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Kniha
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Many evidences appear in the past decades and show that the negativity of Casimir energy is responsible for exotic mechanical and gravitational effects. We study in this work the Lorentz boost of a Casimir cavity, on which little attention is paid to
Externí odkaz:
http://arxiv.org/abs/2406.01401
Autor:
Zeng, Ding-fang
Publikováno v:
Eur. Phys. J. C 84, 370 (2024)
In gravitational collapses, the horizon and singularity's realisation in the finite future of the proper time used co-moving observer happens in the future of infinitely far away future of the normal time used outside probe. To the latter the horizon
Externí odkaz:
http://arxiv.org/abs/2311.11764
Autor:
Sun, Yu-xuan, Zeng, Ding-fang
The double rod pendulum is a well known classic chaotic system, so its quantum version is an ideal laboratory to test various diagnosis for quantum chaos. We quantise this system canonically and calculate its lowest $10^4$ eigenvalues and eigenstate
Externí odkaz:
http://arxiv.org/abs/2304.00997
Autor:
Zeng, Ding-fang
Publikováno v:
Nucl.Phys.B990(May.2023)116171
We suggest that behind the black hole information paradox is a new and universal radiation mechanism, Gravity Induced Spontaneous Radiation, or GISR hereafter. This mechanism happens to all kinds of compositional objects and it requires only their mi
Externí odkaz:
http://arxiv.org/abs/2207.05158
Autor:
Zeng, Ding-fang
Publikováno v:
Nucl.Phys.B977 (April 2022) 115722
We provide an explicitly hermitian hamiltonian description for the spontaneous radiation of black holes, which is a many-level, multiple-degeneracy generalization of the usual Janeys-Cummings model for two-level atoms. By standard Wigner-Wiesskopf ap
Externí odkaz:
http://arxiv.org/abs/2112.12531
We calculate the cosmological complexity under the framework of scalar curvature perturbations for a K-essence model with constant potential. In particular, the squeezed quantum states are defined by acting a two-mode squeezed operator which is chara
Externí odkaz:
http://arxiv.org/abs/2102.12939
Publikováno v:
In Physics of the Dark Universe February 2024 43
Akademický článek
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Autor:
Zeng, Ding-fang1,2 (AUTHOR) dfzeng@bjut.edu.cn
Publikováno v:
European Physical Journal C -- Particles & Fields. Apr2024, Vol. 84 Issue 4, p1-33. 33p.