نتایج جستجو برای: energy gaps
تعداد نتایج: 715617 فیلتر نتایج به سال:
The conformations of proteins and protein-protein complexes observed in nature must be low in free energy relative to alternative (not observed) conformations, and it is plausible (but not absolutely necessary) that the electrostatic free energies of experimentally observed conformations are also low relative to other conformations. Starting from this assumption, we evaluate alternative models ...
this research is about the political economy of china in central asia. in this research the political & economic interactions affected on chinas political economy in central asia are examined. chinas goal of presence in central asia including political-security, economic and energy goals is described in one part. in another part, the trade relations between china and central asian countries ar...
We consider the Schrödinger operator with a periodic potential on quasi-1D models of armchair single-wall nanotubes. The spectrum of this operator consists of an absolutely continuous part (intervals separated by gaps) plus an infinite number of eigenvalues with infinite multiplicity. We describe the absolutely continuous spectrum of the Schrödinger operator: 1) the multiplicity, 2) endpoints o...
Experimental support is found for the multiband model of the superconductivity in the recently discovered system MgB(2) with the transition temperature T(c) = 39 K. By means of Andreev reflection, evidence is obtained for two distinct superconducting energy gaps. The sizes of the two gaps ( Delta(S) = 2.8 meV and Delta(L) = 7 meV) are, respectively, smaller and larger than the expected weak cou...
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