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Spacetime Energy Decreases under World-sheet RG Flow | | Michael Gutperle
; Matthew Headrick
; Shiraz Minwalla
; Volker Schomerus
; | | Date: |
7 Nov 2002 | | Journal: | JHEP 0301 (2003) 073 | | Subject: | hep-th | | Abstract: | We study renormalization group flows in unitary two dimensional sigma models with asymptotically flat target spaces. Applying an infrared cutoff to the target space, we use the Zamolodchikov c-theorem to demonstrate that the target space ADM energy of the UV fixed point is greater than that of the IR fixed point: spacetime energy decreases under world-sheet RG flow. This result mirrors the well understood decrease of spacetime Bondi energy in the time evolution process of tachyon condensation. | | Source: | arXiv, hep-th/0211063 | | Services: | Forum | Review | PDF | Favorites | |
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