Stable, Thin Wall, Negative Mass Bubbles in de Sitter Space-Time
479
Acknowledgments We thank Emil Mottola and Edward Wilson-Ewing for useful discussions. We
thank NSERC of Canada for financial support and The Perimeter Institute for Theoretical Physics
for hospitality. N. T. thanks to the Conicyt scholarship 21160064 and the University of Santiago
de Chile. Research at Perimeter Institute is supported by the Government of Canada through the
Department of Innovation, Science and Economic Development Canada and by the Province of
Ontario through the Ministry of Research, Innovation and Science.
References
1. J. Belletête, M.B. Paranjape, On negative mass. Int. J. Mod. Phys. D22, 1341017 (2013)
2. S. Mbarek, M.B. Paranjape, Negative mass bubbles in de Sitter spacetime. Phys. Rev. D90(10),
101502 (2014)
3. W. Israel, Singular hypersurfaces and thin shells in general relativity. Nuovo Cim. B44, 1 (1966)
4. M. Visser, D.L. Wiltshire, Stable gravastars: an alternative to black holes? Classical Quantum
Gravity 21, 1135–1152 (2004)
479
Acknowledgments We thank Emil Mottola and Edward Wilson-Ewing for useful discussions. We
thank NSERC of Canada for financial support and The Perimeter Institute for Theoretical Physics
for hospitality. N. T. thanks to the Conicyt scholarship 21160064 and the University of Santiago
de Chile. Research at Perimeter Institute is supported by the Government of Canada through the
Department of Innovation, Science and Economic Development Canada and by the Province of
Ontario through the Ministry of Research, Innovation and Science.
References
1. J. Belletête, M.B. Paranjape, On negative mass. Int. J. Mod. Phys. D22, 1341017 (2013)
2. S. Mbarek, M.B. Paranjape, Negative mass bubbles in de Sitter spacetime. Phys. Rev. D90(10),
101502 (2014)
3. W. Israel, Singular hypersurfaces and thin shells in general relativity. Nuovo Cim. B44, 1 (1966)
4. M. Visser, D.L. Wiltshire, Stable gravastars: an alternative to black holes? Classical Quantum
Gravity 21, 1135–1152 (2004)