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12 papers · 1 filter
Transition from Tonks-Girardeau gas to super-Tonks-Girardeau gas as an exact many-body dynamics problem
Shu Chen, Liming Guan, Xiangguo Yin +2
We investigate transition of a one-dimensional interacting Bose gas from a strongly repulsive regime to a strongly attractive regime, where a stable highly excited state known as t…
Enhancement of ferromagnetism by p-wave Cooper pairing in superconducting ferromagnets
Xiaoling Jian, Jingchuan Zhang, Qiang Gu +1
In superconducting ferromagnets for which the Curie temperature exceeds the superconducting transition temperature , it was suggested that ferromagnetic spin fluctua…
On the room temperature multiferroic BiFeO3: Magnetic, dielectric and thermal properties
Jun Lu, A. Günther, F. Schrettle +7
Magnetic dc susceptibility between 1.5 and 800 K, ac susceptibility and magnetization, thermodynamic properties, temperature dependence of radio and audio-wave dielectric constants…
Reentrance of Bose-Einstein condensation in spinor atomic gases in magnetic field
Chengjun Tao, Zhirong Jiao, Qiang Gu
We calculate the Bose-Einstein condensation (BEC) temperature of spin-1 atomic bosons in external magnetic field, taking into account the influence of the quadratic Zeeman effect.…
Synthetic antiferromagnet with Heusler alloy Co2FeAl ferromagnetic layers
X. G. Xu, D. L. Zhang, X. Q. Li +2
Heusler alloy Co2FeAl was employed as ferromagnetic layers in Co2FeAl/Ru/Co2FeAl synthetic antiferromagnet structures. The experimental results show that the structure with a Ru th…
Magnetic susceptibility, phonons and dielectric constant of single crystalline BiFeO3
Jun Lu, M Schmidt, P Lunkenheimer +4
The magnetic susceptibility between 1.5 and 800 K, the infrared reflectivity at room temperature and the temperature dependence of the dielectric constant at mm-wavelengths are rep…