C.W.was supported by grant EP/R02992X/1 from the UK Engineering and Physical Sciences Research Council(EPSRC);C.J.P.acknowledges financial support from the Engineering and Physical Sciences Research Council(Grant EP/P022596/1);This work was performed using resources provided by the ARCHER UK National Supercomputing Service and the Cambridge Service for Data Driven Discovery(CSD3)operated by the University of Cambridge Research Computing Service(www.csd3.cam.ac.uk),provided by Dell EMC and Intel using Tier-2 funding from the Engineering and Physical Sciences Research Council(capital grant EP/P020259/1);DiRAC funding from the Science and Technology Facilities Council(www.dirac.ac.uk);C.L.and E.S.are supported by the EPSRC Centre for Doctoral Training in Cross-Disciplinary Approaches to Non-Equilibrium Systems(CANES,EP/L015854/1);C.W.is grateful to Antoine Georges for discussions.
Using spin-assisted ab initio random structure searches,we explore an exhaustive quantum phase diagram of archetypal interfaced Mott insulators,i.e.lanthanum-iron and lanthanum-titanium oxides.In particular,we report ...