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Standard Model as a Double Field Theory

Title
Standard Model as a Double Field Theory
Authors
Choi, Kang-SinPark, Jeong-Hyuck
Ewha Authors
최강신
SCOPUS Author ID
최강신scopus
Issue Date
2015
Journal Title
PHYSICAL REVIEW LETTERS
ISSN
0031-9007JCR Link1079-7114JCR Link
Citation
vol. 115, no. 17
Publisher
AMER PHYSICAL SOC
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We show that, without any extra physical degree introduced, the standard model can be readily reformulated as a double field theory. Consequently, the standard model can couple to an arbitrary stringy gravitational background in an O(4, 4) T-duality covariant manner and manifest two independent local Lorentz symmetries, Spin(1, 3) x Spin(3, 1). While the diagonal gauge fixing of the twofold spin groups leads to the conventional formulation on the flat Minkowskian background, the enhanced symmetry makes the standard model more rigid, and also stringy, than it appeared. The CP violating theta term may no longer be allowed by the symmetry, and hence the strong CP problem can be solved. There are now stronger constraints imposed on the possible higher order corrections. We speculate that the quarks and the leptons may belong to the two different spin classes.
DOI
10.1103/PhysRevLett.115.171603
Appears in Collections:
스크랜튼대학 > 스크랜튼학부 > Journal papers
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