核自旋 的英文怎麼說
中文拼音 [hézìxuán]
核自旋
英文
nuclear angular momentum-
The building block of all lifeforms on earth is the deoxyribonucleic acid. it has the shape of a double helix in which two polynucleotide chains are coiled about each other in a spiral
而組成地球上所有生命的基本單位去氧核糖核酸dna的雙螺旋結構也是非對稱地存在的,原來自然界中的去氧核糖核酸絕大部分都是右旋的。The results show that binding energies per nucleon at each density and various asymmetry parameters fulfill the empirical parabolic law and the asymmetry energy is density dependent. it is found that both scalar and vector potentials of neutron in the neutron rich nuclear matter become stronger although the isospin dependence is not stronger. we compare our results with those in a simple method, where the dbhf nucleon self - energies are extracted from the momentum dependence of the single - particle energy
首先我們要求在每一個密度及各種不對稱系數的核物質中,相對論平均場( rmf )計算出的核子標量與矢量自能與dbhf計算出的標量與矢量自能一致,從而得到在rmf下的密度依賴的有效介子核子耦合常數,包括同位旋標量介子。Firstly the binding energies and the ground state energies of hydrogen impurity in a lens - shaped quantum dot ( gaas / inl - xgaxas ) under vertical magnetic field will be displayed. then how to use the nuclear spin as the quantum bit will be given
首先研究了垂直磁場下透鏡型量子點( gaas / in1 - xgaxas )摻入類氫雜質后基態能和結合能,然後討論了如何利用量子點中雜質核自旋構造量子位。Since the magic number 28, which is the first that requires the introduction of a strong spin - orbit interaction belongs to the if2p shell in the nuclear shell model. so the nuclei in the if2p shell have been a research hotspot in nuclear physics. the doubly odd nucleus 64cu which is also in the if2p shell has been the subject of many experimental investigations previously via various type of nuclear reaction such as 64ni ( p, ny ) and its excitation leveles have been already studied to about 8 mev
放射性核素~ ( 64 ) cu是奇奇核,屬於1f 、 2p殼層,而在原子核殼模型中,第一個需要引入強自旋-軌道藕合才能出現的幻數就在1f 、 2p ? ?殼層,因此if 、 zp殼層一直是核物理領域的研究熱點,近三、四十年來使用了各種不同類型核反應例如『 4ni … , fly )等反應,對『 ll激發態性質進行了廣泛的研究,其激發能級已到了smev左右。High spin states in neutron - rich ~ { 104, 106, 108 } mo nuclei have been studied by measuring the prompt - rays emitted after their formation in the spontaneous fission of 252cf. the measurement was carried out at the lawrence berkeley national laboratory
本論文利用在berkeleygammasphere探測裝置上進行的252cf自發裂變產生的瞬發譜實驗測量得到的三維符合數據,對豐中子~ { 104 , 106 , 108 } mo核進行了高自旋研究。By measuring high - fold prompt - ray coincidence events following the spontaneous fission of 252cf, the high spin states in very neutron - rich 113ru nucleus have been studied. furthermore, some isomers in neutron - rich odd - a nuclei 107 , 109 , 111 , 113ru have been analyzed
通過對252cf自發裂變產生的瞬發譜的測量,對極端豐中子核113ru的高自旋態進行了研究,並對豐中子奇a核107 , 109 , 111 , 113ru的低激發態同質異能態進行了分析。A strong magnetic field in a resonant cavity is an ideal circumstance for initiating the spins and orbital motions of electrons and nuclei in solids.
諧振腔中的強磁場是激發起固體中電子和原子核的自旋和軌道運動的理想環境。By making use of the strong bound quantum dot model and neglecting the effects of impurity on electron wave function, this thesis is also reported how to use the spin of nuclear as the quantum bit
利用強束縛量子點模型,忽略雜質對于電子波函數的影響,我們還討論了如何利用核自旋構造量子位。我們計算了垂直耦合量子點中電子和核子的超精細相互作用。Design and synthesis of high spin ground state molecules is an important content in the research of molecular magnetism
多核配合物高自旋基態分子的設計和合成是分子磁學的一項重要研究內容。The coincidence data were analyzed with the radware software package. through identifying the transitions in the double - gated spectrum by program of xmlev, we have built the level scheme with high spin states for 113ru for the first time
利用三維數據分析的xmlev程序,對躍遷開雙門得到的門譜進行反復的對比研究,識別級聯躍遷,首次建立了豐中子核113ru的高自旋態能級綱圖。The scientists have learned that the earth ' s core is turning in an eastward direction and spinning faster than the earth itself
科學家已經弄明白了地核正在以朝東的方向旋轉且比地球自身的旋轉速度要快。Spin - sin coupling constant
核磁共振自旋Objective : to introduce a new prefabricated post - and - core system, a helical drilling bit and a prefabricated post - and - core consisting of a root canal orifice bur which was designed by the author
摘要目的:介紹一種由螺旋型根管鉆、自行設計的根管口臺階狀車針、預成樁核組成的預成樁核系統。Similarly, the properties of a qubit are independent of its specific physical representation as the spin of an atomic nucleus, say, or the polarization of a photon of light
同樣地,一個量子位元的性質也獨立於特定的物理表現系統,例如原子核的自旋態或光子的偏振。Measurement of the nuclear spin state in kane ' s solid - state quantum computer
固體量子計算機中核自旋讀出Mri can be used to probe internal structure and function of a living body by magnetically labeling the proton spins with the physical property of interest
摘要經由磁性標的界定出氫核自旋與所感興趣物理性質之間的關系,磁振造影已被廣泛的應用在探測活體內部的構造與功能。In their quest to build a computer that would take advantage of the weirdness of quantum mechanics, physicists are pursuing a number of disparate technologies, including superconducting devices, photon - based systems, quantum dots, spintronics and nuclear magnetic resonance of molecules
物理學家想盡各種辦法,希望能利用量子力學的奇異特性來建造出量子電腦,其中包括超導裝置、光子系統、量子點、自旋電子學,以及分子的核磁共振。The nucleon dbhf self - energy in the nuclear medium, therefore, can be calculated with the g matrix in the relativistic hartree - fock approximation. with the calculated nucleon self - energy in the dbhf, we extract nucleon effective interactions hi the framework of the relativistic mean field theory ( rmf ), which contains the effect of the nucleon - nucleon short - range correlation and information of the isospin structure. applying the effective interaction, which is composed of density dependent meson - nucleon coupling constants, we study the properties of finite nuclei and come to some useful conclusions
本文應用相對論dirac - brueckner - hartree - fock ( dbhf )方法,利用新的g矩陣分解方式g = v + g ,用g矩陣在相對論hartree - fock近似下,即等效的dbhf方法,系統地討論了對稱、不對稱核物質及中子物質的性質,利用對稱及不對稱核物質中自能的dirac結構,我們提取出含有核子-核子短程關聯效應和同位旋結構信息的有效相互作用介子耦合常數,並對有限核的性質做了詳細的討論,得到不少有意義的結果。The schemes which are puted forward at ' present have mainly made use of the interaction of atoms and optical - cavity, cold trapped ion, electronics spin or nuclear magnetic resonance, quantum dots manipulation and superconducting quantum interference etc.
目前已經提出的方案主要利用了原子和光腔相互作用、冷阱束縛離子、電子或核自旋共振、量子點操縱、超導量子干涉等。Effects of interference cross section on nucleon spin structure function
干涉截面對核子自旋結構函數的影響分享友人