Results 71 to 80 of about 3,866,682 (201)

Doping change and distortion effect on double-exchange ferromagnetism

, 2005
Doping change and distortion effect on the double-exchange ferromagnetism are studied within a simplified double-exchange model. The presence of distortion is modelled by introducing the Falicov-Kimball interaction between itinerant electrons and ...
Minh-Tien Tran, U. Brandt, V. Zlatic, V. Zlatic, Van-Nham Phan   +4 more
core   +1 more source

Orbital Dependent Exchange-Only Methods for Periodic Systems

, 1999
Various orbital-dependent exchange-only potentials are studied which exhibit correct long-range asymptotic behaviour. We present the first application of these potentials for polymers and by one of these potentials for molecules.
Kurth, S., S"ule, P., Van Doren, V.
core   +1 more source

Light flavor baryon spectrum with higher order hyperfine interactions

, 2009
We study the spectrum of light flavor baryons in a quark-model framework by taking into account the order $\mathrm{O}(\alpha_s^2)$ hyperfine interactions due to two-gluon exchange between quarks. The calculated spectrum agree better with the experimental
't Hooft, Aguilar, Allton, Amsler, Aoki, Aubin, Bo-Qiang Ma, Brink, Buchmann, Capstick, Capstick, Carlson, Chao, Chodos, Chodos, De Rújula, DeGrand, Durr, Eiglsperger, Goity, Gupta, Gupta, Gupta, Gupta, Gürsey, Hayashi, Isgur, Isgur, Isgur, Isgur, Isgur, Jansen, Jenkins, Jido, Klempt, Liu, Löring, Matagne, Matagne, Mattis, Sakita, Titard, Titard, Varshalovich, Witten, Yan Chen, Zou   +46 more
core   +1 more source

Atomic-scale visualization of strain-tailored noncollinear spin textures in an antiferromagnetic ultrathin film

Nature Communications
Crystalline strain is typically considered as an effective approach to engineer low-dimensional antiferromagnets. However, a direct visualization of strained-tailored noncollinear spin textures in antiferromagnetic atomic layers has so far not been ...
Chia-Ju Chen, Tim Drevelow, Yu-Tung Lin, Yi-Pin Chen, Tzu-Yen Cheng, Yen-Hui Lin, Stefan Heinze, Pin-Jui Hsu   +7 more
doaj   +1 more source

Specificity of Phase Transition of Quasi-Spin System in Two-Quantum Exchange with Thermostat

, 2008
The quantum phase transition of the system of N radiators in case of two-photon exchange interaction with cavity electromagnetic field is considered.
Bogolyubov, Brune, Chen, DeGiorgio, Emelyanov, Enaki, Enaki, Enaki, Enaki, Enaki, Haken, Hassan, Hepp, Le Bellak, Liu, McNeil, Nicolae Enaki, Salje, Vitalie Eremeev, Wang, Wang, Yildirim   +21 more
core   +1 more source

Pion-photon exchange nucleon-nucleon potentials

, 2006
We calculate in chiral perturbation theory the dominant next-to-leading order correction to the $\pi\gamma$-exchange NN-potential proportional to the large isovector magnetic moment $\kappa_v = 4.7$ of the nucleon.
Kaiser, N.
core   +1 more source

The Effects of foreign exchange intervention policy in Korea

East Asian Economic Review, 1999
Most countries engage in indirect intervention in the foreign exchange market in order to stabilize the exchange rate under a flexible exchange rate regime, even though the exchange rate is mainly determined in the foreign exchange market. This empirical
Sang In Hwang
doaj   +1 more source

Thickness dependence of chemical ordering and fourfold exchange anisotropy in FeRh/CoFe bilayers

New Journal of Physics
Fourfold exchange anisotropy has recently been discovered in bilayers consisting of a ferromagnetic (FM) layer exchange-coupling with an epitaxial antiferromagnetic (AF) layer.
Jing Meng, Xiaoyan Zhu, Hui Zhang, Dongmei Jiang, Yang Xu, Wenjuan Cheng, Tian Shang, Qingfeng Zhan   +7 more
doaj   +1 more source

A survey of announcement effects on foreign exchange returns [PDF]

Researchers have long studied the reaction of foreign exchange returns to macroeconomic announcements in order to infer changes in policy reaction functions and foreign exchange micro­structure, including the speed of market reaction to news and how ...
Christopher J. Neely, S. Rubun Dey
core  

Reverse Exchangeability and Extreme Order Statistics

, 2013
For a bivariate random vector (X,Y), symmetry conditions are presented that yield stochastic orderings among |X|, |Y|, |max(X,Y)|, and | min(X, Y)|. Partial extensions of these results for multivariate random vectors (X1,...,Xn) are also given.
Jiang, Yindeng, Perlman, Michael D.
openaire   +3 more sources