Superconductivity and local inversion-symmetry breaking

MH Fischer, M Sigrist, DF Agterberg… - Annual Review of …, 2023 - annualreviews.org
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 …

Electronic landscape of the f-electron intermetallics with the ThCr2Si2 structure

Y Lai, JY Chan, RE Baumbach - Science Advances, 2022 - science.org
Although strongly correlated f-electron systems are well known as reservoirs for quantum
phenomena, a persistent challenge is to design specific states. What is often missing are …

Field-Angle Dependence Reveals Odd-Parity Superconductivity in

JF Landaeta, P Khanenko, DC Cavanagh, C Geibel… - Physical Review X, 2022 - APS
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 …

Observation of Antiferromagnetic Order as Odd-Parity Multipoles inside the Superconducting Phase in

M Kibune, S Kitagawa, K Kinjo, S Ogata, M Manago… - Physical review …, 2022 - APS
Spatial inversion symmetry in crystal structures is closely related to the superconducting
(SC) and magnetic properties of materials. Recently, several theoretical proposals that …

Triplet Pairing Mechanisms from Hund's-Kondo Models: Applications to and

T Hazra, P Coleman - Physical review letters, 2023 - APS
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 …

Discovery of Magnetic Phase Transitions in Heavy-Fermion Superconductor

G Chajewski, D Kaczorowski - Physical Review Letters, 2024 - APS
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 …

Parity transition of spin-singlet superconductivity using sublattice degrees of freedom

S Ogata, S Kitagawa, K Kinjo, K Ishida, M Brando… - Physical review …, 2023 - APS
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 …

Nonsymmorphic symmetry and field-driven odd-parity pairing in

DC Cavanagh, T Shishidou, M Weinert, PMR Brydon… - Physical Review B, 2022 - APS
Recently, evidence has emerged for a field-induced even-to odd-parity superconducting
phase transition in Ce Rh 2 As 2 [S. Khim, Science 373, 1012 (2021)] 10.1126/science …

Even-odd parity transition in strongly correlated locally noncentrosymmetric superconductors: Application to

K Nogaki, Y Yanase - Physical Review B, 2022 - APS
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 …

Coexistence of near- Flat Band and Van Hove Singularity in a Two-Phase Superconductor

X Chen, L Wang, J Ishizuka, R Zhang, K Nogaki… - Physical Review X, 2024 - APS
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 …