Superconductivity and local inversion-symmetry breaking
Inversion and time reversal are essential symmetries for the structure of Cooper pairs in
superconductors. The loss of one or both leads to modifications to this structure and can …
superconductors. The loss of one or both leads to modifications to this structure and can …
Field-Angle Dependence Reveals Odd-Parity Superconductivity in
CeRh 2 As 2 is an unconventional superconductor with multiple superconducting phases
and T c= 0.26 K. When H∥ c, it shows a field-induced transition at μ 0 H*= 4 T from a low …
and T c= 0.26 K. When H∥ c, it shows a field-induced transition at μ 0 H*= 4 T from a low …
Triplet Pairing Mechanisms from Hund's-Kondo Models: Applications to and
Observing that several U and Ce based candidate triplet superconductors share a common
structural motif, with pairs of magnetic atoms separated by an inversion center, we …
structural motif, with pairs of magnetic atoms separated by an inversion center, we …
Discovery of Magnetic Phase Transitions in Heavy-Fermion Superconductor
We report on the specific heat studies performed on a new generation of CeRh 2 As 2 single
crystals. Superior quality of the samples and dedicated experimental protocol allowed us to …
crystals. Superior quality of the samples and dedicated experimental protocol allowed us to …
Parity transition of spin-singlet superconductivity using sublattice degrees of freedom
Recently, a superconducting (SC) transition from low-field (LF) to high-field (HF) SC states
was reported in CeRh 2 As 2, indicating the existence of multiple SC states. It has been …
was reported in CeRh 2 As 2, indicating the existence of multiple SC states. It has been …
Even-odd parity transition in strongly correlated locally noncentrosymmetric superconductors: Application to
The discovery of the multiple HT phase diagram of CeRh 2 As 2 offers a new route to
designing topological superconductors. Although weak-coupling theories explain the …
designing topological superconductors. Although weak-coupling theories explain the …
Coexistence of near- Flat Band and Van Hove Singularity in a Two-Phase Superconductor
Quantum many-body systems, particularly, the ones with large near-EF density states, are
well known for exhibiting rich phase diagrams as a result of enhanced electron correlations …
well known for exhibiting rich phase diagrams as a result of enhanced electron correlations …
Exploring possible Fermi surface nesting and the nature of heavy quasiparticles in the spin-triplet superconductor candidate
B Chen, H Liu, QY Wu, C Zhang, XQ Ye, YZ Zhao… - Physical Review B, 2024 - APS
In this Letter, we investigate the electronic structure of a spin-triplet superconductor
candidate CeRh 2 As 2 using high-resolution angle-resolved photoemission spectroscopy …
candidate CeRh 2 As 2 using high-resolution angle-resolved photoemission spectroscopy …
Multiple superconducting phases in heavy-fermion metals
Symmetry breaking beyond a global U (1) phase is the key signature of unconventional
superconductors. As prototypical strongly correlated materials, heavy-fermion metals …
superconductors. As prototypical strongly correlated materials, heavy-fermion metals …
Topological crystalline superconductivity in locally noncentrosymmetric
Recent discovery of superconductivity in CeRh 2 As 2 clarified an unusual HT phase
diagram with two superconducting phases [Khim et al. Science, 373, 1012 (2021) …
diagram with two superconducting phases [Khim et al. Science, 373, 1012 (2021) …