Superconductivity through Quantum Critical Fluctuations in the ...
Superconductivity through Quantum Critical Fluctuations in the ...
Superconductivity through Quantum Critical Fluctuations in the ...
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Ord<strong>in</strong>ary Tunnel<strong>in</strong>g measurements: not useful forf<strong>in</strong>ite angular momentum pair<strong>in</strong>g.But ARPES can be used <strong>in</strong> this case.Procedure suggested : (Vekhter and cmv (2002))Extract from <strong>the</strong> data us<strong>in</strong>g Eliashberg Equations:XF`(k, !) ⌘ g 2 (k, k 0 )F (k, k 0 ,!)P`(k 0 )k 0Need to deduce bothF 0 (k, !) and F 2 (k, !)Requirements on <strong>the</strong> data are very severe.The requirements are beg<strong>in</strong>n<strong>in</strong>g to be met.Must also check <strong>the</strong> validity of <strong>the</strong> Eliashberg Equations