論文

査読有り
2019年7月1日

A random matrix model with non-pairwise contracted indices

Progress of Theoretical and Experimental Physics
  • Luca Lionni
  • ,
  • Naoki Sasakura

2019
7
開始ページ
073A01
終了ページ
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.1093/ptep/ptz057
出版者・発行元
Oxford University Press (OUP)

<title>Abstract</title>
We consider a random matrix model with both pairwise and non-pairwise contracted indices. The partition function of the matrix model is similar to that appearing in some replicated systems with random tensor couplings, such as the $p$-spin spherical model for the spin glass. We analyze the model using Feynman diagrammatic expansions, and provide an exhaustive characterization of the graphs that dominate when the dimensions of the pairwise and (or) non-pairwise contracted indices are large. We apply this to investigate the properties of the wave function of a toy model closely related to a tensor model in the Hamilton formalism, which is studied in a quantum gravity context, and obtain a result in favor of the consistency of the quantum probabilistic interpretation of this tensor model.

リンク情報
DOI
https://doi.org/10.1093/ptep/ptz057
arXiv
http://arxiv.org/abs/arXiv:1903.05944
共同研究・競争的資金等の研究課題
データ解析の数学的手法が描く正準テンソル模型の時空描像と時空概念の普遍性
共同研究・競争的資金等の研究課題
正準テンソル模型がつなぐ量子重力とランダムテンソルネットワーク
共同研究・競争的資金等の研究課題
テンソル模型による量子重力へのアプローチ及び強く関連する課題の研究
URL
http://academic.oup.com/ptep/article-pdf/2019/7/073A01/28914433/ptz057.pdf
ID情報
  • DOI : 10.1093/ptep/ptz057
  • eISSN : 2050-3911
  • arXiv ID : arXiv:1903.05944

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