Space-time noncommutative field theories and unitarity
Publication
, Journal Article
Gomis, J; Mehen, T
Published in: Nuclear Physics B
December 18, 2000
We study the perturbative unitarity of noncommutative scalar field theories. Field theories with space-time noncommutativity do not have a unitary S-matrix. Field theories with only space noncommutativity are perturbatively unitary. This can be understood from string theory, since space noncommutative field theories describe a low energy limit of string theory in a background magnetic field. On the other hand, there is no regime in which space-time noncommutative field theory is an appropriate description of string theory. Whenever space-time noncommutative field theory becomes relevant massive open string states cannot be neglected. © 2000 Elsevier Science B.V.
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Published In
Nuclear Physics B
DOI
ISSN
0550-3213
Publication Date
December 18, 2000
Volume
591
Issue
1-2
Start / End Page
265 / 276
Related Subject Headings
- Nuclear & Particles Physics
- 5107 Particle and high energy physics
- 4902 Mathematical physics
- 0206 Quantum Physics
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0105 Mathematical Physics
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Gomis, J., & Mehen, T. (2000). Space-time noncommutative field theories and unitarity. Nuclear Physics B, 591(1–2), 265–276. https://doi.org/10.1016/S0550-3213(00)00525-3
Gomis, J., and T. Mehen. “Space-time noncommutative field theories and unitarity.” Nuclear Physics B 591, no. 1–2 (December 18, 2000): 265–76. https://doi.org/10.1016/S0550-3213(00)00525-3.
Gomis J, Mehen T. Space-time noncommutative field theories and unitarity. Nuclear Physics B. 2000 Dec 18;591(1–2):265–76.
Gomis, J., and T. Mehen. “Space-time noncommutative field theories and unitarity.” Nuclear Physics B, vol. 591, no. 1–2, Dec. 2000, pp. 265–76. Scopus, doi:10.1016/S0550-3213(00)00525-3.
Gomis J, Mehen T. Space-time noncommutative field theories and unitarity. Nuclear Physics B. 2000 Dec 18;591(1–2):265–276.
Published In
Nuclear Physics B
DOI
ISSN
0550-3213
Publication Date
December 18, 2000
Volume
591
Issue
1-2
Start / End Page
265 / 276
Related Subject Headings
- Nuclear & Particles Physics
- 5107 Particle and high energy physics
- 4902 Mathematical physics
- 0206 Quantum Physics
- 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
- 0105 Mathematical Physics