Constraints on the superconducting state of from elastocaloric measurements

G Palle, C Hicks, R Valentí, Z Hu, YS Li, A Rost… - Physical Review B, 2023 - APS
Strontium ruthenate Sr 2 RuO 4 is an unconventional superconductor whose pairing
symmetry has not been fully clarified, despite more than two decades of intensive research …

Enhanced superconductivity and ferroelectric quantum criticality in plastically deformed strontium titanate

S Hameed, D Pelc, ZW Anderson, A Klein… - Nature materials, 2022 - nature.com
The properties of quantum materials are commonly tuned using experimental variables such
as pressure, magnetic field and doping. Here we explore a different approach using …

Spontaneous time-reversal symmetry breaking by disorder in superconductors

BM Andersen, A Kreisel, PJ Hirschfeld - Frontiers in Physics, 2024 - frontiersin.org
A growing number of superconducting materials display evidence for spontaneous time-
reversal symmetry breaking (TRSB) below their critical transition temperatures. Precisely …

Evidence for even parity unconventional superconductivity in Sr2RuO4

A Chronister, A Pustogow… - Proceedings of the …, 2021 - National Acad Sciences
Unambiguous identification of the superconducting order parameter symmetry in Sr 2 RuO 4
has remained elusive for more than a quarter century. While a chiral p-wave ground state …

High-sensitivity heat-capacity measurements on Sr2RuO4 under uniaxial pressure

YS Li, N Kikugawa, DA Sokolov… - Proceedings of the …, 2021 - National Acad Sciences
A key question regarding the unconventional superconductivity of S r 2 R u O 4 remains
whether the order parameter is single-or two-component. Under a hypothesis of two …

Leading superconducting instabilities in three-dimensional models for

AT Rømer, TA Maier, A Kreisel, PJ Hirschfeld… - Physical Review …, 2022 - APS
The unconventional superconductor Sr 2 RuO 4 has been the subject of enormous interest
over more than two decades, but until now the form of its order parameter has not been …

Heat capacity double transitions in time-reversal symmetry broken superconductors

HS Røising, G Wagner, M Roig, AT Rømer… - Physical Review B, 2022 - APS
Standard superconductors display a ubiquitous discontinuous jump in the electronic specific
heat at the critical superconducting transition temperature. In a growing class of …

Superconductivity in correlated multiorbital systems with spin-orbit coupling: Coexistence of even- and odd-frequency pairing, and the case of

O Gingras, N Allaglo, R Nourafkan, M Côté… - Physical Review B, 2022 - APS
The superconducting order parameter of strontium ruthenate is the center of a lasting puzzle
calling for theoretical studies that include the seldom-considered effects of spin-orbit …

The superconductivity of Sr2RuO4 under c-axis uniaxial stress

F Jerzembeck, HS Røising, A Steppke… - Nature …, 2022 - nature.com
Applying in-plane uniaxial pressure to strongly correlated low-dimensional systems has
been shown to tune the electronic structure dramatically. For example, the unconventional …

Signatures of chiral superconductivity in rhombohedral graphene

T Han, Z Lu, Y Yao, L Shi, J Yang, J Seo, S Ye… - arXiv preprint arXiv …, 2024 - arxiv.org
Chiral superconductors are unconventional superconducting states that break time reversal
symmetry spontaneously and typically feature Cooper pairing at non-zero angular …