Built on

T. Bjorkmo and M. D. Marsh, Hyperinflation generalised: from its attractor mechanism to its tension with the ‘swampland conditions’ , JHEP 04
Original
1901
Earlier work this paper cites.
A. Achúcarro, E. J. Copeland, O. Iarygina, G. A. Palma, D.-G. Wang and Y. Welling, Shift-symmetric orbital inflation: Single field or multifield? , Phys. Rev. D 102
Original
1901
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T. Bjorkmo, Rapid-Turn Inflationary Attractors , Phys. Rev. Lett. 122
Original
1902
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J. Fumagalli, S. Garcia-Saenz, L. Pinol, S. Renaux-Petel and J. Ronayne, Hyper-Non-Gaussianities in Inflation with Strongly Nongeodesic Motion , Phys. Rev. Lett. 123
Original
1902
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P. Christodoulidis, D. Roest and E. I. Sfakianakis, Attractors, Bifurcations and Curvature in Multi-field Inflation , JCAP 08
Original
1903
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P. Christodoulidis, D. Roest and E. I. Sfakianakis, Scaling attractors in multi-field inflation , JCAP 12
Original
1903
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Original
1905
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S. Mizuno, S. Mukohyama, S. Pi and Y.-L. Zhang, Hyperbolic field space and swampland conjecture for DBI scalar , JCAP 09
Original
1905
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A. Achúcarro and Y. Welling, Orbital Inflation: inflating along an angular isometry of field space , 1907.02020
Original
1907
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Original
1908
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T. Bjorkmo, R. Z. Ferreira and M. D. Marsh, Mild Non-Gaussianities under Perturbative Control from Rapid-Turn Inflation Models , JCAP 12
Original
1908
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Original
2004
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Original
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Then

F. Denef, A. Hebecker and T. Wrase, de Sitter swampland conjecture and the Higgs potential , Phys. Rev. D 98
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Later among the works it cites.
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2020

The Multi-Field, Rapid-Turn Inflationary Solution

Aragam, Vikas, Paban, Sonia, Rosati, Robert

Understand

There are well-known criteria on the potential and field-space geometry for determining if slow-roll, slow-turn, multi-field inflation is possible.

However, even though it has been a topic of much recent interest, slow-roll, rapid-turn inflation only has such criteria in the restriction to two fields.
In this work, we generalize the two-field, rapid-turn inflationary attractor to an arbitrary number of fields.
We quantify a limit, which we dub extreme turning, in which rapid-turn solutions may be found efficiently and develop methods to do so.