Francesco Bigazzi and Aldo Lorenzo Cotrone JHEP08(2003)052 doi:10.1088/1126-6708/2003/08/052
On zero-point energy, stability and Hagedorn behavior of type-IIB strings on pp-waves
Francesco Bigazzi1 and Aldo Lorenzo Cotrone2,3
Show affiliationsType-IIB strings on many pp-wave backgrounds, supported either by 5-form or 3-form fluxes, have negative light-cone zero-point energy. This raises the question of their stability and poses possible problems in the definition of their thermodynamic properties. After having pointed out the correct way of calculating the zero-point energy, an issue not fully discussed in literature, we show that these type-IIB strings are classically stable and have well defined thermal properties, exhibiting a Hagedorn behavior.
- Keywords
- PACS
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11.25.Hf Conformal field theory, algebraic structures
11.27.+d Extended classical solutions; cosmic strings, domain walls, texture
- Subjects
- Dates
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Issue 08 (August 2003)
Received 22 July 2003, accepted for publication 28 August 2003
Published 5 September 2003
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On zero-point energy, stability and Hagedorn behavior of type-IIB strings on pp-waves
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