164 citations · 879 across the 27 of their papers we have counts for
21 papers · 1 filter
Non-local Coulomb interaction and correlated electronic structure of TaS: A GW+EDMFT study
Taek Jung Kim, Min Yong Jeong, Myung Joon Han
By means of computation schemes, we examine the low-energy electronic structure of monolayer TaS in its low-temperature commensurate charge-density-wave structure.…
Crucial role of out-of-plane Sb- orbitals in Van Hove singularity formation and electronic correlation for superconducting Kagome metal CsVSb
Min Yong Jeong, Hyeok-Jun Yang, Hee Seung Kim +3
First-principles density functional theory calculations are performed to understand the electronic structure and interaction parameters for recently discovered superconducting Kago…
Magnetic field induced quantum spin liquid in the two coupled trillium lattices of KNi(SO)
Ivica Zivkovic, Virgile Favre, Catalina Salazar Mejia +19
Quantum spin liquids are exotic states of matter which form when strongly frustrated magnetic interactions induce a highly entangled quantum paramagnet far below the energy scale o…
Novel =3/2 Metallic Phase and Unconventional Superconductivity in GaTaSe
Min Yong Jeong, Seo Hyoung Chang, Hyeong Jun Lee +10
By means of density functional theory plus dynamical mean-field theory (DFT+DMFT) calculations and resonant inelastic x-ray scattering (RIXS) experiments, we investigate the high-p…
Pressure Induced Topological Superconductivity in the Spin-Orbit Mott Insulator GaTa4Se8
Moon Jip Park, GiBaik Sim, Min Yong Jeong +3
Lacunar spinel GaTaSe is a unique example of spin-orbit coupled Mott insulator described by molecular states. It becomes superconducting at T=5…
Charge density functional plus calculation of lacunar spinel GaMSe (M = Nb, Mo, Ta, and W)
Hyunggeun Lee, Min Yong Jeong, Jae-Hoon Sim +3
Charge density functional plus calculations are carried out to examine the validity of molecular =1/2 and 3/2 state in lacunar spinel GaMX (M = Nb, Mo, Ta…
Exotic phases of frustrated antiferromagnet LiCu2O2
A. A. Bush, N. Büttgen, A. A. Gippius +6
7Li NMR spectra were measured in a magnetic field up to 17 T at temperatures 5-30 K on single crystalline LiCu2O2. Earlier reported anomalies on magnetization curves correspond to…
Direct experimental observation of the molecular Jeff=3/2 ground state in the lacunar spinel GaTa4Se8
Min Yong Jeong, Seo Hyoung Chang, Beom Hyun Kim +9
Strong spin-orbit coupling lifts the degeneracy of t2g orbitals in 5d transition-metal systems, leaving a Kramers doublet and quartet with effective angular momentum of Jeff = 1/2…
- square lattice antiferromagnetism in the orbitally quenched insulator MoOPO
L. Yang, M. Jeong, P. Babkevich +12
We report magnetic and thermodynamic properties of a (Mo) magnetic insulator MoOPO single crystal, which realizes a - Heisenberg spin- model on a s…
Novel Crossover in Coupled Spin Ladders
M. Jeong, H. Mayaffre, C. Berthier +3
We report a novel crossover behavior in the long-range-ordered phase of a prototypical spin- Heisenberg antiferromagnetic ladder compound . The…
Possibility of an unconventional spin state of Ir in BaIrO single crystal
L. Yang, M. Jeong, A. Arakcheeva +11
We report the synthesis of single crystals of a novel layered iridate BaIrO, and present the crystallographic, transport and magnetic properties of this material.…
Probing strongly hybrid nuclear-electronic states in a model quantum ferromagnet
I. Kovacevic, P. Babkevich, M. Jeong +3
We present direct local-probe evidence for strongly hybridized nuclear-electronic spin states of an Ising ferromagnet LiHoF in a transverse magnetic field. The nuclear-electron…
Dimensional Reduction in Quantum Dipolar Antiferromagnets
P. Babkevich, M. Jeong, Y. Matsumoto +7
We report ac susceptibility, specific heat, and neutron scattering measurements on a dipolar-coupled antiferromagnet LiYbF. For the thermal transition, the order-parameter crit…
Dichotomy between Attractive and Repulsive Tomonaga-Luttinger Liquids in Spin Ladders
M. Jeong, D. Schmidiger, H. Mayaffre +8
We present two methods to determine whether the interactions in a Tomonaga-Luttinger liquid (TLL) state of a spin- Heisenberg antiferromagnetic ladder are attractive or repuls…
Spin dynamics in the high-field phases of volborthite
M. Yoshida, K. Nawa, H. Ishikawa +13
We report single-crystal 51V NMR studies on volborthite Cu3V2O7(OH)2 2H2O, which is regarded as a quasi-two-dimensional frustrated magnet with competing ferromagnetic and antiferro…
Sc_{2}Ga_{2}CuO_{7}: A possible Quantum spin liquid near the percolation threshold
R. Kumar, P. Khuntia, D. Sheptyakov +6
ScGaCuO (SGCO) crystallizes in a hexagonal structure (space group: ),\textcolor{black}{{} which can be seen as an alternating stacking of single a…
Neutron spectroscopic study of crystal-field excitations and the effect of the crystal field on dipolar magnetism in LiF ( = Gd, Ho, Er, Tm, and Yb)
P. Babkevich, A. Finco, M. Jeong +12
We present a systematic study of the crystal field interactions in the LiF, = Gd, Ho, Er, Tm and Yb, family of rare-earth magnets. Using detailed inelastic neutron scatt…
Quantum Critical Scaling for a Heisenberg Spin- Chain around Saturation
M. Jeong, H. M. Rønnow
We demonstrate quantum critical scaling for an Heisenberg antiferromagnetic chain compound CuPzN in a magnetic field around saturation, by analysing previously reported mag…
One-Third Magnetization Plateau with a Preceding Novel Phase in Volborthite
H. Ishikawa, M. Yoshida, K. Nawa +12
We have synthesized high-quality single crystals of volborthite, a seemingly distorted kagome antiferromagnet, and carried out high-field magnetization measurements up to 74 T and…
Attractive Tomonaga-Luttinger Liquid in a Quantum Spin Ladder
M. Jeong, H. Mayaffre, C. Berthier +3
We present NMR measurements of a strong-leg spin-1/2 Heisenberg antiferromagnetic ladder compound (C7H10N)2CuBr4 under magnetic fields up to 15 T in the temperature range from 1.2…
Field-Induced Freezing of a Quantum Spin Liquid on the Kagome Lattice
M. Jeong, F. Bert, P. Mendels +4
We report 17O NMR measurements in the S=1/2 Cu2+ kagome antiferromagnet Herbertsmithite ZnCu3(OH)6Cl2 down to 45mK in magnetic fields ranging from 2T to 12T. While Herbertsmithite…