512 citations · 5.4k across the 68 of their papers we have counts for
8 papers · 1 filter
Pressure dependence of phonon modes across the tetragonal to collapsed tetragonal phase transition in CaFe2As2
R. Mittal, R. Heid, A. Bosak +14
The pressure dependence of a large number of phonon modes in CaFe2As2 with energies covering the full range of the phonon spectrum has been studied using inelastic x-ray and neutro…
Field-induced soft-mode quantum phase transition in LaSrCuO
J. Chang, N. B. Christensen, Ch. Niedermayer +13
Inelastic neutron-scattering experiments on the high-temperature superconductor LaSrCuO reveal a magnetic excitation gap that decreases continuously u…
Tuning competing orders in La2-xSrxCuO4 cuprate superconductors by the application of an external magnetic field
J. Chang, Ch. Niedermayer, R. Gilardi +13
We report the results of a combined muon spin rotation and neutron scattering study on La2-xSrxCuO4 in the vicinity of the so-called 1/8-anomaly. Application of a magnetic field dr…
The Persistence of High-Frequency Spin Fluctuations in Overdoped LaSrCuO (=0.22)
O. J. Lipscombe, S. M. Hayden, B. Vignolle +2
We report a detailed inelastic neutron scattering study of the collective magnetic excitations of overdoped superconducting La1.78Sr0.22CuO4 for the energy range 0-160 meV. Our mea…
Magnetic-field-induced spin excitations and renormalized spin gap of the underdoped superconductor LaSrCuO
J. Chang, A. P. Schnyder, R. Gilardi +15
High-resolution neutron inelastic scattering experiments in applied magnetic fields have been performed on LaSrCuO (LSCO). In zero field, the temperature…
Two energy scales in the spin excitations of the high-T_c superconductor LaSrCuO
B. Vignolle, S. M. Hayden, D. F. McMorrow +4
The excitations responsible for producing high-temperature superconductivity in the cuprates have not been identified. Two promising candidates are collective spin excitations and…
Universal Dispersive Excitations in the High-Temperature Superconductors
N. B. Christensen, D. F. McMorrow, H. M. Ronnow +7
High-resolution neutron scattering experiments on optimally doped LaSrCuO have been performed which reveal that the magnetic excitations are dispersive. The dispers…
Antiferromagnetic vortex state in a high-temperature superconductor
B. Lake, H. M. Ronnow, N. B. Christensen +10
There is strong evidence that magnetic interactions play a crucial role in the mechanism driving high-temperature superconductivity in cuprate superconductors. To investigate this…