String states, loops and effective actions in noncommutative field theory and matrix models
Refining previous work by Iso, Kawai and Kitazawa, we discuss bi-local string states as a tool for loop computations in noncommutative field theory and matrix models. Defined in terms of coherent states, they exhibit the stringy features of noncommutative field theory. This leads to a closed form fo...
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| Format: | Article |
| Language: | English |
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Elsevier
2016-09-01
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| Series: | Nuclear Physics B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0550321316301717 |
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doaj-315455d9204a414d8dfdd472c5923cb82020-11-24T22:55:26ZengElsevierNuclear Physics B0550-32131873-15622016-09-01910C34637310.1016/j.nuclphysb.2016.06.029String states, loops and effective actions in noncommutative field theory and matrix modelsHarold C. SteinackerRefining previous work by Iso, Kawai and Kitazawa, we discuss bi-local string states as a tool for loop computations in noncommutative field theory and matrix models. Defined in terms of coherent states, they exhibit the stringy features of noncommutative field theory. This leads to a closed form for the 1-loop effective action in position space, capturing the long-range non-local UV/IR mixing for scalar fields. The formalism applies to generic fuzzy spaces. The non-locality is tamed in the maximally supersymmetric IKKT or IIB model, where it gives rise to supergravity. The linearized supergravity interactions are obtained directly in position space at one loop using string states on generic noncommutative branes.http://www.sciencedirect.com/science/article/pii/S0550321316301717 |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
Harold C. Steinacker |
| spellingShingle |
Harold C. Steinacker String states, loops and effective actions in noncommutative field theory and matrix models Nuclear Physics B |
| author_facet |
Harold C. Steinacker |
| author_sort |
Harold C. Steinacker |
| title |
String states, loops and effective actions in noncommutative field theory and matrix models |
| title_short |
String states, loops and effective actions in noncommutative field theory and matrix models |
| title_full |
String states, loops and effective actions in noncommutative field theory and matrix models |
| title_fullStr |
String states, loops and effective actions in noncommutative field theory and matrix models |
| title_full_unstemmed |
String states, loops and effective actions in noncommutative field theory and matrix models |
| title_sort |
string states, loops and effective actions in noncommutative field theory and matrix models |
| publisher |
Elsevier |
| series |
Nuclear Physics B |
| issn |
0550-3213 1873-1562 |
| publishDate |
2016-09-01 |
| description |
Refining previous work by Iso, Kawai and Kitazawa, we discuss bi-local string states as a tool for loop computations in noncommutative field theory and matrix models. Defined in terms of coherent states, they exhibit the stringy features of noncommutative field theory. This leads to a closed form for the 1-loop effective action in position space, capturing the long-range non-local UV/IR mixing for scalar fields. The formalism applies to generic fuzzy spaces. The non-locality is tamed in the maximally supersymmetric IKKT or IIB model, where it gives rise to supergravity. The linearized supergravity interactions are obtained directly in position space at one loop using string states on generic noncommutative branes. |
| url |
http://www.sciencedirect.com/science/article/pii/S0550321316301717 |
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AT haroldcsteinacker stringstatesloopsandeffectiveactionsinnoncommutativefieldtheoryandmatrixmodels |
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1725656275631472640 |