On the No-Ghost Theorem in String Theory
Abstract
We give a simple proof of the no-ghost theorem in the critical bosonic string theory by using a similarity transformation.
- Publication:
-
Progress of Theoretical Physics
- Pub Date:
- September 2006
- DOI:
- 10.1143/PTP.116.601
- arXiv:
- arXiv:hep-th/0607105
- Bibcode:
- 2006PThPh.116..601F
- Keywords:
-
- High Energy Physics - Theory
- E-Print:
- 5 pages, v2: a note added and a ref. added, v3: minor refinement of wording, published version