A. Ponomaryov

activity

20172022

most citedNature of Magnetic Excitations in the High-Field Phase of

α

-RuCl

_{3}

52 citations · 147 across the 8 of their papers we have counts for

collaborators

8 papers

cond-mat.str-el2022★ 9 cited

Dimensional reduction and incommensurate dynamic correlations in the $S = \frac{1}{2}$ triangular-lattice antiferromagnet Ca $_{3}$ ReO $_{5}$ Cl $_{2}$

S. A. Zvyagin, A. N. Ponomaryov, J. Wosnitza +7

The observation of spinon excitations in the $S = \frac{1}{2}$ triangular antiferromagnet Ca $_{3}$ ReO $_{5}$ Cl $_{2}$ reveals a quasi-one-dimensional (1D) nature of magnetic correlations, in…

cond-mat.supr-con2022★ 22 cited

High-order nonlinear terahertz probing of the two-band superconductor MgB $_{2}$ : Third- and fifth-order harmonic generation

C. Reinhoffer, P. Pilch, A. Reinold +16

We report on high-order harmonic generation in the two-band superconductor MgB $_{2}$ driven by intense terahertz electromagnetic pulses. Third- and fifth-order harmonics are resolved…

cond-mat.str-el2021★ 14 cited

Antiferromagnetic resonance in the cubic iridium hexahalides (NH $_{4}$ ) $_{2}$ IrCl $_{6}$ and K $_{2}$ IrCl $_{6}$

L. Bhaskaran, A. N. Ponomaryov, J. Wosnitza +4

We report on high-field electron spin resonance studies of two iridium hexahalide compounds, (NH $_{4}$ ) $_{2}$ IrCl $_{6}$ and K $_{2}$ IrCl $_{6}$ . In the paramagnetic state, our measurements rev…

cond-mat.str-el2021★ 4 cited

High-field spin-flop state in green dioptase

O. Prokhnenko, G. Marmorini, S. E. Nikitin +10

The high-field magnetic properties and magnetic order of the gem mineral green dioptase Cu $_{6} [$ Si $_{6}$ O $_{18}] \cdot 6$ H $_{2}$ O have been studied by means of single-crystal neutron dif…

cond-mat.str-el2020★ 52 cited

Nature of Magnetic Excitations in the High-Field Phase of $α$ -RuCl $_{3}$

A. N. Ponomaryov, L. Zviagina, J. Wosnitza +7

We present comprehensive electron spin resonance (ESR) studies of in-plane oriented single crystals of $α$ -RuCl $_{3}$ , a quasi-two-dimensional material with honeycomb structure, focu…

cond-mat.str-el2019★ 9 cited

Pronounced 2/3 magnetization plateau in a frustrated $S$ = 1 isolated spin-triangle compound: Interplay between Heisenberg and biquadratic exchange interactions

S. Chattopadhyay, B. Lenz, S. Kanungo +13

We report the synthesis and characterization of a new quantum magnet [2-[Bis(2-hydroxybenzyl)aminomethyl]pyridine]Ni(II)-trimer (BHAP-Ni3) in single-crystalline form. Our combined…

cond-mat.str-el2019★ 19 cited

One- and three-dimensional quantum phase transitions and anisotropy in Rb $_{2}$ Cu $_{2}$ Mo $_{3}$ O $_{12}$

S. Hayashida, D. Blosser, K. Yu. Povarov +5

Single crystal samples of the frustrated quasi one-dimensional quantum magnet Rb $_{2}$ Cu $_{2}$ Mo $_{3}$ O $_{12}$ are investigated by magnetic, thermodynamic, and electron spin resona…

cond-mat.str-el2017★ 18 cited

Quantum criticality in the coupled two-leg spin ladder Ba2CuTeO6

A. Glamazda, Y. S. Choi, S. -H. Do +8

We report on zero-field muon spin rotation, electron spin resonance and polarized Raman scattering measurements of the coupled quantum spin ladder Ba2CuTeO6. Zero-field muon spin r…

Dimensional reduction and incommensurate dynamic correlations in the S=21​ triangular-lattice antiferromagnet Ca3​ReO5​Cl2​

High-order nonlinear terahertz probing of the two-band superconductor MgB2​: Third- and fifth-order harmonic generation

Antiferromagnetic resonance in the cubic iridium hexahalides (NH4​)2​IrCl6​ and K2​IrCl6​