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Melia’s R<sub>h</sub>= ct Model Is by No Means Flat: 《Journal of Modern Physics》2020年第5期703-711,共9页Rainer Burghardt; With the support of numerous arguments, it has been shown that Melia’s claim that his cosmological Rh = ct model is flat and infinite is erroneous. In contrast, the model is positively curved, closed and, therefore, ...; 关键词：Globally and Locally FLAT COSMOS Melia’s Rh = CT MODEL SUBLUMINAL MODEL Curvature Parameter

Local and Global Flatness in Cosmology: 《Journal of Modern Physics》2019年第12期1439-1453,共15页Rainer Burghardt; We raise the question of how the curvature parameter k is related to the curvature of the universe. We also show that, for a cosmological model that can be interpreted geometrically as a pseudo-hypersphere with a time...; 关键词：Curvature Parameter Bianchi IDENTITIES de SITTER COSMOS SUBLUMINAL COSMOS Rh=ct COSMOS Geometric HORIZON

Quantum twisted double-slits experiments:confirming wavefunctions'physical reality被引量：9: 《Science Bulletin》2017年第17期1185-1192,共8页Zhi-Yuan Zhou Zhi-Han Zhu Shi-Long Liu Yin-Hai Li Shuai Shi Dong-Sheng Ding Li-Xiang Chen Wei Gao Guang-Can Guo Bao-Sen Shi; supported by the National Natural Science Funds for Distinguished Young Scholars of China(61525504);the National Natural Science Foundation of China(11574065,11604322,61275115,61378003,61435011 and 61605194);China Postdoctoral Science Foundation(2016M590570);the Fundamental Research Funds for the Central Universities(11604322);the Key Programs of the Natural Science Foundation of Heilongjiang Province of China(ZD201415).; Are quantum states real? This most fundamental question in quantum mechanics has not yet been satisfactorily resolved, although its realistic interpretation seems to have been rejected by various delayedchoice experim...; 关键词：Orbital angular momentum Subluminal group velocity Double slitsWave functions Physical reality

Subluminal Cosmology: 《Journal of Modern Physics》2017年第4期583-601,共19页Rainer Burghardt; The standard model of cosmology is considered critically. A model with pressure is proposed which is linearly expanding and which is an exact solution of Einstein’s field equations. The recession velocity of the gala...; 关键词：EXPANDING COSMOS with Pressure SUBLUMINAL EXPANSION COVARIANT Representation

Role of incoherent pumping and Er^(3+) ion concentration on subluminal and superluminal light propagation in Er^(3+)-doped YAG crystal: 《Chinese Physics B》2015年第1期269-274,共6页Seyyed Hossein Asadpour H.Rahimpour Soleimani; We study the absorption-dispersion process and group index of weak probe field in a four-level Er^3＋：YAG crystal.We find that the Er^3＋ion concentration and incoherent pumping field can influence the absorption-dis...; 关键词：Er^3＋ion concentration incoherent pumping field SUPERLUMINAL

The manipulation of light pulse from subluminal to superluminal propagation in a degenerate two-level Cs atomic system: 《Science China(Physics,Mechanics & Astronomy)》2014年第12期2246-2250,共5页ZHANG Jun Xiang JIANG Qi Chang LIU Chao ZHANG Xin Sheng LIU Jin Hong; supported by the National Natural Science Foundation of China(Grant Nos.11274210 and 61308121);the Research Fund for the Doctoral Program of Higher Education of China(Grant No.20131401110013);the Undergraduate Student Innovative Experiment Program; We experimentally demonstrate the propagation of light pulse from subluminal to superluminal light based on quantum coher- ence in a degenerate two-level atomic system in a Cs vapor cell. It is shown that the group ve...; 关键词：group velocity SUBLUMINAL SUPERLUMINAL quantum coherence standing wave

Controlling group velocity in a superconductive quantum circuit: 《Chinese Physics B》2012年第10期274-278,共5页邱田会杨国建; Project supported by the National Natural Science Foundation of China (Grant No. 111174040);the Fundamental Research Funds for the Central Universities; We investigate the controllable group velocity of a microwave probe field in a superconductive quantum circuit（SQC） pumped by microwave fields,and the use of such a SQC function as an artificial Λ-type three-level ...; 关键词：SUBLUMINAL SUPERLUMINAL superconductive quantum circuit group velocity

Subluminal to superluminal light propagation in a V-type three-level atomic system interacting with squeezed vacuum: 《Chinese Physics B》2012年第2期243-249,共7页Zhang Qin Qu Guang-Hui Tang Yuan-He Jin Kang Ji Wei-Li; supported by the National Natural Science Foundation of China (Grant No.10874138); We study the light propagation properties in a V-type three-level atomic system interacting with two independent broadband squeezed baths. Using the graphic method, the dependences of the absorption and the dispersion...; 关键词：squeezed vacuum group velocity superluminal propagation subluminal propagation

Sub- and Super-Luminal Phenomena in a Doubly Driven Four-Level System被引量：2: 《Communications in Theoretical Physics》2011年第4期671-675,共5页韩定安曾亚光陈伟成董少光黄纯青朱传云梁佩莹; Supported by National Natural Science Foundation of China under Grant Nos.61008063 and 10547108;the Key Project of National Natural Science Foundation of China under Grant No.60837004;Natural Science Foundation of Education Department of Guangdong Province of China under Grant No.LYM08099;Natural Science Foundation of Foshan University; With the occurrence of an adding driving field, the properties of the dispersion and the absorption of a four-level system are changed greatly. The system can produce the normal and anomalous dispersion regions with p...; 关键词：group velocity SUBLUMINAL SUPERLUMINAL driving fields

Subluminal and Superluminal Phenomena in a Four-Level Atom被引量：1: 《Communications in Theoretical Physics》2008年第7期197-200,共4页HAN Ding-An ZENG Ya-Guang CAO Hui; National Natural Science Foundation of China under Grant No.10547108;the Natural Science Foundation of Foshan University; In a four-level atomic system, we investigate the light pulse propagation properties interacting with only one laser field. It is shown that in the steady state, the group velocity of the light pulse can be changed fr...; 关键词：SUPERLUMINAL SUBLUMINAL

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