使更活跃
发表于 2025-3-27 00:57:49
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collateral
发表于 2025-3-27 03:53:58
Toshiki Iwasaki,Masahiro Sawadas voltage, ., on achieving of high current densities, 10. A/cm.. These features in . are observed when the electron flow is directed from the nonmagnetic metal into the ferromagnet and connected with magnetization excitations in the ferromagnet induced by the current. Applying an external magnetic f
眉毛
发表于 2025-3-27 07:40:05
Stefan Wesner,Sabine Roller,Harald Klimachrst, we review the present situation of the superconductivity in MgB., which can be interpreted in terms of BCS-type phonon-mediated pairing. In particular, we focus on the relationship between the superconductivity and the electronic structure in MgB. and two gap feature. Second, we review our pres
征服
发表于 2025-3-27 11:20:14
G. Geiser,H. Foysi,W. Schröder,M. Meinkeantum condensates. This mechanism provides the Tc amplification in particular nanoscale material architectures like superlattices of metallic layers. The Feshbach resonance is reached by tuning the chemical potential to a Van Hove-Lifshitz singularity (vHs) in the electronic energy spectrum associat
控制
发表于 2025-3-27 15:51:59
Michael Resch,Xin Wang,Sabine Rolleret al., 2001; Golubov et al., 2002; Choi et al., 2002; Dahm, 2005). The two significantly different gaps exist on disconnected parts of the Fermi surface: a small gap (~2 meV) on the π bands and a large gap (~7 meV) residing on the σ bands. This leads to a number of peculiar consequences both in its
Inexorable
发表于 2025-3-27 21:03:50
Xiaowei Xu,Jochen Jäger,Hans-Peter Kriegelexpressions for thermodynamic characteristics obtained. The dependence of superconducting gaps on Al doping are presented with the ⊿. crossing at . = 0.38. The calculated anisotropy coefficients for the MgB. critical magnetic fields agree with the experiment.
全能
发表于 2025-3-28 01:28:56
,Change-Coaching für High Performer,orresponding to a nanosize two-gap superconductivity is presented, and the partition function of the nanosize system is analytically derived by using a path integral approach. A definition of the critical level spacing of the two-gap superconductivity is also presented, and we discuss condensation e
小教堂
发表于 2025-3-28 04:01:25
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bypass
发表于 2025-3-28 10:00:46
https://doi.org/10.1007/978-94-011-0685-6d state are reviewed and discussed in the context of various theoretical frameworks. The increase observed in overdoped samples is compatible with a BCS condensation, while the decrease seen in underdoped samples is not. The significance of the sign reversal at or near optimum doping is given specia
独行者
发表于 2025-3-28 11:39:48
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