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On the linearization of Maxwell equations in the field of a weak gravitational wave: L. Baroni, Istituto di Fisica, Università di Bologna, Italy; P. Fortini and C. Gualdi, Istituto di Fisica, Università di Ferrara, Italy


Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
116 KB
Volume
161
Category
Article
ISSN
0003-4916

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✦ Synopsis


In this paper an algebraic approach to canonical quantization on indefinite inner product space is presented. Concrete realization of such quantization of given classical system described by a symplectic space (M. a) is obtained by means of so called ./*-representation of CCR algebra d(M, 0). So-called Fock-Krein representations of d(M. a) determined by some class of complex structures on (M, u) are studied in detail. It is shown that every Fock-Krein representation is unbounded. Starting with fixed Fock-Krein representation of CCR, sectors of non-Fock-Krein representations are constructed. Israel-Wilson Me/rim BRIAN WHITT.


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Invariance of actions, rheonomy, and the
📂 Article 📅 1984 🏛 Elsevier Science 🌐 English ⚖ 74 KB

A new definition of rheonomy is proposed based on Bianchi identities instead of field equations. For theories with auxiliary fields, the transformation rules are obtained in a completely geometrical way and invariance of the action is equivalent to dY = 0, which means surface-independence of the act