Non-perturbative de Sitter vacua via $\alpha'$ corrections - INSPIRE

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Non-perturbative de Sitter vacua via $\alpha'$ corrections

Olaf Hohm
(
- Humboldt U., Berlin
)
,
Barton Zwiebach
(
- MIT, Cambridge, CTP
)

May 16, 2019

7 pages

Published in:

Int.J.Mod.Phys.D 28 (2019) 14, 1943002

Published: Jun 24, 2019

e-Print:

1905.06583 [hep-th]

DOI:

10.1142/S0218271819430028

View in:

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Abstract: (WSP)

The higher-derivative α′ corrections consistent with O(d,d) duality invariance can be completely classified for cosmological, purely time-dependent backgrounds. This result is used to show that there are duality invariant theories featuring string-frame de Sitter vacua as solutions that are nonperturbative in α′, thus suggesting that classical string theory may realize de Sitter solutions in an unexpected fashion.

04.50.Kd
11.25.Db
11.25.Wx
11.30.−j
String duality
de Sitter vacua
α′ corrections
vacuum state: de Sitter
duality: invariance
background: time dependence

References(16)

Figures(0)

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