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The key challenge in superconductivity research is to go beyond thehistorical mode of discovery-driven research. We put forth a new strategy,which is to combine theoretical developments in the weak-couplingrenormalization group approach with the experimental developments in latticestrain driven Fermi surface-engineering. For concreteness we theoreticallyinvestigate how superconducting tendencies will be affected by strainengineering of ruthenates' Fermi surface. We first demonstrate that ourapproach qualitatively reproduces recent experiments under uniaxial strain. Wethen note that order few $\%$ strain readily accessible to epitaxial thinfilms, can bring the Fermi surface close to van Hove singularity. Using theexperimental observation of the change in the Fermi surface under biaxialepitaxial strain and ab-initio calculations, we predict ${\rm T}_{\rm c}$ fortriplet pairing to be maximized by getting close to the van Hove singularitieswithout tuning on to the singularity.

Manipulating superconductivity in ruthenates through Fermi surface engineering