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Effective inhibit energetic cost in stimulated Raman shortcut-to-adiabatic passage

Communications in Theoretical Physics 2021年第2期73卷 78-81页

作者： Feng-Yang Zhang Zhi-Qing Feng Chong Li School of Physics and Materials Engineeing Dalian Minzu UniversityDalian 116600China 2 Department of PhysicsTsinghua UniversityBeijing100084China Department of Physics Tsinghua UniversityBeijing100084China School of Physics Dalian University of TechnologyDalian 116024China

A shortcut to the adiabatic process is an effective method for quantum information *** fast and robust quantum information transfer can be implemented by this *** energetic cost is an important measurement for the *** this paper,we investigate how to inhibit the energetic cost in stimulated Raman shortcut-to-adiabatic passage in a three-level *** energetic cost can be manipulated by adjusting detuning of the system and the energetic cost takes the minimum with one-photon resonance condition.

关键词： Quantum information shortcut-to adiabatic passage energetic cost

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A single factor dominates the behavior of rhythmic genes in mouse organs

A single factor dominates the behavior of rhythmic genes in ...

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2019中国化学会第十五届全国计算（机）化学学术会议

作者： Yang Cheng Luoying Zhang 王光中 CAS Key Laboratory of Computational Biology CAS-MPG Partner Institute for Computational Biology Shanghai Institute of Nutrition and Health Shanghai Institutes for Biological SciencesUniversity of Chinese Academy of Sciences Chinese Academy of Sciences Key Laboratory of Molecular Biophysics of Ministry of Education College of Life Science and Technology and the Collaborative Innovation Center for Brain Science Huazhong University of Science and Technology 中科院 - 马普学会计算生物学伙伴研究所

Circadian rhythms, regulated by both the internal and external environment of the body, are multi-scale biological oscillator with great complexity. At the molecular level, thousands of genes have been shown to exhibit rhythmic transcription, which are both organ-specific and species-specific, but what determines their rhythmicity remains unclear. Here we show that, for circadian rhythmic genes in mouse organs, there is a strong positive correlation between transcription level and rhythmic amplitude, and transcription level can explain more than 70% of the variation in amplitude. Our results further demonstrate that functionality and tissue specificity are not strong predictors of amplitude, and expression levels of rhythmic genes are linked to the energy consumed. This single determinant led us to assess the significance of rhythmic expression itself on the design of the transcriptional system. The rhythmical regulation of highly expressed genes can effectively reduce the energetic cost in transcription, facilitating the long-term adaptive evolution of the whole genetic system.

关键词： Circadian rhythms Rhythmically expressed genes Rhythmic gene function energetic cost

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