Information metric from a linear sigma model.
Information metric from a linear sigma model.
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来自线性西格玛模型的信息度量。
DOI:
10.1103/physreve.85.051133
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发表时间:
2012
期刊:
影响因子:
--
通讯作者:
S. Yahikozawa
中科院分区:
文献类型:
--
作者:
U. Miyamoto;S. Yahikozawa
The idea that a space-time metric emerges as a Fisher-Rao "information metric" of instanton moduli space has been examined in several field theories, such as the Yang-Mills theories and nonlinear σ models. In this paper, we report that the flat Euclidean or Minkowskian metric, rather than an anti-de Sitter metric that generically emerges from instanton moduli spaces, can be obtained as the Fisher-Rao metric from a nontrivial solution of the massive Klein-Gordon field (a linear σ model). This realization of the flat space from the simple field theory would be useful to investigate the ideas that relate the space-time geometry with the information geometry.
DOI:
10.1017/9781009253161
发表时间:
2023-02
期刊:
--
影响因子:
--
作者:
S. Hawking;G. Ellis
通讯作者:
S. Hawking;G. Ellis