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8 papers · 1 filter
Vector chiral and multipolar orders in the spin-1/2 frustrated ferromagnetic chain in magnetic field
Toshiya Hikihara, Lars Kecke, Tsutomu Momoi +1
We study the one-dimensional spin-1/2 Heisenberg chain with competing ferromagnetic nearest-neighbor J_1 and antiferromagnetic next-nearest-neighbor J_2 exchange couplings in the p…
Change of Antiferromagnetic Structure near a Quantum Critical Point in CeRh1-xCoxIn5
M. Yokoyama, N. Oyama, H. Amitsuka +6
The elastic neutron scattering experiments were carried out on the solid solutions CeRh_{1-x}Co_xIn_5 to clarify the nature of the antiferromagnetic (AF) state in the vicinity of t…
Polarized neutron scattering study on antiferromagnetic states in CeRh0.6Co0.4In5
M. Yokoyama, N. Oyama, H. Amitsuka +5
Polarized neutron scattering experiments were performed on mixed compound CeRh0.6Co0.4In5 to clarify the nature of the low-temperature ordered states. Three nonequivalent Bragg pea…
Momentum Dependent Charge Excitations of Two-Leg Ladder: Resonant Inelastic X-ray Scattering of (La,Sr,Ca)14Cu24O41
K. Ishii, K. Tsutsui, T. Tohyama +8
Momentum dependent charge excitations of a two-leg ladder are investigated by resonant inelastic x-ray scattering of (La,Sr,Ca)14Cu24O41. In contrast to the case of a square lattic…
Renormalization of impurity scattering in one-dimensional interacting electron systems in magnetic field
T. Hikihara, A. Furusaki, K. A. Matveev
We study the renormalization of a single impurity potential in one-dimensional interacting electron systems in the presence of magnetic field. Using the bosonization technique and…
Magnetic Excitations in U(Ru_{1-x}Rh_x)_2Si_2 (x<=0.03)
M. Yokoyama, H. Amitsuka, S. Itoh +3
We have investigated magnetic excitations for a mixed phase of hidden order (HO) and the antiferromagnetic (AF) order in U(Ru_{1-x}Rh_x)_2Si_2 (x <= 0.03) by means of inelastic neu…