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