76 citations · 170 across the 9 of their papers we have counts for
6 papers · 1 filter
Experimental observation of repulsively bound magnons
Zhe Wang, Catalin-Mihai Halati, Jean-Sébastien Bernier +9
Stable composite objects, such as hadrons, nuclei, atoms, molecules and superconducting pairs, formed by attractive forces are ubiquitous in nature. By contrast, composite objects…
Quantum Critical Dynamics of a Heisenberg-Ising Chain in a Longitudinal Field: Many-Body Strings versus Fractional Excitations
Zhe Wang, M. Schmidt, A. Loidl +11
We report a high-resolution terahertz spectroscopic study of quantum spin dynamics in the antiferromagnetic Heisenberg-Ising spin-chain compound BaCoVO as a function of…
Large positive magneto-conductivity at microwave frequencies in the compensated topological insulator BiSbTeSe2
Mahasweta Bagchi, Lea Pitz-Paal, Christoph P. Grams +6
The bulk electronic properties of compensated topological insulators are strongly affected by the self-organized formation of charge puddles at low temperature, but their response…
Quantum Criticality of an Ising-like Spin-1/2 Antiferromagnetic Chain in Transverse Magnetic Field
Zhe Wang, T. Lorenz, D. I. Gorbunov +11
We report on magnetization, sound velocity, and magnetocaloric-effect measurements of the Ising-like spin-1/2 antiferromagnetic chain system BaCoVO as a function of tem…
Quantum criticality in the spin- Heisenberg chain system copper pyrazine dinitrate
Oliver Breunig, Markus Garst, Andreas Klümper +3
The magnetic insulator copper pyrazine dinitrate comprises antiferromagnetic spin-1/2 chains that are well described by the exactly solvable one-dimensional Heisenberg model, provi…
Strong magnetoelastic coupling at the transition from harmonic to anharmonic order in NaFe(WO) with 3d configuration
S. Holbein, M. Ackermann, L. Chapon +9
The crystal structure of the double tungstate NaFe(WO) arises from that of the spin-driven multiferroic MnWO by inserting non-magnetic Na layers. NaFe(WO) exhib…