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10 papers · 1 filter
Electric-dipole active two-magnon excitation in {\textit{ab}} spiral spin phase of a ferroelectric magnet GdTbMnO
N. Kida, Y. Yamasaki, R. Shimano +2
A broad continuum-like spin excitation (1--10 meV) with a peak structure around 2.4 meV has been observed in the ferroelectric spiral spin phase of GdTbMnO…
Metal-insulator transition in superlattices
Shuai Dong, Rong Yu, Seiji Yunoki +3
The modulation of charge density and spin order in (LaMnO)/(SrMnO) (=1-4) superlattices is studied via Monte Carlo simulations of the double-exchange model. G…
Spin Hall Effect of Excitons
Shun-ichi Kuga, Shuichi Murakami, Naoto Nagaosa
Spin Hall effect for excitons in alkali halides and in Cu_2O is investigated theoretically. In both systems, the spin Hall effect results from the Berry curvature in k space, which…
Flavor structure with multi moduli in 5D SUGRA
Hiroyuki Abe, Yutaka Sakamura
We investigate 5-dimensional supergravity on S^1/Z_2 with a physical Z_2-odd vector multiplet, which yields an additional modulus other than the radion. We find additional terms in…
Flux-driven Josephson parametric amplifier
T. Yamamoto, K. Inomata, M. Watanabe +5
We have developed a Josephson parametric amplifier, comprising a superconducting coplanar waveguide resonator terminated by a dc SQUID (superconducting quantum interference device)…
Low-lying Proton Intruder State in 13B
S. Ota, S. Shimoura, H. Iwasaki +30
The neturon rich nucleus 13B was studied via the proton transfer reaction 4He(12Be,13B γ) at 50AMeV. The known 4.83-MeV excited state was strongly populated and its spin and parity…