nocturnal
发表于 2025-3-25 05:21:31
Quantization of Strings,lds introduced in Chap. 3 and applied to quantum field theory in Chap. 4. It will be exploited fully in string theory in the subsequent chapters. In this chapter, we introduce basics in string theory.
值得尊敬
发表于 2025-3-25 07:47:36
Strings on Orbifolds,he E.×E′. heterotic string as the first choice. In a strongly coupled string, nonperturbative effects may produce defects and we have to consider branes also. Compactification of strongly coupled strings are briefly sketched in Appendix B.2.
适宜
发表于 2025-3-25 15:10:13
Orbifold Phenomenology,f the intermediate step cannot contain . of E., it is most probable that exotically charged particles(exotics) would appear.. But this argument utilizes matter only from the untwisted sector. For twisted sector matter, SO(32) breaking can be useful as commented in Sect. 10.4.
Exhilarate
发表于 2025-3-25 17:23:16
Other Constructions,tion and the interesting brane setup. Since obtaining three families is one of the most important objectives going beyond 4D, we discuss these other constructions up to the point of introducing the possibility for three families. We do not attempt to review the whole ideas and realistic model buildings.
inculpate
发表于 2025-3-25 23:02:12
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共同确定为确
发表于 2025-3-26 00:57:29
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indoctrinate
发表于 2025-3-26 06:50:15
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Introvert
发表于 2025-3-26 11:11:39
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Hiatus
发表于 2025-3-26 12:58:19
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Cpr951
发表于 2025-3-26 18:43:16
Some Algebraic Elements of Lie Groups,In this book, we mainly dealt with subgroups embedded in E. or Spin(32)/., which arise in heterotic string.