SCOAP3 Repository 9 records found  Search took 0.10 seconds. 
1. Nongeometric heterotic strings and dual F-theory with enhanced gauge groups / Kimura, Yusuke
Eight-dimensional nongeometric heterotic strings were constructed as duals of F-theory on Λ 1,1 ⊕ E 8 ⊕ E 7 lattice polarized K3 surfaces by Malmendier and Morrison. [...]
Published in JHEP 1902 (2019) 036 10.1007/JHEP02(2019)036 arXiv:1810.07657
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2. F-theory models on K3 surfaces with various Mordell-Weil ranks — constructions that use quadratic base change of rational elliptic surfaces / Kimura, Yusuke
We constructed several families of elliptic K3 surfaces with Mordell-Weil groups of ranks from 1 to 4. [...]
Published in JHEP 1805 (2018) 048 10.1007/JHEP05(2018)048 arXiv:1802.05195
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3. K3 surfaces without section as double covers of Halphen surfaces, and F-theory compactifications / Kimura, Yusuke
We construct several examples of genus-one fibered K3 surfaces without a global section with type fibers, by considering double covers of a special class of rational elliptic surfaces lacking a global section, known as Halphen surfaces of index 2. [...]
Published in PTEP 2018 (2018) 043B06 10.1093/ptep/pty039 arXiv:1801.06525
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4. Enhancements in F-theory models on moduli spaces of K3 surfaces with ADE rank 17 / Kimura, Yusuke ; Mizoguchi, Shun’ya
We study the moduli of elliptic K3 surfaces with a section with the rank 17. [...]
Published in PTEP 2018 (2018) 043B05 10.1093/ptep/pty033 arXiv:1712.08539
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5. Structure of stable degeneration of K3 surfaces into pairs of rational elliptic surfaces / Kimura, Yusuke
F-theory/heterotic duality is formulated in the stable degeneration limit of a K3 fibration on the F-theory side. [...]
Published in JHEP 1803 (2018) 045 10.1007/JHEP03(2018)045 arXiv:1710.04984
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6. Discrete gauge groups in F-theory models on genus-one fibered Calabi-Yau 4-folds without section / Kimura, Yusuke
We determine the discrete gauge symmetries that arise in F-theory compactifications on examples of genus-one fibered Calabi-Yau 4-folds without a section. [...]
Published in JHEP 1704 (2017) 168 10.1007/JHEP04(2017)168 arXiv:1608.07219
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7. Flavour singlets in gauge theory as permutations / Kimura, Yusuke ; Ramgoolam, Sanjaye ; Suzuki, Ryo
Gauge-invariant operators can be specified by equivalence classes of permutations. [...]
Published in JHEP 1612 (2016) 142 10.1007/JHEP12(2016)142 arXiv:1608.03188
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8. Gauge groups and matter fields on some models of F-theory without section / Kimura, Yusuke
We investigate F-theory on an elliptic Calabi-Yau 4-fold without a section to the fibration. [...]
Published in JHEP 1603 (2016) 042 10.1007/JHEP03(2016)042 arXiv:1511.06912
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9. Negative anomalous dimensions in N=4 SYM / Kimura, Yusuke ; Suzuki, Ryo
We elucidate aspects of the one-loop anomalous dimension of so(6) -singlet multi-trace operators in N=4SU(Nc) SYM at finite Nc . [...]
Published in Nuclear Physics B (2015) 10.1016/j.nuclphysb.2015.09.022
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