BACKREACTION

作品数：6被引量：0H指数：0
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相关领域：理学更多>>
相关作者：杨英杰张同杰更多>>
相关机构：北京师范大学更多>>
相关期刊：《Communications in Theoretical Physics》《北京师范大学学报（自然科学版）》《Chinese Physics B》《Chinese Physics C》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划更多>>
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Complexity growth for AdS black holes in the presence of backreaction
《Chinese Physics C》2025年第3期197-202,共6页Long Guo Zi-qiang Zhang 
Supported by the National Natural Science Foundation of China(12375140);the Fundamental Research Funds for the Central Universities,China University of Geosciences(Wuhan)。
We investigate the holographic complexity in backreacted gravity backgrounds according to the complexity-action conjecture. The backreaction considered here originates from the presence of static strings evenly distri...
关键词：AdS/CFT correspondence COMPLEXITY BACKREACTION 
Dark Energy Phenomenon from Backreaction Effect
《Communications in Theoretical Physics》2019年第9期1109-1114,共6页Yan-Hong Yao Xin-He Meng 
In this paper, we interpret the dark energy phenomenon as an averaged effect caused by small scale inhomogeneities of the universe with the use of the spatial averaged approach of Buchert. Two models are considered he...
关键词：COSMOLOGICAL model DARK ENERGY COSMOLOGICAL BACKREACTION EFFECT 
哈勃参量限制宇宙的backreaction效应
《北京师范大学学报（自然科学版）》2017年第2期144-150,共7页曹树磊 杨英杰 张同杰 
国家自然科学基金资助项目(11573006;11528306;10473002);科技部973资助项目(2012CB821804)
主要研究不均匀宇宙下的平均宇宙模型对宇宙加速膨胀的解释.首先,通过对该尘埃宇宙模型下的backreaction效应和Larena等提出的模板度规结合,得出了如下结论:FLRW度规对早期宇宙的演化能进行准确描述,但到晚期大约aD>0.1之后与backreact...
关键词：暗能量 BACKREACTION 哈勃参量 
Geometric Backreaction of Modified Quantum Vacua and Diffeomorphrisim Covariance
《Journal of Modern Physics》2016年第3期312-319,共8页Salwa Al Saleh 
In this paper I have shown that squeezed modified quantum vacua have an effect on the background geometry by solving the semi-classical Einstein Field Equations in modified vacuum. The resultant geometry is similar to...
关键词：Casimir Vacuum Scharmhorst Effect Quantum Field Theory on Curved Spacetime Semi-Classical Gravity Diffeomorphrisim Covarience Spacetime Micro-Structure 
Stckelberg Holographic Superconductor Models with Backreactions
《Communications in Theoretical Physics》2013年第1期110-116,共7页彭严 潘启沅 
Supported by the National Natural Science Foundation of China under Grant Nos. 11275066 and 10905020;Program of Changjiang Scholars and Innovative Research Team in University under Grant No. IRT0964;Hunan Provincial Natural Science Foundation of China under Grant Nos. 12JJ4007 and 11JJ7001
We study the Stiickelberg holographic superconductors away from the probe limit. We find that the backreaction of the spacetime can bring richer physics in the phase transition. Moreover we observe that the ratio ω9 ...
关键词：AdS/CFT correspondence Stiickelberg holographic superconductor BACKREACTION 
Quantum backreaction of quantum fluid in Bose Einstein condensates
《Chinese Physics B》2009年第11期4734-4737,共4页徐岩 熊祖周 陈兵 李照鑫 谭磊 
Project supported by the National Natural Science Foundation of China (Grant Nos 10704031 and 1087150);the Scientific Research Foundation for Returned Scholars, Ministry of Education of China;the Foundation of Shandong Educational Committee, China (Grant No J08LI60);the Research Project of ‘SUST Spring Bud',China (Grant No 2008AZZ093)
In this paper, with the full field operator ψ expressed in terms of a particle-number-conserving mean-field ansatz, we investigate the dynamical behaviour of Bose-Einstein condensates from microscopic physics. Includ...
关键词：Bose-Einstein condensate quantum fluctuation mean-field theory 
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