| Автор | Dario Martelli |
| Автор | André Miemiec |
| Дата выпуска | 2002-04-01 |
| dc.description | We consider holographic RG flows which interpolate between non-trivial ultra-violet (UV) and infra-red (IR) conformal fixed points. We study the ``superpotentials'' which characterize different flows and discuss their expansions near the fixed points. Then we focus on the holographic c-function as defined from the two-point function of the stress-energy tensor. We point out that the equation for the metric fluctuations in the background flow is equivalent to a scattering problem and we use this to obtain an expression for the c-function in terms of the associated Jost functions. We propose two explicit models that realize UV-IR flows. In the first example we consider a thin wall separating two AdS spaces with different radii, while in the second one the UV region is replaced with an asymptotically AdS space. We find that the holographic c-function obeys the expected properties. In particular it reduces to the correct - non zero - central charge in the IR limit. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | CFT/CFT interpolating RG flows and the holographic c-function |
| Тип | paper |
| DOI | 10.1088/1126-6708/2002/04/027 |
| Electronic ISSN | 1029- 8479 |
| Print ISSN | 1126-6708 |
| Журнал | Journal of High Energy Physics |
| Том | 2002 |
| Первая страница | 27 |
| Последняя страница | 027 |
| Выпуск | 04 |
