K. Povarov

activity

20112026

most citedModes of magnetic resonance in the spin liquid phase of Cs2CuCl4

79 citations · 589 across the 49 of their papers we have counts for

collaborators

50 papers

cond-mat.str-el2026

Transverse order and longitudinal fluctuations in a near-Ising spin supersolid

Mengze Zhu, V. Romerio, S. Raymond +9

We investigate the polarization of the ordered moments and low-energy spin fluctuations in the spin supersolid state of the S = 1/2 triangular-lattice easy-axis antiferromagnet K2C…

cond-mat.str-el2026

Quantum spin ladder with ferromagnetic rungs in Bi $_{2}$ CuO $_{3}$ (SO $_{4}$ )

Rodolfo A. Rangel Hernandez, Kirill Yu. Povarov, Sergei Zvyagin +3

We introduce Bi $_{2}$ CuO $_{3}$ (SO $_{4}$ ) as a rare example of a spin-ladder magnet with ferromagnetic interactions on the rungs. Its magnetic response is studied through measurements of…

cond-mat.str-el2026★ 1 cited

Magnetic phase diagram and spin Hamiltonian of antiferromagnet Cs $_{2}$ CoI $_{4}$

S. D. Nabi, L. Facheris, V. Romerio +12

We report comprehensive thermodynamic and neutron scattering measurements on the $S$ = 3/2 antiferromagnet Cs $_{2}$ CoI $_{4}$ , a member of the thoroughly studied family of frustrated ma…

cond-mat.mtrl-sci2025

Pressure-Tuned Metamagnetism and Emergent Three-Body Interactions in CsFeCl $_{3}$

K. Nihongi, T. Kida, Y. Narumi +11

We present a combined experimental and theoretical study of the triangular-lattice quantum antiferromagnet CsFeCl $_{3}$ under high magnetic fields and high pressure. Pulsed-field mag…

cond-mat.str-el2025

$Z_{2}$ Vortex Crystal Candidate in the Triangular $S = 1/2$ Quantum Antiferromagnet

J. Nagl, K. Yu. Povarov, B. Duncan +16

The prospect of merging the paradigms of geometric frustration on a triangular lattice and bond anisotropies in the strong spin-orbit coupling limit holds tremendous promise in the…

cond-mat.str-el2025

Pseudo-Goldstone mode in altermagnetic $α$ -MnTe: high-field electron spin resonance studies

K. Yu. Povarov, J. Wosnitza, S. Rößler +3

We report multi-frequency electron spin resonance spectroscopy studies of $α$ -MnTe in magnetic fields up to $16$ T, applied along the easy anisotropy axis. At temperatures below $T…

cond-mat.str-el2025

Influence of La-doping on the magnetic properties of the two-dimensional spin-gapped system SrCu $_{2}$ (BO $_{3}$ ) $_{2}$

Lia Šibav, Tilen Knaflič, Graham King +6

Aliovalent doping of the two-dimensional dimer antiferromagnet SrCu $_{2}$ (BO $_{3}$ ) $_{2}$ has long been proposed as a potential route toward realizing resonating valence bond (RVB) super…

cond-mat.str-el2025★ 2 cited

Spin-flop-like transition as quantum critical point in Cs $_{2}$ RuO $_{4}$

S. D. Nabi, M. Zhu, K. Yu. Povarov +6

We report thermodynamic, neutron diffraction, and inelastic neutron scattering measurements on Cs $_{2}$ RuO $_{4}$ , a member of the celebrated family of frustrated magnets Cs $_{2}$ MX $_{4}$ (…

cond-mat.str-el2024

High-field magnetic properties of the alternating ferro-antiferromagnetic spin-chain compound Cu $_{2}$ (OH) $_{3}$ Br

K. Yu. Povarov, Y. Skourskii, J. Wosnitza +3

We present comprehensive high magnetic field studies of the alternating weakly coupled ferro-antiferromagnetic (FM-AFM) spin- $1/2$ chain compound Cu $_{2}$ (OH) $_{3}$ Br, with the structu…

cond-mat.str-el2024★ 4 cited

Low-energy spin excitations in field-induced phases of the spin-ladder antiferromagnet BiCu $_{2}$ PO $_{6}$

Patrick Pilch, Kirill Amelin, Gary Schmiedinghoff +13

We report on terahertz spectroscopic measurements of quantum spin dynamics on single crystals of a spin-1/2 frustrated spin-ladder antiferromagnet BiCu $_{2}$ PO $_{6}$ as a function of t…

cond-mat.str-el2024

Dielectric relaxation in the quantum multiferroics Rb $_{2}$ Cu $_{2}$ Mo $_{3}$ O $_{12}$ and Cs $_{2}$ Cu $_{2}$ Mo $_{3}$ O $_{12}$

D. Flavián, P. A. Volkov, S. Hayashida +4

Motivated by the recent discovery of dielectric relaxation by quantum critical magnons in Cs $_{2}$ Cu $_{2}$ Mo $_{3}$ O $_{12}$ , we conduct a detailed analysis of its dielectric response and…

cond-mat.str-el2024★ 13 cited

Excitation Spectrum and Spin Hamiltonian of the Frustrated Quantum Ising Magnet Pr $_{3}$ BWO $_{9}$

J. Nagl, D. Flavián, S. Hayashida +16

We present a thorough experimental investigation on single crystals of the rare-earth based frustrated quantum antiferromagnet Pr $_{3}$ BWO $_{9}$ , a purported spin-liquid candidate on t…

cond-mat.str-el2024★ 35 cited

Continuum excitations in a spin-supersolid on a triangular lattice

M. Zhu, V. Romerio, N. Steiger +10

Magnetic, thermodynamic, neutron diffraction and inelastic neutron scattering are used to study spin correlations in the easy-axis XXZ triangular lattice magnet K2Co(SeO3)2. Despit…

cond-mat.str-el2024

Narrowly avoided spin-nematic phase in BaCdVO(PO $_{4}$ ) $_{2}$ : NMR evidence

K. M. Ranjith, K. Yu. Povarov, Z. Yan +2

We present a $^{31}$ P nuclear magnetic resonance (NMR) investigation of BaCdVO(PO $_{4}$ ) $_{2}$ focusing on the nearly saturated regime between $μ_{0} H_{c 1}$ = 4.05 T and $μ_{0} H_{c 2}$ = 6.…

cond-mat.str-el2023

Magnetic field-induced phases and spin Hamiltonian in Cs2CoBr4

L. Facheris, S. D. Nabi, K. Yu. Povarov +12

Magnetic structures and spin excitations are studied across the phase diagram of the geometrically frustrated S = 3/2 quantum antiferromagnet Cs2CoBr4 in magnetic fields applied al…

cond-mat.str-el2023★ 5 cited

Pressure-tuned quantum criticality in the large- $D$ antiferromagnet DTN

Kirill Yu. Povarov, David E. Graf, Andreas Hauspurg +11

Strongly correlated spin systems can be driven to quantum critical points via various routes. In particular, gapped quantum antiferromagnets can undergo phase transitions into a ma…

cond-mat.str-el2023★ 11 cited

Confinement of fractional excitations in a triangular lattice antiferromagnet

L. Facheris, S. D. Nabi, A. Glezer Moshe +6

High-resolution neutron and THz spectroscopies are used to study the magnetic excitation spectrum of Cs $_{2}$ CoBr $_{4}$ , a distorted-triangular-lattice antiferromagnet with nearly XY-t…

cond-mat.str-el2022★ 3 cited

Spin correlations in the frustrated ferro-antiferromagnet SrZnVO(PO4)2 near saturation

F. Landolt, K. Povarov, Z. Yan +5

Single crystal elastic and inelastic neutron scattering experiments are performed on the frustrated ferro-antiferromagnet SrZnVO(PO4)2 in high magnetic fields. The fully polarized…

cond-mat.str-el2022★ 25 cited

Spin Density Wave versus Fractional Magnetization Plateau in a Triangular Antiferromagnet

L. Facheris, K. Yu. Povarov, S. D. Nabi +7

We report an excellent realization of the highly non-classical incommensurate spin-density wave (SDW) state in the quantum frustrated antiferromagnetic insulator Cs $_{2}$ CoBr $_{4}$ . In…

cond-mat.str-el2021★ 5 cited

LT-scaling in depleted quantum spin ladders

Stanislaw Galeski, Kirill Yu. Povarov, Dominic Blosser +5

Using a combination of neutron scattering, calorimetry, Quantum Monte Carlo (QMC) simulations and analytic results we uncover confinement effects in depleted, partially magnetized…

cond-mat.str-el2021★ 14 cited

Electron Spin Resonance of the Interacting Spinon Liquid

Kirill Yu. Povarov, Timofei A. Soldatov, Ren-Bo Wang +3

We report experimental verification of the recently predicted collective modes of spinons, stabilized by backscattering interaction, in a model quantum spin chain material. We expl…

cond-mat.str-el2021★ 10 cited

Inelastic neutron scattering determination of the spin Hamiltonian for BaCdVO(PO $_{4}$ ) $_{2}$

V. K. Bhartiya, S. Hayashida, K. Yu. Povarov +4

Single crystal inelastic neutron scattering is used to study spin wave excitations in the fully polarized state of the frustrated quantum ferro-antiferromagnet BaCdVO(PO $_{4}$ ) $_{2}$ .…

cond-mat.str-el2020★ 4 cited

Critical dielectric susceptibility at a magnetic BEC quantum critical point

S. Hayashida, L. Huberich, D. Flavián +4

Magnetic-field-induced phase transitions are investigated in the frustrated gapped quantum paramagnet Rb $_{2}$ Cu $_{2}$ Mo $_{3}$ O $_{12}$ through dielectric and calorimetric measurement…

cond-mat.str-el2020★ 1 cited

Finite-temperature dynamics and the role of disorder in nearly critical Ni(Cl $_{1 - x}$ Br $_{x}$ ) $_{2}$ $\cdot$ 4SC(NH $_{2}$ ) $_{2}$

L. Facheris, D. Blosser, K. Yu. Povarov +3

Inelastic neutron scattering is used to investigate the temperature dependence of spin correlations in the 3-dimensional XY antiferromagnet Ni(Cl $_{1 - x}$ Br $_{x}$ ) $_{2}$ $\cdot$ 4SC(NH$_2…

Transverse order and longitudinal fluctuations in a near-Ising spin supersolid

Quantum spin ladder with ferromagnetic rungs in Bi2​CuO3​(SO4​)

Magnetic phase diagram and spin Hamiltonian of antiferromagnet Cs2​CoI4​

Pressure-Tuned Metamagnetism and Emergent Three-Body Interactions in CsFeCl3​

Z2​ Vortex Crystal Candidate in the Triangular S=1/2 Quantum Antiferromagnet

Pseudo-Goldstone mode in altermagnetic α-MnTe: high-field electron spin resonance studies

Influence of La-doping on the magnetic properties of the two-dimensional spin-gapped system SrCu2​(BO3​)2​

Spin-flop-like transition as quantum critical point in Cs2​RuO4​

High-field magnetic properties of the alternating ferro-antiferromagnetic spin-chain compound Cu2​(OH)3​Br

Low-energy spin excitations in field-induced phases of the spin-ladder antiferromagnet BiCu2​PO6​

Dielectric relaxation in the quantum multiferroics Rb2​Cu2​Mo3​O12​ and Cs2​Cu2​Mo3​O12​

Excitation Spectrum and Spin Hamiltonian of the Frustrated Quantum Ising Magnet Pr3​BWO9​

Continuum excitations in a spin-supersolid on a triangular lattice

Narrowly avoided spin-nematic phase in BaCdVO(PO4​)2​: NMR evidence

Magnetic field-induced phases and spin Hamiltonian in Cs2CoBr4

Pressure-tuned quantum criticality in the large-D antiferromagnet DTN

Confinement of fractional excitations in a triangular lattice antiferromagnet

Spin correlations in the frustrated ferro-antiferromagnet SrZnVO(PO4)2 near saturation

Spin Density Wave versus Fractional Magnetization Plateau in a Triangular Antiferromagnet

LT-scaling in depleted quantum spin ladders

Electron Spin Resonance of the Interacting Spinon Liquid

Inelastic neutron scattering determination of the spin Hamiltonian for BaCdVO(PO4​)2​

Critical dielectric susceptibility at a magnetic BEC quantum critical point

Finite-temperature dynamics and the role of disorder in nearly critical Ni(Cl1−x​Brx​)2​⋅4SC(NH2​)2​

Quantum spin ladder with ferromagnetic rungs in Bi $_{2}$ CuO $_{3}$ (SO $_{4}$ )

Magnetic phase diagram and spin Hamiltonian of antiferromagnet Cs $_{2}$ CoI $_{4}$

Pressure-Tuned Metamagnetism and Emergent Three-Body Interactions in CsFeCl $_{3}$

$Z_{2}$ Vortex Crystal Candidate in the Triangular $S = 1/2$ Quantum Antiferromagnet

Pseudo-Goldstone mode in altermagnetic $α$ -MnTe: high-field electron spin resonance studies

Influence of La-doping on the magnetic properties of the two-dimensional spin-gapped system SrCu $_{2}$ (BO $_{3}$ ) $_{2}$

Spin-flop-like transition as quantum critical point in Cs $_{2}$ RuO $_{4}$

High-field magnetic properties of the alternating ferro-antiferromagnetic spin-chain compound Cu $_{2}$ (OH) $_{3}$ Br

Low-energy spin excitations in field-induced phases of the spin-ladder antiferromagnet BiCu $_{2}$ PO $_{6}$

Dielectric relaxation in the quantum multiferroics Rb $_{2}$ Cu $_{2}$ Mo $_{3}$ O $_{12}$ and Cs $_{2}$ Cu $_{2}$ Mo $_{3}$ O $_{12}$

Excitation Spectrum and Spin Hamiltonian of the Frustrated Quantum Ising Magnet Pr $_{3}$ BWO $_{9}$

Narrowly avoided spin-nematic phase in BaCdVO(PO $_{4}$ ) $_{2}$ : NMR evidence

Pressure-tuned quantum criticality in the large- $D$ antiferromagnet DTN

Inelastic neutron scattering determination of the spin Hamiltonian for BaCdVO(PO $_{4}$ ) $_{2}$

Finite-temperature dynamics and the role of disorder in nearly critical Ni(Cl $_{1 - x}$ Br $_{x}$ ) $_{2}$ $\cdot$ 4SC(NH $_{2}$ ) $_{2}$