relativistic field 中文意思是什麼
relativistic field
解釋
相對論性場- relativistic : adj. 相對論（性質）的。
- field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
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Radiation spectrums of relativistic charged particles in a dipolar magnetic field were studied numerically in detail by using the current density of moving charged particles in this paper
摘要從運動的荷電粒子產生的流密度出發，研究了在地球偶極磁場中運動的相對論性荷電粒子的輻射能量譜，並對其進行數值計算。 -
Effects of the relativistic electron beam on the phase velocity of rf field in accelerator
相對論電子束對波的相速的影響 -
Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented
採用pic方法，通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器，分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。 -
At the other hand, we can perform the rrpa calculation with the continuum replaced by a set of outgoing single particle resonances, it indicates that the resonances in the continuum play an important role in the description of nuclear dynamical processes, such as collective giant resonances. energies, widths and wave functions of the single particle resonant continuum are determined by solving scattering states of the dirac equation with proper asymptotic conditions for the continuous spectrum in the r ' elativistic mean field theory. the relativistic regular and irregular coulomb wave functions are calculated numerically
在進行相對論無規位相近似計算時將連續譜中所有的正能態用單粒子共振態來代替，並且在計算中採用單粒子共振態的真實寬度，利用這種方法我們計算了核的同位旋標量巨八極共振響應函數，並且和考慮了連續譜中所有正能態貢獻的結果進行比較，計算結果表明，連續譜中只考慮單粒子共振態對核的集體激發的貢獻時，給出的響應函數基本上能夠重現考慮了所有正能態貢獻時的計算結果，這說明了在核的集體激發中，連續譜中主要是單粒子共振態的貢獻。 -
The relativistic random phase approximation ( rrpa ) is a relativistic extension of the random phase approximation for studying microscopically nuclear dynamical excitations and giant resonances. the consistency of rrpa calculations requires two aspects : first, it demands that the relativistic mean - field wave " function of nucleus and the particle - hole residual interactions in the rrpa are calculated in a same effective lagrangian. second, the consistent treatment of rrpa within rmf approximation requires the configurations including not only the pairs formed from the occupied fermi states and unoccupied stat es but also the pairs formed from the dirac states and occupied fermi states
自洽的相對論無規位相近似理論的自洽性要求有兩方面的內容：第一，描述原子核的激發態性質和基態性質時必須從同一個有效的拉矢量出發；第二，相對論無規位相近似計算，不但要考慮正能的粒子-空穴組態的貢獻，而且還要考慮從fermi海核子態到dirac海負能核子態形成的對激發的貢獻。 -
From maxwell equations the refractive index equation and hamilton - jacobi equation, which describe the evolution of the electric field, are derived including the effects of the diffraction, the third - order intensity - dependent nonlinearity, plasma defocusing, the focusing and defocusing of the plasma channel, and the relativistic self - focusing
從maxwell方程出發我們得到了兩個包含衍射、三階強度非線性、等離子體散焦、等離子體隧道聚焦和散焦以及相對論自聚焦等效應在內的激光場演化方程，即折射率方程和哈密頓-雅可比方程。 -
Limiting of the spot size of intense relativistic electronic beams in a solenoidal field
螺線管場下強流相對論電子束焦斑尺寸的限制 -
Spontaneous radiation of a relativistic electron in the walking wave magnetic field
相對論性電子在行波磁場中的自發輻射 -
The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method
本文系統的介紹了速調管的工作原理、主要特點、發展概況、主要性能指標和技術特點，解析的研究了電子束在相對論速調管放大器的調制腔和漂移管中的預群聚;用粒子波互作用的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程，同時對線性區的增益進行了計算。理論分析表明，場分析法可用於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙速調管輸出迴路的諧振頻率、間隙阻抗實部和外觀品質因數等特性參數。 -
Self - contradictions of the relativistic quantum mechanics a further research into fundamental theoretical problem of the quantum field theory
相對論量子力學的不自洽性量子場論基本理論問題再探討之一 -
Heavy quarkonium properties are studied in the relativistic quark model based on the quasipotential approach in the quantum field theory
本文在量子場論中基於準勢途徑的相對論夸克模型中研究了重夸克偶素的性質。 -
In the theoretical framework of the relativistic mean field, the influences of ( superscript - ) meson condensate on the equation of state and the particle fractions of neutron star matter including delta isobars are studied
摘要在相對論平均場理論框架下研究了（上標- ）介子凝聚對包括共振態的中子星物質狀態方程及其粒子分佈的影響。 -
According to the energy conservation, the maximum electron efficiency is evaluated either with or without the relativistic effect. the result shows that the efficiency to translate the energy from dc field to rf field will increase with the increase of input voltage to some degree
最後，我們從能量的觀點出發推導出milo的最大電子效率及相對論效應對電子效率的影響，得到的結果表明在一定程度上提高輸入電壓可以提高電子將直流場能轉換為交流場能的效率。 -
Relativistic back wave oscillator ( rbwo ) with a coaxial structure has a big power capacity of system. with large radius electron beam to decrease the space charge effects without usage of high current, hence the rbwo can work well at a lower axial guide magnetic field
同軸返波管具有很大的功率容量，可以採用大半徑電子注，在工作電流不變的情況下空間電荷效應大幅度降低，因而可工作在低磁場狀態。 -
Quantum mechanics can be formulated in either a relativistic or non - relativistic manner. relativistic quantum mechanics ( quantum field theory ) provides the framework for some of the most accurate physical theories known
量子力學要麼可以用相對論要麼用非相對論方式來闡明。相對論量子力學（量子場論）為某些熟悉的最精確物理理論提供了框架。 -
This thesis is devoted to studying those issues relevant to the interaction of ultra - short ultra - intense laser pulses with overdense plasmas, including the generation and transport of relativistic electron beams, the generation of quasistatic magnetic field, the energetic ions production, and the influence of preplasma on electrons acceleration
本文的研究目的是：利用粒子模擬方法，對超短超強激光脈沖與高密度等離子體相互作用中高能強電流的產生和輸運、準靜態磁場產生、高能離子產生等物理過程進行研究。 -
Analysis of intense relativistic electron beams transportation in low magnetic field
強流相對論環形電子束在低磁場中傳輸分析 -
Those filaments self - organize in coaxial structures where the relativistic current in the center is surrounded by intense magnetic field and the return current sheath, and the magnetic field decreases abruptly to zero outside the relativistic current
電流絲自組織形成同軸結構，束流被強磁場和迴流鞘層包圍，磁場在電流絲外迅速衰減到0 。 -
It is widely known that the relativistic mean field ( rmf ) method is rather successful in the researches of nuclear matter, finite nuclei and other fields. in our paper, we use the basical spirit of rmf in practical calculation
鑒于相對論平均場（ rmf ）理論在對核物質，有限核，以及其他領域研究中的運用取得了較大的成功，在本文的實際計算中，我們亦採用相對論平均場的思想。 -
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。
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