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Prog. Theor. Phys. Vol. 111 No. 5 (2004) pp. 745-755

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Induced Gravity from Theory Space

Nahomi Kan and Kiyoshi Shiraishi

Graduate School of Science and Engineering, Yamaguchi University, Yamaguchi 753-8512, Japan

(Received February 15, 2004)

Abstract:

The mass spectrum of a model constructed in a theory space is expressed in terms of eigenvalues of the Laplacian on the graph structure of the theory space. The nature of the one-loop UV divergence in the vacuum energy is then determined by only the degree matrix of the graph. Using these facts, we construct models of induced gravity that do not exhibit quadratic divergences at the one-loop level.


URL : http://ptp.ipap.jp/link?PTP/111/745/
DOI : 10.1143/PTP.111.745

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Citing Article(s) :

  1. Progress of Theoretical Physics Vol. 121 No. 5 (2009) pp. 1035-1048 :
    Emergent Einstein Universe under Deconstruction
    Nahomi Kan and Kiyoshi Shiraishi

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