405 citations
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5 papers · 1 filter
Dynamics of the two-dimensional S=1/2 dimer system (C5H6N2F)2CuCl4
Tao Hong, S. N. Gvasaliya, S. Herringer +5
Inelastic neutron scattering was used to study a quantum S=1/2 antiferromagnetic Heisenberg system-Bis(2-amino-5-fluoropyridinium) Tetrachlorocuprate(II). The magnetic excitation s…
Field-induced Tomonaga-Luttinger liquid phase of a two-leg spin-1/2 ladder with strong leg interactions
Tao Hong, Y. H. Kim, C. Hotta +10
We study the magnetic-field-induced quantum phase transition from a gapped quantum phase that has no magnetic long-range order into a gapless phase in the spin-1/2 ladder compound…
The Two-Dimensional Square-Lattice S=1/2 Antiferromagnet Cu(pz)(ClO)
N. Tsyrulin, F. Xiao, A. Schneidewind +6
We present an experimental study of the two-dimensional S=1/2 square-lattice antiferromagnet Cu(pz)(ClO) (pz denotes pyrazine - ) using specific heat measure…
Low frequency spin dynamics in the quantum magnet copper pyrazine dinitrate
H. Kuehne, M. Guenther, S. Grossjohann +7
The S=1/2 antiferromagnetic Heisenberg chain exhibits a magnetic field driven quantum critical point. We study the low frequency spin dynamics in copper pyrazine dinitrate (CuPzN),…
Heterogeneous structure of granular aggregates with capillary interactions
Michael Berhanu, Arshad Kudrolli
We investigate the spatial structure of cohesive granular matter with spheres floating at an air-liquid interface that form disordered close packings with pores in between. The int…