Physics and Astronomy Classification Scheme 1999

74.20.-z Theories and models of superconducting state ( 0 Dok. )

• 74.20.De Phenomenological theories (two-fluid, ginzburg-Landau, etc.) ( 0 Dok. )
• 74.20.Fg BCS theory and its development ( 0 Dok. )
• 74.20.Mn Nonconventional mechanisms (spin fluctuations, polarons and bipolarons, resonating valence bond model, anyon mechanism, marginal Fermi liquid, Luttinger liquid, etc.) ( 0 Dok. )