Spin-orbital frustrations and anomalous metallic state in iron-pnictide superconductors F Krüger, S Kumar, J Zaanen, J van den Brink Physical Review B 79 (5), 054504, 2009 | 440 | 2009 |
Theoretical prediction of multiferroicity in double perovskite Y 2 NiMnO 6 S Kumar, G Giovannetti, J van den Brink, S Picozzi Physical Review B 82 (13), 134429, 2010 | 254 | 2010 |
Multiferroicity in Rare-Earth Nickelates R NiO 3 G Giovannetti, S Kumar, D Khomskii, S Picozzi, J van den Brink Physical review letters 103 (15), 156401, 2009 | 141 | 2009 |
Multiferroicity in TTF-CA organic molecular crystals predicted through ab initio calculations G Giovannetti, S Kumar, A Stroppa, J van den Brink, S Picozzi Physical review letters 103 (26), 266401, 2009 | 121 | 2009 |
A travelling cluster approximation for lattice fermions strongly coupled to classical degrees of freedom S Kumar, P Majumdar The European Physical Journal B-Condensed Matter and Complex Systems 50 (4 …, 2006 | 103 | 2006 |
Room-temperature spin-spiral multiferroicity in high-pressure cupric oxide X Rocquefelte, K Schwarz, P Blaha, S Kumar, J Van Den Brink Nature communications 4 (1), 1-7, 2013 | 95 | 2013 |
Magnetically induced electronic ferroelectricity in half-doped manganites G Giovannetti, S Kumar, J van den Brink, S Picozzi Physical review letters 103 (3), 037601, 2009 | 94 | 2009 |
High- Ferroelectricity Emerging from Magnetic Degeneracy in Cupric Oxide G Giovannetti, S Kumar, A Stroppa, J van den Brink, S Picozzi, ... Physical review letters 106 (2), 026401, 2011 | 89 | 2011 |
Frustration-induced insulating chiral spin state in itinerant triangular-lattice magnets S Kumar, J van den Brink Physical review letters 105 (21), 216405, 2010 | 71 | 2010 |
Insulator-metal phase diagram of the optimally doped manganites from the disordered holstein-double exchange model S Kumar, P Majumdar Physical review letters 96 (1), 016602, 2006 | 58 | 2006 |
Delta doping of ferromagnetism in antiferromagnetic manganite superlattices TS Santos, BJ Kirby, S Kumar, SJ May, JA Borchers, BB Maranville, ... Physical review letters 107 (16), 167202, 2011 | 57 | 2011 |
Switchable quantum anomalous Hall state in a strongly frustrated lattice magnet JWF Venderbos, M Daghofer, J van den Brink, S Kumar Physical review letters 109 (16), 166405, 2012 | 49 | 2012 |
Microscopic Origin of Large Negative Magnetoelectric Coupling in G Giovannetti, S Kumar, C Ortix, M Capone, J van den Brink Physical review letters 109 (10), 107601, 2012 | 46 | 2012 |
Mott state and quantum critical points in rare-earth oxypnictides RO1-xFxFeAs (R= La, Sm, Nd, Pr, Ce) G Giovannetti, S Kumar, J van den Brink Physica B: Condensed Matter 403 (19-20), 3653-3657, 2008 | 44 | 2008 |
Singular effect of disorder on electronic transport in strongly coupled electron-phonon systems S Kumar, P Majumdar Physical review letters 94 (13), 136601, 2005 | 39 | 2005 |
Nanoscale phase coexistence and percolative quantum transport S Kumar, P Majumdar Physical review letters 92 (12), 126602, 2004 | 37 | 2004 |
Charge ordering and magnetism in quarter-filled Hubbard-Holstein model S Kumar, J van den Brink Physical Review B 78 (15), 155123, 2008 | 29 | 2008 |
Transport and localisation in the presence of strong structural and spin disorder S Kumar, P Majumdar The European Physical Journal B-Condensed Matter and Complex Systems 46 (2 …, 2005 | 28 | 2005 |
Domain formation and orbital ordering transition in a doped Jahn-Teller insulator S Kumar, AP Kampf, P Majumdar Physical review letters 97 (17), 176403, 2006 | 26 | 2006 |
Electronic mechanism for nanoscale skyrmions and topological metals D Kathyat, A Mukherjee, S Kumar Physical Review B 103, 035111, 2021 | 24 | 2021 |