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- Theoretical calculation for AMX spin system with density operators is given and coincides with the results of experiments. 它能有效地防止單量子相干的“漏進(jìn)”并避免使用數字相移器。 在一般譜儀上容易實(shí)現,用密度算符理論對AMX體系進(jìn)行理論計算,實(shí)驗結果與理論預期相符。
- The effects of the nearest neighbour Coulomb repulsion on the distribution of the charge density and the spin density are also discussed. 系統內的第三近鄰電子跳躍相互作用與最近鄰格點(diǎn)間電子Coulomb排斥相互作用之間存在著(zhù)競爭。 此外,對系統中的電荷密度和自旋密度分布受最近鄰格點(diǎn)間電子Coulomb相互作用影響情況亦進(jìn)行了討論。
- The condensed phases such as charge density wave (CDW), spin density wave (SDV) and superconducting phases are predicted within the random phase approximation (RPA). 在無(wú)規周相近似(RPA)范圍內得到各種有序相:電荷密度波(CDW)、自旋密度波(SDW)及超導相存在的可能性,指出發(fā)生這些相變的條件。
- As temperature decreases, paramagnetic-commensurate spin density wave(CSDW)-incommensurate spin density wave(ISDW) transition occurs in the Cr97.02Al2.98 alloy. 隨著(zhù)溫度降低;Cr97.;02Al2
- The effect of spin density wave on 2+1 dimensional BCS-type super-conductors with the next nearest neighbor interaction is investigated with themean-field approximation. 本文研究具有次近鄰互作用的2+1維BCS型超導體與自旋密度波共存的系統。
- We calculate variations of the charge density wave (CDW) and the spin density wave (SDW) gaps,ad well as their classical trajectory ? c,s with increasing on-site Coulomb repoulsion potential. 通過(guò)自旋密度波和電荷密度波的位相結構的變化 ;并結合其相應能隙的變化 ;得到以下結論 :系統的Ising相變與Mott相變不重合 ;中間有一個(gè)SDI(spontaneouslydimerizedinsulating)的過(guò)渡相 .
- Based on a theoretical model for interchain coupled quasi-one-dimensional organic ferromagnet, the charge density wave(CDW) and spin density wave(SDW) that exist in the system are investigated. 基于考慮鏈間耦合的準一維有機鐵磁體的理論模型 ;對存在于系統內的電荷密度波 ( CDW)和自旋密度波 ( SDW)進(jìn)行了研究 .
- Besides, with the Hamiltonian of the interaction between the field and the atom with Kerr medium, the evolution operator and the reduced density operator of the field are derived, then the other basic work model is obtained. 其次，從光場(chǎng)與原子附加克爾介質(zhì)相互作用哈密頓量出發(fā)，得出非線(xiàn)性J-C模型系統的一般時(shí)間演化算符和光場(chǎng)的約化密度算符，得出了本文的基本工作模型之二。
- On the basis of optimized geometries,the charge densities,spin density,bond orders and electronic spectra of above molecule and cation have been calculated. 以?xún)?yōu)化構型為基礎計算其電荷密度、自旋密度、鍵序和電子光譜。
- Mean Field Theory and Spin Density Wave 平均場(chǎng)理論和自旋密度波
- multiple spin density wave state 多路旋轉密度波狀態(tài)
- Nonequilibrium statistical density operator 非平衡態(tài)統計算符
- incommensurate spin density wave 無(wú)公度旋轉密度波
- MAXWELL VELOCITY DISTRIBUTION LAW DERIVED WITH DENSITY OPERATOR 用密度算子推證麥克斯韋速度分布律
- SPIN DENSITY WAVE OF ORGANIC FERROMAGNETS WITH OPEN ENDS 非閉環(huán)結構下有機磁性材料中的自旋密度波性質(zhì)
- The Reduced Atomic Density Operator in the Raman-coupled Model Raman耦合模型中原子的約化密度算符
- The lorry went into a spin on a patch of ice. 卡車(chē)在一片冰地上打滑了。
- USING DENSITY OPERATOR TO STUDY THE ELECTRON POLARIZATION 用密度算符對電子極化的研究
- Let's go for a spin in my new car. 坐我的新汽車(chē)兜一圈吧。
- I've been in a real spin all morning. 我整個(gè)上午都暈頭轉向的。
