• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 244
  • 43
  • 28
  • 24
  • 7
  • 6
  • 5
  • 4
  • 3
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • Tagged with
  • 440
  • 230
  • 115
  • 104
  • 97
  • 82
  • 68
  • 63
  • 38
  • 37
  • 37
  • 35
  • 35
  • 34
  • 32
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Some aspects of the dynamics of many-body systems

D'Amico, Irene, January 2000 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 2000. / Typescript. Vita. Includes bibliographical references (leaves 121-122). Also available on the Internet.
12

Partikulare Integrale des Problems der n Körper

Brehm, Erich, January 1908 (has links)
Thesis (doctoral)--Friedrich-Wilhelms-Universität zu Berlin, 1908. / Cover title. Vita.
13

USE OF OPERATOR EQUATION OF MOTION TECHNIQUES IN TREATING COLLECTIVE EXCITATIONS

Poling, David Andrew, 1948- January 1978 (has links)
No description available.
14

Studies in the many-body problem in quantum mechanics

Smith, Vedene Hollet 05 1900 (has links)
No description available.
15

Some aspects of the dynamics of many-body systems /

D'Amico, Irene, January 2000 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 2000. / Typescript. Vita. Includes bibliographical references (leaves 121-122). Also available on the Internet.
16

A 4-valued theory of classes and individuals

Brady, Ross Thomas January 1971 (has links)
No description available.
17

Some problems on the theory of many body systems

Paterson, Mary T. January 1968 (has links)
No description available.
18

Social Media Marketing Strategies Used by Owners of Small Retail Businesses

Dean, Curtis7 01 January 2019 (has links)
Implementing an effective social media marketing strategy campaign to engage customers and increase sales is a challenge for owners of small retail business owners The purpose of this multiple case study was to explore the social media marketing strategies owners of small retail businesses used to increase sales. The conceptual framework for this study was the social media marketing strategy theory. Data were collected from 5 small retail business owners in North Carolina through semistructured, face-to-face interviews and a review of company documents, websites, and social media sites. Data analysis through Yin's 5-step process of compiling, disassembling, reassembling, interpreting, and concluding data resulted in 3 emergent themes: social media engagement strategy, outsourcing strategy, and target market strategy. Owners of small retail businesses might benefit from the findings of this study to increase sales by understanding how to integrate a mix of social media marketing platforms, improve customer engagement, use third-party social media experts to improve advertising, and target customers using social media. The implications of this study for positive social change include the potential for small business owners to increase job opportunities, lower local unemployment rates, and improve local economic growth and stability.
19

Many-body physics in one-dimensional ultra-cold atomic systems. / 一維超冷原子系統中的多體物理 / CUHK electronic theses & dissertations collection / Many-body physics in one-dimensional ultra-cold atomic systems. / Yi wei chao leng yuan zi xi tong zhong de duo ti wu li

January 2011 (has links)
In the first part of the thesis, we investigate ground state properties of Tonks-Girardeau(TG) gas in an one-dimensional periodic trap. The key issue we are interested in is whether periodically-trapped TG gas has an off-diagonal long range order. Through numerical calculations, the single-particle reduced density matrix is computed for systems with up to 265 bosons. Scaling analysis on the occupation number of the lowest orbital shows that there is no Bose-Einstein condensation for the periodically-trapped TG gas in both commensurate and incommensurate cases. We find that, for the commensurate case, the scaling exponents of the occupation number of the lowest orbital, the amplitude of the lowest orbital and the zero-momentum peak height with the particle numbers are 0, 0.5 and 1, respectively, while for the incommensurate case, they are 0.5, 0.5, and 1.5, respectively. These exponents are related to each other by a universal relation. / In the second part we study the one-dimensional "hard-sphere" fermions and bosons systems. The pair distribution functions of the one-dimensional "hard-sphere" fermions and bosons systems have been exactly evaluated by introducing gap variables. Some interesting results are obtained. Meanwhile, the pair distribution function could be measured in experiments, so hopefully our numerical results may be observed experimentally in the near future. / Lastly, we investigate the one-dimensional multi-component fermions and bosons systems. This is an extension of the work of C.N.Yang and Y.Z.You in 2011. Yang and You studied the ground state energy of w-component fermions and bosons with repulsive interactions. In this part, we investigate w-component fermions and bosons in an attractive interaction regime. Several theorems about the ground state energy of w-component fermions and bosons systems are stated and proved. Combing the results in the work of Yang and You, we finally have a comprehensive picture for the ground state energy of one-dimensional fermions and bosons systems. iii / Over the last ten years or so, there have been a number of dramatic experimental developments in trapping, cooling and controlling atoms, which open up new opportunities for studying strongly interacting many-body systems. Cold atom systems are very clean and highly tunable. Systems with different dimensionalities can be realized through optical lattice confinement, and the interactions between atoms can be fine-tuned to any value desired by Feshbach resonance. In this way various simple models can be realized to analyze subtle many-body problems which are difficult to analyze because of the complexity of the systems in real materials. / Wei, Bobo = 一維超冷原子系統中的多體物理 / 魏勃勃. / Adviser: Hai Qing Lin. / Source: Dissertation Abstracts International, Volume: 73-06, Section: B, page: . / Thesis (Ph.D.)--Chinese University of Hong Kong, 2011. / Includes bibliographical references (leaves 76-[80]). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. [Ann Arbor, MI] : ProQuest Information and Learning, [201-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstract also in Chinese. / Wei, Bobo = Yi wei chao leng yuan zi xi tong zhong de duo ti wu li / Wei Bobo.
20

The electronic states of one-dimensional disordered systems.

January 1974 (has links)
Thesis (M.Phil.)--Chinese University of Hong Kong. / Bibliography: leaves 85-86.

Page generated in 0.0467 seconds