Intro
Preface
Contents
1 Introduction
2 Effective Action and Loop Expansion: General Formulation
3 Superfield Description of Three-Dimensional Supersymmetric Theories
3.1 Definitions and Conventions
3.2 Field Theory Models
3.3 Non-Abelian Gauge Models
3.4 Quantum Description for the Superfield Models
3.5 Effective Action of the Three-Dimensional Superfield Theories and the Proper-Time Method
3.6 Supersymmetry in Three-Dimensional Space-Time and Noncommutativity
3.7 On the Noncommutativity in the Fermionic Sector of the Superspace
3.8 Conclusion

4 Four-Dimensional Superfield Supersymmetry
4.1 General Properties of the Four-Dimensional Superspace
4.2 Field Theory Models in the Four-Dimensional Superspace
4.2.1 Chiral Superfield Models
4.2.2 Abelian Gauge Superfield Model
4.2.3 Non-Abelian Gauge Theories
4.3 Generating Functional and Green Functions for Superfields
4.4 Feynman Supergraphs
4.5 Superficial Degree of Divergence. Renormalization
4.6 Effective Action in Superfield Theories. Superfield Proper-Time Technique
4.7 Problem of Superfield Effective Potential

4.8 The Wess-Zumino Model and a Problem of the Chiral Effective Potential
4.9 General Chiral Superfield Model
4.10 The Higher-Derivative Chiral Superfield Models
4.11 Supergauge Theories
4.11.1 General Description of Supergauge Theories
4.11.2 Background Field Method
4.11.3 Proper-Time Method for the Supergauge Theories
4.12 Conclusions
5 Supersymmetry Breaking
5.1 Explicit Supersymmetry Breaking
5.2 Spontaneous Supersymmetry Breaking
6 Conclusions
Bibliography
Index