cerebellum 发表于 2025-3-21 18:19:20

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英寸 发表于 2025-3-21 21:41:05

The Propagation of Light and Measurements of Distance, Luminosity and Mass we actually can determine things precisely. I will start describing the propagation of light in a cosmological setting, follow on to say how we can use these formulas for distance measurements, and then optical measurements of distance, based on brightness and luminosity. These are based on the ide

reception 发表于 2025-3-22 02:30:19

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Blood-Clot 发表于 2025-3-22 05:09:57

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Malleable 发表于 2025-3-22 12:11:41

Slow-Roll Inflation constant. We will see that we can quantify the condition into what is known as “slow-roll inflation”. We will not address other types of inflation in this book, though we will explain what they can be.

vanquish 发表于 2025-3-22 14:04:17

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vanquish 发表于 2025-3-22 17:32:28

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事先无准备 发表于 2025-3-22 23:51:32

Extra Dimensions and Kaluza–Klein. 1, is an old one. Already Theodor Kaluza (in 1921) and Oskar Klein (in 1926) had considered it. The general idea of Klein was to consider that our space is a product of our four dimensional space . and a small compact space ., i.e., ., with .. Then if the volume (or rather, the radii) of the extra

facilitate 发表于 2025-3-23 03:51:25

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天气 发表于 2025-3-23 07:52:30

KK Compactification of Supergravity Modelsraviton, described by the metric . (which can be written as .), except for the coupling to fermions, which is written in terms of .. -gravitino(s)., one for each supersymmetry.Indeed, each supersymmetry . takes us from the graviton to a different gravitino, .. -other fields: scalars ., vectors ., sp
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查看完整版本: Titlebook: Cosmology and String Theory; Horaţiu Năstase Book 2019 Springer Nature Switzerland AG 2019 String Theory in Cosmology.string inflation.ekp