如何自学 占星术 占星教程网盘 塔罗牌教程百度网盘

Polarons and ExcitonsPDF电子书下载

外文

• 作 者：
• 出 版 社：Oliver and Boyd Ltd.
• 出版年份：1963
• ISBN：
• 页数：381 页

图书介绍： 查看图书目录点击购买PDF全本电子书 上一篇：AMERICAN HISTORY VOLUME II 15TH EDITION下一篇：AMERICAN MEN & WOMEN OF SCIENCE 1989-90·17TH EDITION VOLUME 5·M-P 《Polarons and Excitons》目录 标签：

INTRODUCTION TO THE THEORY OF THE POLARON＆H．FROHLICH1

1．Historical Introduction1

2．Qualitative Survey3

2．1．The size of the polaron5

2．2．Simple theory of the polaron effective mass7

2．3．Localization10

3．Macroscopic Model11

4．Derivation of the Hamiltonian14

4．1．Example:a classical point charge at rest20

5．Solutions for Weak Coupling22

Appendix:Canonical transformation from coordinate and momentum variables to creation and annihilation operators28

INTERMEDIATE-COUPLING POLARON THEORY＆DAVID PINES33

1．Introduction33

2．Canonical Transformations36

2．1．Elimination of the electron coordinate and momentum36

2．2．The＂displaced-oscillator＂transformation37

3．Properties of the Intermediate-Coupling Solutions40

4．Range of Validity of Intermediate-Coupling Theory42

STRONG-COUPLING THEORY OF THE POLARON＆G．R．ALLCOCK45

1．Introduction45

2．The Adiabatic Approximation46

2．1．Diagonalization of the interaction46

2．2．The eigenfunctions of H148

2．3．Minimization of H149

2．4．The Born-Oppenheimer approximation51

3．The Harmonic Approximation53

3．1．The structure of the adiabatic Hamiltonian53

3．2．Introduction of translational coordinates54

3．3．Evaluation of the kinetic energy in terms of the translational coordinates56

3．4．The Hamiltonian in the harmonic approximation61

3．5．Some properties of the harmonic Hamiltonian63

3．6．Pekar＇s approximate Hamiltonian65

3．7．Introduction of three extra oscillators66

Appendix:Variational derivation of the polaron rest energy and effective mass in the strong-coupling region67

FEYNMAN＇S PATH-INTEGRAL METHOD APPLIED TO THE EQUILIBRIUM PROPERTIES OF POLARONS AND RELATED PROBLEMS＆T．D．SCHULTZ71

1．Path-Integral Formulation of Quantum Mechanics71

1．1．Introduction71

1．2．Transformation functions and the density matrix74

A．Transformation functions74

B．Density matrix in the canonical ensemble75

1．3．Path-integral formulation of the transformation function76

A．The composition property76

B．Transformation function for infinitesimal times76

C．The path integral77

D．Some remarks77

1．4．Evaluation of path integrals78

A．Free particle,L = 1/2mx279

B．Free harmonic oscillator in one dimension,L = 1/2m(x2-w2x2)79

C．Forced harmonic oscillator in one dimension82

2．Path-Integral Approach to the Polaron,T = 085

2．1．Formulation of the problem in path integrals85

2．2．The Feynman variational principle88

2．3．Ground-state energy and effective mass,Feynman approach90

A．Ground-state energy90

B．Polaron effective mass93

2．4．Polaron model corresponding to the Feynman approximation95

2．5．Perturbation corrections to the Feynman approximation98

3．The Polaron at Finite Temperatures99

3．1．Electron-lattice partition function in path-integral formalism99

3．2．Variational principle and approximate action101

4．Feynman Approximation for other Electron-Lattice Problems104

4．1．Polaron bound to a point defect104

4．2．An exciton interacting with lattice vibrations107

4．3．Bipolarons110

4．4．Polaron in a static magnetic field110

SEMINAR:Polaron Mobility using the Boltzmann Equation111

THE ELECTRICAL TRANSPORT PROPERTIES OF POLARONS＆P．M．PLATZMAN123

1．Introduction123

2．Formulation of the Mobility Problem in terms of the Electron Coordinates alone124

3．A Method of Approximation132

4．First Correction Term135

5．Behaviour of the Impedance138

5．1．Zero temperature,v<1;effective ass139

5．2．General expression for dissipation139

5．3．Dissipation at low temperatures141

5．4．Behaviour at high temperatures146

6．Weak-Coupling Limit:The Boltzmann Equation147

7．Suggestions for Improving Accuracy150

ELECTRON,PHONON AND POLARON PROPAGATORS＆DAVID PINES155

1．Introduction155

2．The One-Electron Green＇s Function156

2．1．Spectral representation of the one-electron Green＇s function159

3．The Phonon Propagator162

4．Electron-Phonon Interactions:Feynman Diagrams163

APPLICATION OF GREEN＇S FUNCTION TECHNIQUES TO THE POLARON PROBLEM＆R．PUFF and G．D．WHITFIELD171

1．Introduction171

2．Definition and General Properties of G172

3．Equations of Motion175

4．Approximate Solutions for Small and Intermediate Values of α178

4．1．Non-interacting case178

4．2．Perturbation theory179

4．3．Hartree-Fock approximation181

5．An Exactly Soluble Model184

6．Strong Coupling186

7．Many-Electron Green＇s Functions and the Strong-Coupling Limit186

SEMINARS ON GREEN＇S FUNCTION METHODS191

1．Theory of the Propagation of Resonant Radiation in a Gas．＆S．DONIACH191

2．Electrical Conductivity in Metals．＆J．RANNINGER202

SELF-TRAPPING OF AN ELECTRON BY THE ACOUSTIC MODE OF LATTICE VIBRATION＆Y．TOYOZAWA211

1．Introduction and Continuum Model211

1．1．Elastic continuum model213

2．The Tight-Binding Model217

2．1．Discontinuous change in the effective mass217

2．2．The variation of the effective mass with coupling constant220

3．Adiabatic Theory of the Self-Trapped State224

3．1．The results of calculation in the case of a simple cubic lattice228

SEMINARS ON LOCALIZED (＂SMALL＂) POLARONS233

1．Model of Thermally-Activated Polaron Motion．＆G．L．SEWELL233

2．Interaction of a Polarizable KC1 Crystal with a Valence-Band Hole．＆S．J．NETTEL245

3．Optical Absorption by Small Polarons．＆D．M．EAGLES255

THEORY OF EXCITONS－I＆R．J．ELLIOTT269

1．Introduction269

1．1．Approximations269

1．2．Formulae for optical properties271

2．Band Theory272

2．1．Band-to-band transitions in semiconductors273

3．Effective-Mass Theory for Excitons275

4．Transitions to Exciton States279

4．1．Direct transitions279

4．2．Indirect transitions282

5．Effect of a Magnetic Field284

5．1．Band states in a magnetic field284

5．2．Band-to-band transitions in a magnetic field285

5．3．Excitons in a magnetic field287

6．Effects of Electron Spin287

7．Exciton Polarization Effects289

8．Some experimental results289

8．1．Germanium289

8．2．Cuprous Oxide290

Appendix292

THEORY OF EXCITONS－II＆H．HAKEN295

1．Introduction295

2．Variational Calculation of the Interaction of an Exciton with the Lattice Vibrations at T = 0297

2．1．Symmetry properties of the basic states297

2．2．Properties of the polaron wave functions297

2．3．Exciton variational principle298

2．4．Evaluation of the effective electron-hole potential in the intermediate-coupling region301

3．Treatment of the Exciton as a Many-Body Problem303

3．1．Historical introduction303

3．2．Treatment of the many-body Hamiltonian305

3．3．Multipole expansion of Coulomb interaction308

3．4．Diagonalization of the pair-pair interaction309

3．5．Transition to the effective two-particle Hamiltonian310

3．6．Summary313

3．7．Recent literature313

4．Feynman Methods Applied to the Exciton Problem313

4．1．Characteristics of Feynman＇s polaron313

4．2．Extension of this method to the exciton314

4．3．Generalization to non-zero temperature315

4．4．On the use of time-ordered operators316

4．5．Disentangling of phonon operators and elimination of phonon coordinates317

4．6．Approximation procedure for calculating the temperature-dependent Green＇s function318

4．7．Use of the trial Hamiltonian to calculate polaron damping and effective mass320

EXPERIMENTS ON THE POLARON＆F．C．BROWN323

1．The Measurement of Carrier Mobility in Polar Crystals323

1．1．Introduction－elementary concepts323

1．2．Survey of polar crystals324

1．3．Drift mobility and Hall mobility326

A．Semiconductors326

B．Insulating photoconductors328

2．Temperature-Dependence of Polaron Mobility335

2．1．Theoretical formulae335

2．2．Experimental results:semiconductors and weakly polar crystals337

2．3．Mobility results－ionic crystals339

A．The alkali halides339

B．The silver halides340

3．Cyclotron Resonance in Silver Bromide345

4．Optical Properties of the Silver Halides347

4．1．Introduction347

4．2．Direct transitions347

4．3．Indirect transitions349

SEMINARS ON EXPERIMENTAL WORK357

1．Polarons in Cyclotron Resonance．＆G．ASCARELLI357

2．Excitons in Germanium．＆T．P．MCLEAN367

3．The Effects of Perturbations upon the Excitonic Spectrum of Cuprous Oxide．＆M．GROSMANN373

相关图书

作者其它书籍

出版社其它书籍

• 《你也可以创造生命的奇迹 来自全球的自我疗愈实证与方法 miraculous moments and extraordinary stories from people all over the w》露易丝·贺（Louise L. Hay）着 2012
• 《“中国印”的世界 骆芃芃篆刻书法艺术展作品集 the collection of exhibition of seal engraving and calligraphic works》骆芃芃着 2012
• 《THE CASE-STUDY METHOD IN PSYCHOLOGY AND RELATED DISCIPLINES》 1986
• 《DETECTION AND SPECTROMETRY OF FAINT LIGHT》JOHN MEABURN
• 《片上与无线网络技术＝ON-CHIP AND WIRELESS NETWORK》王俊辉 2019
• 《被算法操控的生活：重新定义精准广告、大数据和AI=OUTNUMBERED FROM FACEBOOK AND GOOGLE TO FAKE NEWS AND FILTER-BUBBL》（瑞典）大卫·萨普特（DavidSumpter） 2020
• 《太空战：战略、原则与政策＝SPACE WARFARE:STRATEGY PRINCIPLES AND POLICY》（美）约翰·J·克莱恩着 2019
• 《STM32嵌入式技术应用开发全案例实践＝CASES PRACTICE OF STM32 EMBEDDED TECHNOLOGY APPLICATION AND DEVELOPMENT》苏李果 2020
• 《遥感抽样原理与应用=Principles and Applications of Remote Sensing Sampling》朱秀芳 2019
• 《纳米科学技术及应用=NANO SCIENCE & TECHNOLOGY AND APPLICATION》袁哲俊 2019

本类热门

• 1PERIODICAL TITLE ABBREVIATIONS
• 2LEWIN’S GENES XII
• 3Mansfield Park（1814）
• 4CREDIT MODELS AND CRISIS
• 5Pride And Drejudice（1812）
• 6Sense And Sensibility（1811）
• 7HANDBOOK OF BUSINESS FORMULAS AND CONTROLS
• 8Emma（1815）
• 9Northanger Abbey（1818）
• 10HUMANITIES THE EVOLUTION OF VALUES

摘要：本文以“Polarons and Excitons.pdf电子书版文档下载”为中心，详细阐述了该文档的下载途径、内容概述、应用领域以及研究价值。通过对该文档的深入分析，旨在为读者提供全面了解Polarons和Excitons的理论与应用的途径。

1、下载途径

“Polarons and Excitons.pdf电子书版文档下载”可通过多种途径获取。首先，可以在学术搜索引擎如谷歌学术、百度学术等平台搜索相关关键词，找到该文档的下载链接。其次，可以访问相关学术期刊的官方网站，如《物理学报》、《化学学报》等，查找该文档的电子版。此外，还可以通过学术社交平台如ResearchGate、Academia.edu等，联系文档的作者或相关研究者获取下载链接。

在下载过程中，需要注意选择可靠的下载渠道，确保文档的真实性和完整性。同时，遵守版权法规，合理使用文档内容。

此外，一些学术机构或图书馆可能提供该文档的电子版，读者可以咨询所在机构的相关部门获取更多信息。

2、内容概述

“Polarons and Excitons.pdf电子书版文档下载”主要介绍了Polarons和Excitons的基本概念、理论体系以及在实际应用中的重要作用。文档内容涵盖了以下几个方面：

（1）Polarons和Excitons的定义、分类及特点；

（2）Polarons和Excitons的产生机制、演化过程及相互作用；

（3）Polarons和Excitons在固体物理、材料科学、光电子学等领域的应用；

（4）Polarons和Excitons的研究方法、实验技术及理论模型。

文档结构清晰，内容丰富，为读者提供了全面了解Polarons和Excitons的理论与应用的途径。

3、应用领域

“Polarons and Excitons.pdf电子书版文档下载”所涉及的Polarons和Excitons理论在多个领域具有广泛的应用价值。

（1）固体物理：Polarons和Excitons是固体物理中的重要概念，对理解固体材料的电子结构和性质具有重要意义；

（2）材料科学：Polarons和Excitons在材料科学中的应用主要体现在新型功能材料的研发，如光电子材料、半导体材料等；

（3）光电子学：Polarons和Excitons在光电子学中的应用主要体现在光电器件的性能优化和新型光电器件的研发。

随着科技的不断发展，Polarons和Excitons的理论与应用将得到更广泛的关注和应用。

4、研究价值

“Polarons and Excitons.pdf电子书版文档下载”所涉及的研究内容具有重要的理论意义和应用价值。

（1）理论意义：Polarons和Excitons理论为理解固体材料的电子结构和性质提供了新的视角，有助于推动固体物理和材料科学的发展；

（2）应用价值：Polarons和Excitons理论在实际应用中具有广泛的应用前景，如新型功能材料的研发、光电器件的性能优化等。

因此，深入研究Polarons和Excitons理论具有重要的现实意义和战略价值。

总结：

本文通过对“Polarons and Excitons.pdf电子书版文档下载”的详细阐述，使读者对Polarons和Excitons的理论与应用有了全面了解。该文档为相关领域的研究者提供了宝贵的参考资料，有助于推动相关领域的发展。

本文由nayona.cn整理

点击联系需要东西方神秘学学习资料，专业的咨询