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- Institute of Modern PhysicsCN892 papers
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4 papers · 2 filters
Three-dimensional Resonance in superconducting BaFeNiAs
Songxue Chi, Astrid Schneidewind, Jun Zhao +8
We use inelastic neutron scattering to study magnetic excitations of the FeAs-based superconductor BaFeNiAs above and below its superconducting transition tempe…
Exact solutions of a class of S=1 quantum Ising spin models
Zhi-Hua Yang, Li-Ping Yang, Hai-Na Wu +2
We propose a hole decomposition scheme to exactly solve a class of spin-1 quantum Ising models with transverse or longitudinal single-ion anisotropy. In this scheme, the spin-1 mod…
Quantum phase transition in the one-dimensional period-two and uniform compass model
Ke-Wei Sun, Yu-Yu Zhang, Qing-Hu Chen
Quantum phase transition in the one-dimensional period-two and uniform quantum compass model are studied by using the pseudo-spin transformation method and the trace map method. Th…
Band-dependent normal-state coherence in SrRuO: Evidence from Nernst effect and thermopower measurements
X. F. Xu, Z. A. Xu, T. J. Liu +4
We present the first measurement on Nernst effect in the normal state of odd-parity, spin-triplet superconductor SrRuO. Below 100 K, the Nernst signal was found to be n…