Scalar quantum field theory with a complex cubic interaction

被引：115

作者：

Bender, CM

Brody, DC

Jones, HF

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BZ, England

[2] Washington Univ, Dept Phys, St Louis, MO 63130 USA

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 25期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1103/PhysRevLett.93.251601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this Letter it is shown that an iphi(3) quantum field theory is a physically acceptable model because the spectrum is positive and the theory is unitary. The demonstration rests on the perturbative construction of a linear operator C, which is needed to define the Hilbert space inner product. The C operator is a new, time-independent observable in PT-symmetric quantum field theory.

引用

页码：251601 / 1

页数：4

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