Superconductivity with broken time-reversal symmetry inside a superconducting s-wave state
In general, magnetism and superconductivity are antagonistic to each other. However, there
are several families of superconductors in which superconductivity coexists with magnetism …
are several families of superconductors in which superconductivity coexists with magnetism …
Strong correlations, strong coupling, and -wave superconductivity in hole-doped single crystals
We present a comprehensive study of the low-temperature heat capacity and thermal
expansion of single crystals of the hole-doped Ba 1− x K x Fe 2 As 2 series (0< x< 1) and the …
expansion of single crystals of the hole-doped Ba 1− x K x Fe 2 As 2 series (0< x< 1) and the …
Superconductivity with broken time-reversal symmetry in ion-irradiated single crystals
Over the past years a lot of theoretical and experimental effort has been made to find states
with broken time-reversal symmetry (BTRS) in multiband superconductors. In particular, it …
with broken time-reversal symmetry (BTRS) in multiband superconductors. In particular, it …
Energy gap evolution across the superconductivity dome in single crystals of (Ba1−xKx)Fe2As2
K Cho, M Kończykowski, S Teknowijoyo… - Science …, 2016 - science.org
The mechanism of unconventional superconductivity in iron-based superconductors (IBSs)
is one of the most intriguing questions in current materials research. Among non-oxide …
is one of the most intriguing questions in current materials research. Among non-oxide …
Hund interaction, spin-orbit coupling, and the mechanism of superconductivity in strongly hole-doped iron pnictides
O Vafek, AV Chubukov - Physical review letters, 2017 - APS
We present a novel mechanism of s-wave pairing in Fe-based superconductors. The
mechanism involves holes near dxz/dyz pockets only and is applicable primarily to strongly …
mechanism involves holes near dxz/dyz pockets only and is applicable primarily to strongly …
Using electron irradiation to probe iron-based superconductors
K Cho, M Kończykowski, S Teknowijoyo… - Superconductor …, 2018 - iopscience.iop.org
High-energy electron irradiation at low temperatures is an efficient and controlled way to
create vacancy–interstitial Frenkel pairs in a crystal lattice, thereby inducing nonmagnetic …
create vacancy–interstitial Frenkel pairs in a crystal lattice, thereby inducing nonmagnetic …
Comprehensive scenario for single-crystal growth and doping dependence of resistivity and anisotropic upper critical fields in (BaK)FeAs ()
Y Liu, MA Tanatar, WE Straszheim, B Jensen… - Physical Review B, 2014 - APS
Large high-quality single crystals of hole-doped iron-based superconductor (Ba 1− x K x) Fe
2 As 2 were grown over a broad composition range 0.22≤ x≤ 1 by inverted temperature …
2 As 2 were grown over a broad composition range 0.22≤ x≤ 1 by inverted temperature …
superconductivity with incipient bands: Doping dependence and STM signatures
Motivated by the recent observations of small Fermi energies and comparatively large
superconducting gaps, present also on bands not crossing the Fermi energy (incipient …
superconducting gaps, present also on bands not crossing the Fermi energy (incipient …
Concealed d-wave pairs in the s± condensate of iron-based superconductors
T Ong, P Coleman, J Schmalian - Proceedings of the …, 2016 - National Acad Sciences
A central question in iron-based superconductivity is the mechanism by which the paired
electrons minimize their strong mutual Coulomb repulsion. In most unconventional …
electrons minimize their strong mutual Coulomb repulsion. In most unconventional …
Thermoelectric signatures of time-reversal symmetry breaking states in multiband superconductors
We show that superconductors with broken time-reversal symmetry have very specific
magnetic and electric responses to inhomogeneous heating. A local heating of such …
magnetic and electric responses to inhomogeneous heating. A local heating of such …