I= ON FINITE TEMPERATURE AND DENSITY EFFECTS IN QUANTUM FIELD THEORY
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Title of Thesis
ON FINITE TEMPERATURE AND DENSITY EFFECTS IN QUANTUM FIELD THEORY

Author(s)
Samina Saleem
Institute/University/Department Details
Department of Physics/ Quaid-i-Azam University, Islamabad
Session
1988
Subject
Physics
Number of Pages
160
Keywords (Extracted from title, table of contents and abstract of thesis)
finite temperature, density effects, quantum field theory, finite-temperature renormalization, radiative corrections, qed, fermi-dirac distribution, primordial nucleosynthesis, qed renormalization, anomalous magnetic moment

Abstract

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1345.58 KB
S. No. Chapter Title of the Chapters Page Size (KB)
1 0 Contents 0
116.08 KB
2 1 Finite Temperature Field Theory Basic Formalism 5
209.42 KB
  1.1 Motivation 5
  1.2 Finite Temperature Green's Function 12
  1.3 The Real-Time Formalism And Its Advantages 21
3 2 QED Renormalization Program At Low- And High-Temperatures 26
555.54 KB
  2.1 Renorma1ization Program At Zero Temperature 26
  2.2 Finite Temperature Renormalization 31
  2.3 Renorma1ization Constants In 'Low' And 'High' Temperature Regions 42
  2.4 Kinoshita-Lee-Nauenberg Theorem 45
  2.5 Radiative Corrections 48
  2.6 Low Temperature H †’ E + E - Decay Rate 51
4 3 Renormalization And Radiative Corrections At Generalized Temperatures 57
173.09 KB
  3.2 Vertex Graphs 68
  3.3 Finite Temperature Corrections To H †’ E + E - 72
  3.4 Results And Discussion 76
5 4 Renormalization And Radiative Corrections At Finite Temperature And Density 82
285.01 KB
  4.1 Inclusion Of Density Effects 82
  4.2 Finite Temperature And Density Renormalization 84
  4.3 FTD Corrections To H †’ E + E - Decay 88
  4.4 Renormalization At Finite Density 91
  4.5 Results And Discussion 94
6 5 Some Implications Of Finite Temperature Self-Mass Of' Electron 99
191.24 KB
  5.1 Introduction 99
  5.2 Anomalous Magnetic Moment In QED 100
  5.3 Primordial Nucleosynthesis 103
  5.4 Weak Processes 105
  5.5 Helium Abundance Parameter Y 109
  5.6 Finite Temperature Self-Mass And Values Of Y 112
  5.7 Results And Discussion 115
  5.8 Summary And Future Prospects 117
  5.9 Appendix A Evaluation Of Integrals 119
  5.10 Appendix B Calculations Of Vacuum Polarization Tensor 128
  5.11 References And Footnotes 130