1. E. Silverstein and A. Westphal, Monodromy in the CMB: gravity waves and string inflation, Phys. Rev. D 78 (2008) 106003 [
arXiv:0803.3085
] [
INSPIRE
].
2. L. McAllister, E. Silverstein and A. Westphal, Gravity waves and linear inflation from axion monodromy, Phys. Rev. D 82 (2010) 046003 [
arXiv:0808.0706
] [
INSPIRE
].
3. R. Flauger, L. McAllister, E. Pajer, A. Westphal and G. Xu, Oscillations in the CMB from axion monodromy inflation, JCAP 06 (2010) 009 [
arXiv:0907.2916
] [
INSPIRE
].
4. M. Berg, E. Pajer and S. Sjors, Dante’s inferno, Phys. Rev. D 81 (2010) 103535 [
arXiv:0912.1341
] [
INSPIRE
].
5. E. Pajer and M. Peloso, A review of axion inflation in the era of Planck, Class. Quant. Grav. 30 (2013) 214002 [
arXiv:1305.3557
] [
INSPIRE
].