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Negative-vector-chirality 120∘ spin structure in the defect- and distortion-free quantum kagome antiferromagnet YCu3(OH)6Cl3 (2019)
Journal Article
Zorko, A., Pregelj, M., Gomilšek, M., Klanjšek, M., Zaharko, O., Sun, W., & Mi, J.-X. (2019). Negative-vector-chirality 120∘ spin structure in the defect- and distortion-free quantum kagome antiferromagnet YCu3(OH)6Cl3. Physical Review B, 100(14), Article 144420. https://doi.org/10.1103/physrevb.100.144420

The magnetic ground state of the ideal quantum kagome antiferromagnet (QKA) has been a longstanding puzzle, mainly because perturbations to the nearest-neighbor isotropic Heisenberg Hamiltonian can lead to various fundamentally different ground state... Read More about Negative-vector-chirality 120∘ spin structure in the defect- and distortion-free quantum kagome antiferromagnet YCu3(OH)6Cl3.

Coexistence of magnetic order and persistent spin dynamics in a quantum kagome antiferromagnet with no intersite mixing (2019)
Journal Article
Zorko, A., Pregelj, M., Klanjšek, M., Gomilšek, M., Jagličić, Z., Lord, J., Verezhak, J., Shang, T., Sun, W., & Mi, J.-X. (2019). Coexistence of magnetic order and persistent spin dynamics in a quantum kagome antiferromagnet with no intersite mixing. Physical review B - Condensed Matter and Materials Physics, 99(21), Article 214441. https://doi.org/10.1103/physrevb.99.214441

One of the key questions concerning frustrated lattices that has lately emerged is the role of disorder in inducing spin-liquid-like properties. In this context, the quantum kagome antiferromagnet YCu3(OH)6Cl3, which has been recently reported as the... Read More about Coexistence of magnetic order and persistent spin dynamics in a quantum kagome antiferromagnet with no intersite mixing.

Kondo screening in a charge-insulating spinon metal (2019)
Journal Article
Gomilšek, M., Žitko, R., Klanjšek, M., Pregelj, M., Baines, C., Li, Y., Zhang, Q., & Zorko, A. (2019). Kondo screening in a charge-insulating spinon metal. Nature Physics, 15(8), 754-758. https://doi.org/10.1038/s41567-019-0536-2

The Kondo effect, an eminent manifestation of many-body physics in condensed matter, is traditionally explained as exchange scattering of conduction electrons on a spinful impurity in a metal1,2. The resulting screening of the impurity’s local moment... Read More about Kondo screening in a charge-insulating spinon metal.

Elementary excitation in the spin-stripe phase in quantum chains (2019)
Journal Article
Pregelj, M., Zorko, A., Gomilšek, M., Klanjšek, M., Zaharko, O., White, J. S., Luetkens, H., Coomer, F., Ivek, T., Rivas Góngora, D., Berger, H., & Arčon, D. (2019). Elementary excitation in the spin-stripe phase in quantum chains. npj Quantum Materials, 4(1), Article 22. https://doi.org/10.1038/s41535-019-0160-5

Elementary excitations in condensed matter capture the complex many-body dynamics of interacting basic entities in a simple quasiparticle picture. In magnetic systems the most established quasiparticles are magnons, collective excitations that reside... Read More about Elementary excitation in the spin-stripe phase in quantum chains.