Scientific Backgrounds
نویسندگان
چکیده
منابع مشابه
Quantum Backgrounds
We introduce the concept of a quantum background and a functor QFT. In the case that the QFT moduli space is smooth formal, we construct a flat quantum superconnection on a bundle over QFT which defines algebraic structures relevant to correlation functions in quantum field theory. We go further and identify chain level generalizations of correlation functions which should be present in all qua...
متن کاملResolving Backgrounds
The aim of this paper is to treat background (non-focus) elements as anaphoric, i.e. as objects which are formally subject to the same conditions which hold for other anaphora. The idea that backgrounds are anaphoric is inherent in many approaches to information structure, but they are rarely treated as such formally. I will discuss two problems which seem to challenge a strict anaphoricity app...
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We present exact solutions characterised by Bianchi-type I, II, III, V, VI 0 , VI h four-dimensional metric, space-independent dilaton, and vanishing torsion background, for the low energy string eeective action with zero central charge deecit. We show that, in such a context, curvature singularities cannot be avoided, except for the trivial case of at spacetime and constant dilaton. We also pr...
متن کاملQuantum Backgrounds and Qft
We introduce the concept of a quantum background and a functor QFT. In the case that the QFT moduli space is smooth formal, we construct a flat quantum superconnection on a bundle over QFT which defines algebraic structures relevant to correlation functions in quantum field theory. We go further and identify chain level generalizations of correlation functions which should be present in all qua...
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ژورنال
عنوان ژورنال: Nature
سال: 1928
ISSN: 0028-0836,1476-4687
DOI: 10.1038/122528b0