On the unitarity of higher derivative and nonlocal theories

被引：6
|
作者：
Bolonek, Katarzyna [1 ]
Kosinski, Piotr [1 ]
机构：
[1] Univ Lodz, Inst Theoret Phys, PL-90236 Lodz, Poland
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL | 2007年 / 40卷 / 38期
关键词：
D O I：
10.1088/1751-8113/40/38/008
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We consider two simple models of higher derivative and nonlocal quantum systems. It is shown that, contrary to some claims found in literature, they can be made unitary.
引用
收藏
页码：11561 / 11567
页数：7
相关论文
共 50 条
  • [1] Renormalization and unitarity in higher derivative and nonlocal gravity theories
    Tomboulis, E. T.
    MODERN PHYSICS LETTERS A, 2015, 30 (3-4)
  • [2] Perturbative approach to higher derivative and nonlocal theories
    Cheng, TC
    Ho, PM
    Yeh, MC
    NUCLEAR PHYSICS B, 2002, 625 (1-2) : 151 - 165
  • [3] S-matrix unitarity and renormalizability in higher-derivative theories
    Abe, Yugo
    Inami, Takeo
    Izumi, Keisuke
    Kitamura, Tomotaka
    Noumi, Toshifumi
    PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS, 2019, 2019 (08):
  • [4] Unitarity of Minkowski nonlocal theories made explicit
    Koshelev, Alexey S.
    Tokareva, Anna
    PHYSICAL REVIEW D, 2021, 104 (02)
  • [5] Triviality of higher derivative theories
    Rivelles, VO
    PHYSICS LETTERS B, 2003, 577 (3-4) : 137 - 142
  • [6] UNITARITY IN HIGHER-DERIVATIVE QUANTUM-GRAVITY
    TOMBOULIS, ET
    PHYSICAL REVIEW LETTERS, 1984, 52 (14) : 1173 - 1176
  • [7] Unitarity of higher derivative spin-3 models
    Mendonca, E. L.
    Schimidt Bittencourt, R.
    ANNALS OF PHYSICS, 2020, 414
  • [8] Cutkosky rules and perturbative unitarity in Euclidean nonlocal quantum field theories
    Briscese, Fabio
    Modesto, Leonardo
    PHYSICAL REVIEW D, 2019, 99 (10)
  • [9] Propagator, tree-level unitarity and effective nonrelativistic potential for higher-derivative gravity theories in D dimensions
    Accioly, A
    Azeredo, A
    Mukai, H
    JOURNAL OF MATHEMATICAL PHYSICS, 2002, 43 (01) : 473 - 491
  • [10] CONCERNING UNITARITY OF S-MATRIX IN DERIVATIVE-COUPLING THEORIES
    MEDVEDEV, BV
    POLIVANO.MK
    SUKHANOV, AD
    SOVIET JOURNAL OF NUCLEAR PHYSICS-USSR, 1969, 8 (02): : 228 - &
12345