Professor
Department of Physical Sciences
📍 2F9, AB1
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Research Area
Quantum Condensed Matter Theory
Research Interests
My research interest is in understanding the physics of strongly interacting and disordered electron systems with the help of minimal lattice models. My recent work is focused on understanding Skyrmion formation in magnetic insulators and metals. Other topics that find my current interest are: unconventional superconducting order, partial Kondo screening, anomalous quantum Hall effect and topological phases. I make extensive use of computational methods for my research work, and therefore I maintain a keen interest in development of new computational methods relevant to my research work.
2004 - 2007 : University of Augsburg, Germany
2007 - 2009 : Leiden University, Netherlands
2010 - 2010 : IFW Dresden, Germany
1998 - 2004 : HRI Prayagraj
1996 - 1998 : MSc, IIT Kanpur
1993 - 1996 : BSc, DAV College Kangra
DST Ramanujan Fellowship
Shruti Agarwal, Shreekant Gawande, Satoshi Nishimoto, Jeroen Van den Brink and Sanjeev Kumar. First-order topological phase transitions and disorder-induced Majorana modes in interacting fermion chains. Physical Review B 107(12):L121106, 2023.
Deepak S Kathyat, Arnob Mukherjee and Sanjeev Kumar. Electronic mechanism for nanoscale skyrmions and topological metals. Physical Review B 103(3):035111, 2021.
Ayushi Singhania and Sanjeev Kumar. Multiple phase transitions and high-field quadrupolar order in a model for $\beta$- TeVO 4. Physical Review B 101(6):064403, 2020.
Navketan Batra, Swagatam Nayak and Sanjeev Kumar. Topological transitions in a model for proximity-induced superconductivity. Physical Review B 100(21):214517, 2019.
Xavier Rocquefelte, Karlheinz Schwarz, Peter Blaha, Sanjeev Kumar and Jeroen Van Den Brink. Room-temperature spin-spiral multiferroicity in high-pressure cupric oxide. Nature communications 4(1):2511, 2013.
Jörn WF Venderbos, Maria Daghofer, Jeroen Van Den Brink and Sanjeev Kumar. Switchable quantum anomalous hall state in a strongly frustrated lattice magnet. Physical Review Letters 109(16):166405, 2012.
Jörn WF Venderbos, Maria Daghofer, Jeroen Brink and Sanjeev Kumar. Macroscopic degeneracy and emergent frustration in a honeycomb lattice magnet. Physical Review Letters 107(7):076405, 2011.
Sanjeev Kumar and Jeroen Brink. Frustration-induced insulating chiral spin state in itinerant triangular-lattice magnets. Physical review letters 105(21):216405, 2010.
Sanjeev Kumar, Gianluca Giovannetti, Jeroen Brink and Silvia Picozzi. Theoretical prediction of multiferroicity in double perovskite Y 2 NiMnO 6. Physical Review B 82(13):134429, 2010.
Frank Krüger, Sanjeev Kumar, Jan Zaanen and Jeroen Brink. Spin-orbital frustrations and anomalous metallic state in iron-pnictide superconductors. Physical Review B 79(5):054504, 2009.