SQUID ring : tank circuit systemsTierney, Christopher John January 1997 (has links)
No description available.
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| 17 |
The optimisation of the heat treatment of Bi-2212Morgan, C. G. January 1997 (has links)
No description available.
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| 18 |
A laser ablation system for deposition of high Tc thin filmsOrmson, Richard January 1994 (has links)
No description available.
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| 19 |
Efeitos da pressão hidrostática sobre a supercondutividade em ligas amorfas da lantânio / Effect of hydrostatic pressure on superconductivity in lanthanum amorphous alloysBindilatti, Valdir 03 July 1981 (has links)
Medimos a temperatura de transição supercondutora, TC , dos supercondutores amorfos La80Ga20, La80Al20 e La75Al15In10, em função da pressão hidrostática (até P~11Kbar). Nesses materiais o comportamento de Tc com pressão é similar ao do lantânio cristalino e aproximadamente independente de composição. / We have measured the superconducting transiction temperature, Tc , of amorphous La80Ga20, La80Al20 and La75Al15In10, as a function of hydrostatic pressure (up to P~11 kbar). In these materials the P-dependence of Tc is similar to that of crystalline La rougly independent of a alloy composition.
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| 20 |
Nerovnovážná supravodivost / Nerovnovážná supravodivostHopjan, Miroslav January 2012 (has links)
In the present thesis we study superconductivity using approaches based on the two-particle T-matrix. With the multiple scattering corrections the Galitskii- Feynman ladder T-matrix approximation becomes applicable to the supercon- ducting state. This theory describes the superconducting and normal states within the same approximation. In this thesis, the original equilibrium theory is generalized to nonequilibrium systems using the generalized Kadanoff-Baym formalizm. The obtained theory of nonequilibrium superconductors is suitable for bulk systems where the momentum is a good quantum number. We have reformulated the theory for nanosystems, where the momentum is no longer a good quantum number. The modification was aimed at nanospheres, where one can benefit from the expansion in eigenstates of the angular momentum. High degeneracy of energy levels leads to high critical temperatures of sheres with a magical number of electrons, which makes them good candidates for observa- tion of phenomena beyond the weak coupling limit. As a suitable experimental technique we discuss the tunneling spectroscopy. 1
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