Searching for realistic 4d string models with a Pati–Salam symmetry. Orbifold grand unified theories from heterotic string compactification on a orbifold
2005 ◽
Vol 704
(1-2)
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pp. 3-55
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Keyword(s):
1983 ◽
Vol 9
(5)
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pp. 475-496
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2014 ◽
Vol 29
(18)
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pp. 1430032
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Keyword(s):
1983 ◽
Vol 18
(3)
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pp. 271-273
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