Fluctuating Paths and Fields
W. Janke, A. Pelster, H.-J. Schmidt, and M. Bachmann (Eds.)
(World Scientific, Singapore, 2001)

Part III. Variational Perturbation Theory

J.T. Devreese Note on the Path-Integral Variational Approach in the Many-Body Theory
W. Janke Variational Perturbation Theory: A Powerful Method for Deriving Strong-Coupling Expansions
A. Pelster and F. Weißbach Variational Perturbation Theory for the Ground-State Wave Function
I.D. Feranchuk and A. Ivanov Uniformly Suitable Estimation for Thermodynamic Values
T. Yokoyama Path-Integral and Perturbation Methods for Debye-Waller Factors Observed by Extended X-Ray-Absorption Fine Structure Spectroscopy
B. Hamprecht and A. Pelster The Highest-Derivative Version of Variational Perturbation Theory
F. Jasch Fast-Convergent Resummation Algorithm and Critical Exponents of phi^4-Theory in Three Dimensions
B. van den Bossche Critical Exponent alpha of Superfluid Helium from Variational Strong-Coupling Theory
V. Schulte-Frohlinde Five-Loop Expansion of the phi^4-Theory and Critical Exponents from Strong-Coupling Theory

Part I. Path Integrals and Quantum Mechanics
Part II. Quantum Field Theory
Part III. Variational Perturbation Theory
Part IV. Phase Transitions and Critical Phenomena
Part V. Topological Defects, Strings, and Membranes
Part VI. Gravitation, Cosmology, and Astrophysics

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Fluctuating Paths and Fields (World Scientific, Singapore, 2001)
Editorial Board: W. Janke, A. Pelster, H.-J. Schmidt, M. Bachmann