Even odder after twenty-three years: the superconducting order parameter puzzle of Sr2RuO4
In this short review, we aim to provide a topical update on the status of efforts to understand
the superconductivity of Sr2RuO4. We concentrate on efforts to identify a superconducting …
the superconductivity of Sr2RuO4. We concentrate on efforts to identify a superconducting …
Recent progress on superconductors with time-reversal symmetry breaking
Superconductivity and magnetism are adversarial states of matter. The presence of
spontaneous magnetic fields inside the superconducting state is, therefore, an intriguing …
spontaneous magnetic fields inside the superconducting state is, therefore, an intriguing …
Chiral superconductors
C Kallin, J Berlinsky - Reports on Progress in Physics, 2016 - iopscience.iop.org
Chiral superconductivity is a striking quantum phenomenon in which an unconventional
superconductor spontaneously develops an angular momentum and lowers its free energy …
superconductor spontaneously develops an angular momentum and lowers its free energy …
Strong peak in Tc of Sr2RuO4 under uniaxial pressure
INTRODUCTION A central challenge of modern condensed matter physics is to understand
the range of possible collective states formed by assemblies of strongly interacting electrons …
the range of possible collective states formed by assemblies of strongly interacting electrons …
Reduction of the Spin Susceptibility in the Superconducting State of Observed by Polarized Neutron Scattering
Recent observations [A. Pustogow, Nature (London) 574, 72 (2019). NATUAS 0028-0836
10.1038/s41586-019-1596-2] of a drop of the O 17 nuclear magnetic resonance (NMR) …
10.1038/s41586-019-1596-2] of a drop of the O 17 nuclear magnetic resonance (NMR) …
Constraints on the superconducting state of from elastocaloric measurements
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 …
symmetry has not been fully clarified, despite more than two decades of intensive research …
Micron-scale measurements of low anisotropic strain response of local in
CA Watson, AS Gibbs, AP Mackenzie, CW Hicks… - Physical Review B, 2018 - APS
Strontium ruthenate (Sr 2 RuO 4) is a multiband superconductor that displays evidence of
topological superconductivity, although a model of the order parameter that is consistent …
topological superconductivity, although a model of the order parameter that is consistent …
Large Chern Number and Edge Currents in
T Scaffidi, SH Simon - Physical Review Letters, 2015 - APS
We show from a weak-coupling microscopic calculation that the most favored chiral
superconducting order parameter in Sr 2 RuO 4 has a Chern number of| C|= 7. The two …
superconducting order parameter in Sr 2 RuO 4 has a Chern number of| C|= 7. The two …
The search for spontaneous edge currents in Sr2RuO4 mesa structures with controlled geometrical shapes
Scanning Hall microscopy has been used to search for spontaneous edge fields in
geometrically shaped mesa structures etched into the ab surface of Sr2RuO4 single crystals …
geometrically shaped mesa structures etched into the ab surface of Sr2RuO4 single crystals …
Time-reversal invariant superconductivity of revealed by Josephson effects
S Kashiwaya, K Saitoh, H Kashiwaya, M Koyanagi… - Physical Review B, 2019 - APS
Sr 2 RuO 4 is one of the most promising candidates of a topological superconductor with
broken time-reversal symmetry because a number of experiments have revealed evidence …
broken time-reversal symmetry because a number of experiments have revealed evidence …