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- It is proved that the tilted axis cranking (TAC) model is equivalence to the particle rotor model (PRM) under the semi-classical and mean field approximations. 闡述了剪刀帶的形成機制,并論證了在半經(jīng)典近似和平均場(chǎng)近似下,傾斜軸推轉模型與粒子轉子模型等價(jià)。討論了原子核在有三軸形變時(shí)出現的一種全新的磁轉動(dòng)現象-手征雙重帶。
- In general, this modified RMF model is an phenomenological theory based on mean field hypnosis,and it generate some numerical value in accordance to experiment results. 改進(jìn)后的 RMF 理論仍然是一個(gè)唯象的 平均場(chǎng)理論,一系列的計算結果都基本接近實(shí)驗結果。
- By using renormalized mean field theory we study charge ordered d-wave resonating valence bond states (dRVB) in doped cuprates, and estimate their energies in the $t-J $ model. 長(cháng)程庫侖作用勢使電荷趨向密度分布不均勻,而動(dòng)能項則喜歡均勻分布的電荷,這兩項 的競爭可能會(huì )導致穩定的電荷序圖案出現。
- This paper advanced a method using thesaurus for ontology merging based on the concept lattice model. 摘要提出了一種基于概念格的,并利用敘詞表的方法進(jìn)行本體合并。
- The results ob-tained agree well with those given by Verges using random Bethe lattice model. 所得結果與Verges用非晶的Bethe晶格模型的計算結果相符.
- By analyzing the algorithm of PERM based on the lattice model,a strategy of how to parallelize PERM is introduced. 1概述格點(diǎn)模型是一種分析和計算均較簡(jiǎn)單的模型。
- Using mean field theory, the effects of depolarization field on the thermodynamic properties of ferroelectric superlattice is studied within the framework of the transverse Ising model. 摘要應用平均場(chǎng)理論,在橫場(chǎng)伊辛模型的框架內,研究了退極化場(chǎng)對鐵電超晶格熱力學(xué)性質(zhì)的影響。
- A lattice model is developed to simulate the failure process of heterogeneous brittle materials. 本文采用二維格構模型在細觀(guān)尺度上模擬巖石類(lèi)材料的破壞過(guò)程。
- This paper gives a mandatory access control model based on both the DTE(Domain and Type Enforcement) prototype and the lattice model of security information flow. 本文介紹了以DTE為原型的強制訪(fǎng)問(wèn)控制模型和以格陣為原型的信息流模型。
- The thesis composes a predigesting energy function combining the existed energy function and the HP lattice model based on the purpose. 基于這種目的,本文將已有能量函數與HP格子模型相結合,構建了一種簡(jiǎn)化的能量函數。
- With the deformed relativistic mean field theory the properties of the superheavy nuclei (superscript 294)118 and (superscript 292)116 are studied. 摘要用形變的相對論平均場(chǎng)理論對超重核(上標294)118及(上標292)116的性質(zhì)進(jìn)行了研究。
- Using square lattice model and an enumeration calculation method, the thermodynamic properties of two-dimensional proteins is investigated. 采用二維正方形格點(diǎn)模型,用完全計算法研究了蛋白質(zhì)分子的熱力學(xué)性質(zhì)。
- This problem describes BCS pairing. It is very convenient to construct the mean field theory using the functional integral representation. 此問(wèn)題描述BCS配對。利用泛函積分表象來(lái)建立平均場(chǎng)理論是十分方便的。
- In this spirit, then we deduced the effective quark-quark interaction with confinement terms and the vacuum condensate at the mean field level in the framework of GCM. 本著(zhù)這種精神,我們推出了具有囚禁特點(diǎn)的等效的夸克-夸克相互作用勢,并在GCM的框架下計算了一些真空凝聚。
- The locally gauge invariant mean field approach is generalized from Abelian gauge groups to non-Abelian gauge groups. The SU(2) Yang-Mills-Higgs field coupling system is analyzed. 本文將定域規范不變的平均場(chǎng)方法由分立的阿貝爾群情況推廣至非阿貝爾連續群情況;計算了SU(2)Yang-Mills場(chǎng)和Higgs場(chǎng)耦合系統的相圖.
- Critical phenomena in laser system, in which optical bistability can occur, are studied with concrete examples and described by the mean field theory in detail. 通過(guò)實(shí)際事例研究了可能出現光學(xué)雙穩性的激光系統中的臨界現象,并且用平均場(chǎng)理論作詳細描述。
- In a system which implements a DTE policy, we define the security class and the information context of the domain, implicitly adopt the lattice model as a partner security policy, thus ensure the integrity and confidentiality of the system. 并在此基礎上提出了一種改進(jìn)的安全系統模型,該模型在實(shí)施DTE的系統中,通過(guò)對域的安全級和上下文的約定,隱式地采用格模型為其伙伴安全策略,確保了系統的完整性和保密性。
- In this dissertation, we firstly reviewed the developmental process and study actuality about ERP and nonlinear dynamics introduced the coupled map lattice model frequently used in nonlinear dynamics domain. 本文首先回顧了事件相關(guān)電位和非線(xiàn)性動(dòng)力學(xué)的發(fā)展過(guò)程及研究現狀,介紹了非線(xiàn)性動(dòng)力學(xué)中常用的耦合映象格子模型。
- In this article,the lattice model of liquid and the expression of liquid viscosity have been extended to elucidate the relationship between viscosity of polymer melts and molecular weights. 在教學(xué)實(shí)踐中,借助于小分子液體模型和液體粘度表達式,結合高聚物結構的特點(diǎn),闡明了高聚物熔體粘度與分子量的關(guān)系。
- The important methods of analysis TMS evoked brain responses include: waveform analysis, spectral analysis, global mean field amplitude (GMFA), minimum-norm estimation (MNE), and so on. TMS誘發(fā)電位分析目前使用的主要方法有:直接波形分析、頻譜分析、全局平均場(chǎng)幅度(GMFA)方法、最小范數估計(MNE)等。