We propose a novel approach to generate and manipulate topological Floquet bound states in the continuum(BICs)via a class of systems constructed by coupling two identical periodically driven one-dimensional Su-Schrief...We propose a novel approach to generate and manipulate topological Floquet bound states in the continuum(BICs)via a class of systems constructed by coupling two identical periodically driven one-dimensional Su-Schrieffer-Heeger chains.The formation of topological Floquet BICs can be adjusted only by tuning the driving amplitude or frequency,regardless of whether the static system has BICs or not.The interchain bias can only change the localization property of topological Floquet BICs,and a bigger bias can lead to transforming topological Floquet BICs into bound states out of the continuum(BOCs).But it does not change the topological properties of these topological Floquet states.Based on the repulsion effect of edge states,we propose to detect occurrence of topological Floquet BICs and transition point between topological Floquet BICs and BOCs using quantum walk.Our work provided a convenient and realistic approach for the experimental realization and manipulation of BICs in a single-particle quantum system.展开更多
以耐旱自交系邯郸177为材料,利用抑制性差减杂交技术(SSH),构建棉花苗期叶片的正向差减文库。挑取300个阳性克隆进行PCR验证,并对验证后的单克隆进行测序和分析,共获得284个有效序列。聚类后得到202条uniESTs序列,其中174条singlets,28...以耐旱自交系邯郸177为材料,利用抑制性差减杂交技术(SSH),构建棉花苗期叶片的正向差减文库。挑取300个阳性克隆进行PCR验证,并对验证后的单克隆进行测序和分析,共获得284个有效序列。聚类后得到202条uniESTs序列,其中174条singlets,28条contigs。经过BlastN分析,156个unigene可以在GenBank中找到同源序列,46个unigene未能找到同源匹配。经BlastX分析,40个unigene与未知功能蛋白或假定蛋白有较高相似性,116条unigene与已知功能蛋白有较高同源性。用KOBAS系统将33个unigene定位到55个Pathways中,其中P值小于0.5的Pathway有23条。初步分析发现,丙酮酸盐代谢(pyruvate metabolism)途径、乙醛酸和二羧酸代谢(glyoxylate and dicarboxylate metabolism)途径与棉花抗旱相关性较大。这些unigene基因涉及信号传导、能量代谢、蛋白质代谢、核酸代谢、光合作用及膜运输等代谢过程。发现了苹果酸合成酶基因(Ms1,001_B03;Ms2,003_E04)、苹果酸脱氢酶基因(Md1,001_C12;Md2,002_F01);NAC(001_C08)、锌指蛋白(zfp,003_C06)、BZR1/BES1(003_G04)等转录调节因子,以及翻译控制肿瘤蛋白基因(TCTP,002_C04)等耐旱相关基因。展开更多
基金supported by the National Natural Science Foundation of China(Grant Nos.12175315 and 12205385)。
文摘We propose a novel approach to generate and manipulate topological Floquet bound states in the continuum(BICs)via a class of systems constructed by coupling two identical periodically driven one-dimensional Su-Schrieffer-Heeger chains.The formation of topological Floquet BICs can be adjusted only by tuning the driving amplitude or frequency,regardless of whether the static system has BICs or not.The interchain bias can only change the localization property of topological Floquet BICs,and a bigger bias can lead to transforming topological Floquet BICs into bound states out of the continuum(BOCs).But it does not change the topological properties of these topological Floquet states.Based on the repulsion effect of edge states,we propose to detect occurrence of topological Floquet BICs and transition point between topological Floquet BICs and BOCs using quantum walk.Our work provided a convenient and realistic approach for the experimental realization and manipulation of BICs in a single-particle quantum system.
文摘以耐旱自交系邯郸177为材料,利用抑制性差减杂交技术(SSH),构建棉花苗期叶片的正向差减文库。挑取300个阳性克隆进行PCR验证,并对验证后的单克隆进行测序和分析,共获得284个有效序列。聚类后得到202条uniESTs序列,其中174条singlets,28条contigs。经过BlastN分析,156个unigene可以在GenBank中找到同源序列,46个unigene未能找到同源匹配。经BlastX分析,40个unigene与未知功能蛋白或假定蛋白有较高相似性,116条unigene与已知功能蛋白有较高同源性。用KOBAS系统将33个unigene定位到55个Pathways中,其中P值小于0.5的Pathway有23条。初步分析发现,丙酮酸盐代谢(pyruvate metabolism)途径、乙醛酸和二羧酸代谢(glyoxylate and dicarboxylate metabolism)途径与棉花抗旱相关性较大。这些unigene基因涉及信号传导、能量代谢、蛋白质代谢、核酸代谢、光合作用及膜运输等代谢过程。发现了苹果酸合成酶基因(Ms1,001_B03;Ms2,003_E04)、苹果酸脱氢酶基因(Md1,001_C12;Md2,002_F01);NAC(001_C08)、锌指蛋白(zfp,003_C06)、BZR1/BES1(003_G04)等转录调节因子,以及翻译控制肿瘤蛋白基因(TCTP,002_C04)等耐旱相关基因。
