In general a superconducting state breaks multiple symmetries and, therefore, is characterized by several different coherence lengths ξ i, i= 1,…, N. Moreover in multiband …
In contrast to single-component superconductors, which are described at the level of Ginzburg-Landau theory by a single parameter κ and are divided in type-I κ< 1/2 and type-II …
The recent discovery of iron pnictide superconductors has resulted in a rapidly growing interest in multiband models with more than two bands. In this work we specifically focus on …
E Babaev, M Silaev - Journal of superconductivity and novel magnetism, 2013 - Springer
Usual superconductors are classified into two categories: of type-1 when the ratio of the magnetic field penetration length (λ) to coherence length (ξ) κ=λ/ξ<1/2 and of type-2 when …
We show that in multiband superconductors, even an extremely small interband proximity effect can lead to a qualitative change in the interaction potential between superconducting …
RG Dias, AM Marques - Superconductor Science and Technology, 2011 - iopscience.iop.org
We show that a clean multiband superconductor may display one or several phase transitions with increasing temperature from or to chiral superconducting states with broken …
YA Izyumov, VM Laptev - Phase Transitions: A Multinational …, 1990 - Taylor & Francis
The phenomenological theory of superconductors with a many-component order parameter (OP) is developed. On the basis of a generalized Ginzburg-Landau functional, equations for …
M Silaev, E Babaev - Physical Review B—Condensed Matter and Materials …, 2011 - APS
Microscopic theory of type-1.5 superconductivity in multiband systems Page 1 PHYSICAL REVIEW B 84, 094515 (2011) Microscopic theory of type-1.5 superconductivity in multiband …
RG Dias - Physical Review B—Condensed Matter and Materials …, 2005 - APS
We present a study of Zeeman splitting effects in the phase diagram of multiple-band superconductors. In the particular case of a two-band superconductor, several free energy …