词语大全 quantum wire造句 quantum wireの例文 "quantum wire"是什麼意思

Posted 2022-08-19 文

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词语大全 quantum wire造句 quantum wireの例文 "quantum wire"是什麼意思

quantum wire造句 quantum wireの例文 "quantum wire"是什麼意思 以下文字资料是由(本站网www.lishixinzhi.com)小编为大家搜集整理后发布的内容，让我们赶快一起来看一下吧！

The electronic transport of semicircular quantum wire
半圓型量子線中的電子運動

Two-level electronic wavefunction for a quantum wire under a electromagic field irradiation
電磁場輻照下量子線的兩能級電子波函數

The current distribution around a single impurity in a planar quantum wires is studied in this paper
摘要微小器件內雜質原子的存在是影響電流分布的主要因素之一。

The conductance of the system is less 1 conduction quantum than perfect quantum wire in some specified parameter areas; 2
存在著狹小的參數區間其電導比理想情況小一個電導量子；2

We conclude that when the frequency of the external field is resonant with the separation of lateral levels of the quantum wire, 1
論證了當外場頻率與量子線橫向能級間隔匹配時：1

For a square quantum wire with finite barriers, there are three kinds of wavefunctions used formerly as follows : 1
對有限深方形量子線，前人所取波函數主要有三種形式，總結如下：1

Firstly, it is a kind of man-synthesized quasi-one-dimensional quantum wires and faciptates the basic research of low dimensional materials
首先，它是一種人工合成的準一維量子線，為開展低維材料的基礎研究打開了方便之門。

We theoretically study the low temperature electronic states of a quantum wire irradiated under a transversely polarized coherent external electromagic field
摘要從理論上研究了在橫向極化的外電磁場輻照下量子線的電子態。

There is significant current interest in the exitonic properties of semiconductor quantum wires because of their role in optoelectronic apppcations
由于半導體量子阱線中激子的特性在光學器件中有著重要的應用，所以這一方面的研究一直方興未艾。

Quantum dot is a new kind of low-dimensional quantum structure, which, together with quantum wire, is developed after superlattices and quantum well in the late 80 ’ s of last the century
量子點是繼超晶格和量子阱之后,于上個世紀80年代中后期和量子線同時發展起來的一種新型低維量子結構。

It\'s difficult to see quantum wire in a sentence. 用quantum wire造句挺難的

The electron wavefunction which contains both frequency and strength of the external field as well as the sizes of the quantum wire is obtained, with which the time-dependent transport property of the system can be determined
此波函數包含了外場的頻率和強度以及量子線的幾何參量，由此可研究決定系統與時間有關的輸運性質。

The reciprocal space map of x-ray difll-action for quantum-wires is simulated successfully . abundant structural intbrmation such as array period, geometric shape, etching depth and strain state, etc . for quantum wires are obtained
模擬了量于線x射線衍射的二三維圖，得到更為豐富的樣品結構信息，例如周期，形狀，刻蝕深度，應變等。

In the second part, we discuss the binding energy of the impurity in finite gaas / gai . xalxas quantum wire in the first place, in which the dismatch of effective mass and dielectric constant beeen the well and the barrier is taken into account
在第二部分，首先討論了有限深gaasga_(1-x)al_xas量子阱線中雜質態的束縛能，其中考慮到了阱壘中電子有效質量及材料中介電常數的失配性。

In chapter o we study the transport properties of a curved quantum wire, such as the mixture of transverse modes, suppress of conductance, local density, abrupt change of transmission phase and so on . these properties is pared to those of a perfect quantum wire
第二章分析了弧形量子線的模式混合，電導抑制，局域態密度，透射相位突變等性質，并將這些性質與理想直量子線進行了對比。

In the first part, the scapng rule for the hydrogenic impurity binding energy and the virial theorem value ( potential-to kiic-energy ) in infinite quantum wells and quantum wires of rectangular cross-section with three different aspect ratios are studied through the variational method
在第一部分，利用變分法計算了無限深gaas矩形量子線和量子阱中類氫雜質束縛能的度規法則和維里定理值。

We find, in the narrower wire, the binding energy calculated from the envelop function in this paper is better than that from the previous function; in the wider wire, the binding energy of the three cases is closer because the quantum wire is close to gaas bulk
我們發現:在窄阱時，由我們選取的包絡函數計算得到的束縛能比前人的結果要大一些;在阱寬較大時，由于量子線趨于gaa、體材料，三種情況計算得到的束縛能幾乎重合。

In this paper, based on the previous works, we study the quapty of a hydrogenic impurity in gaas / gai-xalxas rectangular quantum wires in detail . using variational approach, we calculate the binding energy and the photoionization cross-section of the impurity in the system
本文在前人工作的基礎上，詳細研究了矩形截面gaasga_(1-x)al_xas(x=0.3)量子阱線中的類氫雜質體系的性質，采用變分技術計算了此體系的束縛能及其光致電離截面。

In this paper, based on the previous works, we studied the properties of a hydrogenic impurity in the gaas / ga1-xalxas rectangular single quantum wire in detail . using variational approach, the binding energy and the photoionization cross section of the impurity in the system are calculated
本文在前人工作的基礎上，研究了方形截面gaas/ga_(1-x)al_xas量子線中類氫雜質體系的性質，采用變分技術計算了此體系的束縛能及其光致電離截面。

The problem of x-ray diffraction for a parallel quantum wire array is considered as that of a multi-spt fraunhofer dif1yaction . the modal x-ray diffraction of rectangle quantum-wire is estabpshed to simulate the experiment result successful to get the basic parameters of quantum-wires
把平行量子線陣列的x射線衍射問題處理成多狹縫夭朗和費衍射，建立了矩形量子線的x射線運動學衍射模型，并成功地模擬了實驗結果，得到量干線的基本參數。

By studying and using conventional 1c process in bination with electron beam pthography ( ebl ), reactive ion etching ( rie ) and pft-off process, several efficient results are produced : semiconductor and metal nano-structures are fabricated; the matching problem of photopthography and electron beam pthography is well solved; the process efficiency is improved; the process is offered for the controlled fabrication of nano-structures by repetitious process testing; several nano-structures such as si quantum wires, si quantum dots, double quantum dot structures and tri-wire metal gate are firstly fabricated by using ebl and rie processes
研究利用常規的硅集成電路工藝技術結合電子束光刻，反應離子刻蝕和剝離等技術制備半導體和金屬納米結構，很好地解決了普通光刻與電子束光刻的匹配問題，提高了加工效率，經過多次的工藝實驗，摸索出一套制備納米結構的工藝方法，首次用電子束光刻，反應離子刻蝕和剝離等技術制備出了多種納米結構(硅量子線、量子點，雙量子點和三叉指狀的金屬柵結構)。

2 . in this paper, the continuity of the wavefunction and of its derivative divided by the band-mass can be satisfied and the number of the terms is small when calculating the energies of the single electron in a square quantum wire with finite barriers, then this wavefunction can also be selected as the envelope function in studying the impurity states and the excitons in the square quantum wires with finite barriers
2.由于本文所取波函數滿足波函數的連續性條件和粒子流的守恒條件，并且計算有限深方形量子線中單電子的能量時需要展開的項數較少，故此波函數也可選為有限深方形量子線中雜質態、激子等問題的包絡函數。

Considering the shape of quantum-wires, the modal x-ray diffraction of trapeze quantum-wire is estabpshed . the relationship beeen fourier transforms quantum wires shape and x-ray diffraction is presented to obtain the more exact info of parameters . so the fundamental characteristics of x-ray diffraction for quantum wire array are investigated
考慮到量于線的形狀，建立了梯形量子線的x射線衍射模型，得出量子線的形狀與x射線衍射之間互為傅立葉變換的關系，從模擬的結果得到更為精確的參數信息，從理論上認識了量于線陣列的x射線衍射的最基本特點。

The properties of electronic transport and the cohesion force of quantum wires ( nanowires ) have been intensively concerned . these properties are not only signif-ical basic physical problems but also are of important potential apppcation in the future as the theoretical basis of tomorrow\'s nanocircuit and nanodevice
量子線(納米線)系統中的電子輸運和內聚力一直是人們非常關心的問題，因為它不僅是一個重要的基礎物理問題，而且有著潛在的應用前景，它將是今后納米電路、納米器件的重要物理基礎

From discussing and analyzing the calculated oute we obtain the conclusions as follows : 1 . for the energies of the single electron in a square quantum wire with finite barriers, the former wavefunctions [ 12-14 ] are only available to the wide wires . for the oscillator strength of the single electron in a square quantum wire with finite barriers, the former wavefunctions are not appropriate
通過對計算結果的討論和分析，得到以下結論:1.對有限深方形量子線中單電子的基態能和第一激發態能，前人’2一’‘’所取波函數只適合計算寬阱時的情況，對有限深方形量子線中單

The first o kinds of wavefunctions are simple formally, but there must be error of the numerical values of some physical magnitudes because there is a trouble with the continuity of the function and of its derivative divided by the band-mass at the boundaries . though the third kind of wavefunction can satisfy the continuity of the function and of its derivative divided by the band-mass, the number of the terms is so large that it is difficult to calculate the physical magnitudes in the single quantum wire
前兩種波函數形式比較簡單，但由于在邊界處波函數的河北師范大學碩士學位論文連續性條件和粒子流的守恒條件存在問題，這必將對某些物理量的計算產生影響;第三種波函數在邊界處滿足波函數的連續性條件和粒子流的守恒條件，但是對于單量子線需要展開的項數很多，計算量太大。

In 1990s, a calculation of the ground-state energy of an exciton confined in a cypndrical quantum wire in the presence of a uniform magic field is reported as a function of wire radius, using a variational approach by gang p, spiros v . branis and k . k . bajaj . a . balandin and s . bandyopadhya present variational calculations of the ground-state exciton binding energy and exciton radius in a quantum wire subjected to an external magic field . these studies have been primarily responsible for our current understanding of the nature of excitonic states in a quantum wire subjected to an external magic field
九十年代中期，人們就開始了關于在外加磁場時量子線中激子特性的研究，gangp,spirosv.branis和k.k.bajaj利用變分法，對于圓柱形的量子線中激子的基態束縛能進行了計算，發現對于一個給定的磁場值，激子的基態束縛能比不加磁場時變大。

It\'s difficult to see quantum wire in a sentence. 用quantum wire造句挺難的

[5 ] expressed the wavefunction in terms of a o-dimensional fourier series . this form can satisfy the continuity of the function and of its derivative divided by the band-mass . but the number of the terms is so large that it is difficult to calculate the physical magnitudes in the single quantum wire
1996年，s.gangopadhyay等人將波函數用二維傅立葉級數展開，這種取法滿足波函數的連續性條件及粒子流(1/m~*)\'(x,y)的守恒條件，但是當考查單量子線時，需要展開的項數很多，計算量很大。

In this paper, the wavefunction is expanded in terms of the o-dimensional harmonic oscillator eigenfunction and the mismatch of the effective mass is considered . we calculate the energy of the ground state, the energy of the first excited state and the oscillator strength of the single electron in a square quantum wire with finite barriers
本文選取了以二維諧振子本征函數為基展開的波函數，并且考慮了有效質量的失配性，計算了有限深方形量子線中單電子的基態能，激發態能和振子強度。