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Date:100104 F97222009 劉彥緯

Date:100104 F97222009 劉彥緯. weekly report 100104. Bulk scalar field in RS I model: - Walter D. Goldberger and Mark Wise Phys Rev D 60, 107505 (1999) ( RS I metric ) free scalar field in the bulk: m is of order

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Date:100104 F97222009 劉彥緯

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  1. Date:100104 F97222009 劉彥緯 weekly report 100104

  2. Bulk scalar field in RS I model: -Walter D. Goldberger and Mark Wise Phys Rev D 60, 107505 (1999) (RS I metric ) free scalar field in the bulk: m is of order KK decomposition: effective four dimensional KK modes: the light modes have masses in the TeV range

  3. I also consider that if there is a scalar field on our brane and an interaction term, assume • The authors in Reference [8] mentioned an simple interaction form : use Reference [8] - Kazuya Koyama, Andrew Mennim, and David Wands Phys Rev D 72, 064001 (2005)

  4. After field renormalization, the effective four-dimensional action is : • (problem?) The mass matrix for our goal:

  5. Discussion • I considered a toy model that there exists a bulk scalar field and a brane scalar field, and also an interaction between bulk and brane, but the mass matrix (20) might not achieve our goal. • I should also consider whether the scalar field affect the geometry . • If we want to relate the quintessence with inflaton, the evolution of the universe should be considered.

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