Cook, William G.; Glushchenko, Iryna A.; Ijjas, Anna; Pretorius, Franz; Steinhardt, Paul J. (2020). "Supersmoothing through Slow Contraction". Phys. Lett. B. 808. arXiv:2006.01172. doi:10.1016/j.physletb.2020.135690.
Ijjas, Anna; Cook, William G.; Pretorius, Franz; Steinhardt, Paul J.; Davies, Elliot Y. (2020). "Robustness of slow contraction to cosmic initial conditions". JCAP. 2020. arXiv:2006.04999v2. doi:10.1088/1475-7516/2020/08/030.
Garfinkle, David; Ijjas, Anna; Steinhardt, Paul J. (2023). "Initial conditions problem in cosmological inflation revisited". Phys. Lett. B. 843. arXiv:2304.12150. doi:10.1016/j.physletb.2023.13802.
Ijjas, Anna; Sullivan, Andrew P.; Pretorius, Frans; Steinhardt, Paul J.; Cook, William G. (2021). "Ultralocality and Slow Contraction". JCAP. 2021. arXiv:2103.00584v1. doi:10.1088/1475-7516/2021/06/013.
Bardeen, J. M.; Steinhardt, P. J.; Turner, M. S. (1983). "Spontaneous Creation Of Almost Scale-Free Density Perturbations In An Inflationary Universe". Phys. Rev. D. 28 (4): 679–693. Bibcode:1983PhRvD..28..679B. doi:10.1103/PhysRevD.28.679.
Cook, William G.; Glushchenko, Iryna A.; Ijjas, Anna; Pretorius, Franz; Steinhardt, Paul J. (2020). "Supersmoothing through Slow Contraction". Phys. Lett. B. 808. arXiv:2006.01172. doi:10.1016/j.physletb.2020.135690.
Ijjas, Anna; Cook, William G.; Pretorius, Franz; Steinhardt, Paul J.; Davies, Elliot Y. (2020). "Robustness of slow contraction to cosmic initial conditions". JCAP. 2020. arXiv:2006.04999v2. doi:10.1088/1475-7516/2020/08/030.
Garfinkle, David; Ijjas, Anna; Steinhardt, Paul J. (2023). "Initial conditions problem in cosmological inflation revisited". Phys. Lett. B. 843. arXiv:2304.12150. doi:10.1016/j.physletb.2023.13802.
Ijjas, Anna; Sullivan, Andrew P.; Pretorius, Frans; Steinhardt, Paul J.; Cook, William G. (2021). "Ultralocality and Slow Contraction". JCAP. 2021. arXiv:2103.00584v1. doi:10.1088/1475-7516/2021/06/013.
Bardeen, J. M.; Steinhardt, P. J.; Turner, M. S. (1983). "Spontaneous Creation Of Almost Scale-Free Density Perturbations In An Inflationary Universe". Phys. Rev. D. 28 (4): 679–693. Bibcode:1983PhRvD..28..679B. doi:10.1103/PhysRevD.28.679.