Overview
Education/Academic qualification
Phy-Physics, Doctorate Degree
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Dive into the research topics where Umesh Kumar is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
- 1 Similar Profiles
Publications
- 16 Article
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Fractionalized excitations and resonant inelastic x-ray spectra in frustrated spin-1/2 trimer chains
Prabhakar, Pal, S., Kumar, U., Kumar, M. & Mukherjee, A., Apr 15 2025, In: Physical Review B. 111, 20, 205106.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
Softening of dd excitation in the resonant inelastic x-ray scattering spectra as a signature of Hund's coupling in nickelates
Kumar, U., Melnick, C. & Kotliar, G., Jan 2025, In: Physical Review Research. 7, 1, L012066.Research output: Contribution to journal › Article › peer-review
Open Access3 Scopus citations -
Theoretical analysis of multimagnon excitations in resonant inelastic x-ray scattering spectra of two-dimensional antiferromagnets
Pal, S., Kumar, U., Prabhakar & Mukherjee, A., Dec 1 2023, In: Physical Review B. 108, 21, 214405.Research output: Contribution to journal › Article › peer-review
3 Scopus citations -
Crossover of high-energy spin fluctuations from collective triplons to localized magnetic excitations in Sr14−xCaxCu24O41 ladders
Tseng, Y., Thomas, J., Zhang, W., Paris, E., Puphal, P., Bag, R., Deng, G., Asmara, T. C., Strocov, V. N., Singh, S., Pomjakushina, E., Kumar, U., Nocera, A., Rønnow, H. M., Johnston, S. & Schmitt, T., Dec 2022, In: npj Quantum Materials. 7, 1, 92.Research output: Contribution to journal › Article › peer-review
Open Access8 Scopus citations -
Floquet engineering of Kitaev quantum magnets
Kumar, U., Banerjee, S. & Lin, S. Z., Dec 2022, In: Communications Physics. 5, 1, 157.Research output: Contribution to journal › Article › peer-review
Open Access23 Scopus citations