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5 papers · 1 filter
Comment on "Bose-Einstein condensation in low-dimensional traps"
Wu-Sheng Dai, Mi Xie
We show that the critical temperature of a one-dimensional gas confined by a power-law potential should be lower than that in the paper of Vanderlei Bagnato and Daniel Kleppner. Mo…
Quantum statistics of ideal gases in confined space
Wu-Sheng Dai, Mi Xie
In this paper, the effects of boundary and connectivity on ideal gases in two-dimensional confined space and three-dimensional tubes are discussed in detail based on the analytical…
The nature of ultra-luminous X-ray sources in NGC4565
H. Wu, S. J. Xue, X. Y. Xia +2
We report the optical identifications of two X-ray luminous point sources in the spiral galaxy NGC4565 based on archive data of Chandra and the Hubble Space Telescope. The central…
Electromagnetic Transition in Waveguide with Application to Lasers
Wu-Sheng Dai, Mi Xie
The electromagnetic transition of two-level atomic systems in a waveguide is calculated. Compared with the result in free space, the spontaneous emission rate decrease because the…
Spectroscopic Properties of QSOs Selected from Ultraluminous Infrared Galaxy Samples
X. Z. Zheng, X. Y. Xia, S. Mao +2
We performed spectroscopic observations for a large infrared QSO sample with a total of 25 objects. The sample was compiled from the QDOT redshift survey, the 1 Jy ULIRGs survey an…