sidebar
"On the History of Unified Field Theories. Part II. (ca. 1930 – ca. 1965)"
Hubert F. M. Goenner 
Abstract
1 Introduction
2 Mathematical Preliminaries
3 Interlude: Meanderings – UFT in the late 1930s and the 1940s
4 Unified Field Theory and Quantum Mechanics
5 Born–Infeld Theory
6 Affine Geometry: Schrödinger as an Ardent Player
7 Mixed Geometry: Einstein’s New Attempt
8 Schrödinger II: Arbitrary Affine Connection
9 Einstein II: From 1948 on
10 Einstein–Schrödinger Theory in Paris
11 Higher-Dimensional Theories Generalizing Kaluza’s
12 Further Contributions from the United States
13 Research in other English Speaking Countries
14 Additional Contributions from Japan
15 Research in Italy
16 The Move Away from Einstein–Schrödinger Theory and UFT
17 Alternative Geometries
18 Mutual Influence and Interaction of Research Groups
19 On the Conceptual and Methodic Structure of Unified Field Theory
20 Concluding Comment
Acknowledgements
References
Footnotes
Biographies
M-theory is an extension of string theory in an 11-dimensional Lorentz space which can be obtained as the strong coupling limit of type IIA string theory, or as a limit of the maximally-supersymmetric 11-dimensional supergravity. A complete description of M-theory is unknown.