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pro vyhledávání: '"Ma, DeCheng"'
Analogue gravity stands today as an important tool for the investigation of gravitational phenomena that would be otherwise out of reach considering our technology. We consider here the analogue Penrose process in a rotating acoustic black hole based
Externí odkaz:
http://arxiv.org/abs/2205.01454
Autor:
Ma, Yince, Hong, Tao, Ke, Qiang, Li, Hang, Jin, Wenkai, Yang, Zhiquan, Zhang, Peng, Liao, Zhaoxia, Kang, Kai, Li, Chen, Ma, Decheng, Xu, Xing-Wang
Publikováno v:
In Journal of Asian Earth Sciences 1 August 2024 272
Publikováno v:
Universe 9, 443 (2023)
We consider acoustic propagation of phonons in the presence of a non-rotating vortex with radial flow in a Bose-Einstein condensate (BEC) of photons. Since the vortex can be used to simulate a static acoustic black hole, the phonon would experience a
Externí odkaz:
http://arxiv.org/abs/2112.06235
Spin waves are the low-energy excitations of magnetically ordered materials. They are key elements in the stability analysis of the ordered phase and have a wealth of technological applications. Recently, we showed that spin waves of a magnetic nanow
Externí odkaz:
http://arxiv.org/abs/1909.04457
Autor:
Ma, Decheng, Jia, Chenglong
We numerically investigate the soliton tunnelling process in double-well potential trapped Bose-Einstein condensate. Comparing with the usual low energy few particle tunnelling process, we find that the soliton tunnelling leads to massive particle tr
Externí odkaz:
http://arxiv.org/abs/1903.00141
Autor:
Ma, Decheng1,2 (AUTHOR), Jia, Chenglong2,3 (AUTHOR), Solano, Enrique4 (AUTHOR), Céleri, Lucas Chibebe5 (AUTHOR) lucas@qpequi.com
Publikováno v:
Universe (2218-1997). Oct2023, Vol. 9 Issue 10, p443. 13p.
One dimensional Cherenkov processes in ferromagnetic isolators are studied with perturbation theory under the constraint condition of conservation of energy and momentum. It is shown that the magnon-phonon interaction channels are limited and wave nu
Externí odkaz:
http://arxiv.org/abs/1710.06155
Akademický článek
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Publikováno v:
Acta Petrologica Sinica. 36:948-966