Higher-order extension of Starobinsky inflation: Initial conditions, slow-roll regime, and reheating phase

被引：16

作者：

Rodrigues-da-Silva, G. ^{[1
]}

Bezerra-Sobrinho, J. ^{[2
]}

Medeiros, L. G. ^{[2
]}

机构：

[1] Univ Fed Rio Grande do Norte, Dept Fis, Campus Univ S-N, BR-59072970 Natal, RN, Brazil

[2] Univ Fed Rio Grande do Norte, Escola Ciencias & Tecnol, Campus Univ S-N, BR-59072970 Natal, RN, Brazil

来源：

PHYSICAL REVIEW D | 2022年 / 105卷 / 06期

关键词：

6TH-ORDER GRAVITY; SCALAR-FIELD; RENORMALIZATION; FLATNESS; UNIVERSE; HORIZON;

D O I：

10.1103/PhysRevD.105.063504

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The most current observational data corroborate the Starobinsky model as one of the strongest candidates in the description of an inflationary regime. Motivated by such success, extensions of the Starobinsky model have been increasingly recurrent in the literature. The theoretical justification for this is well grounded: higher-order gravities arise in high-energy physics in the search for the ultraviolet completeness of general relativity. In this paper, we propose to investigate the inflation due to the extension of the Starobinsky model characterized by the inclusion of the R-3 term. We make a complete analysis of the potential and phase space of the model, where we observe the existence of three regions with distinct dynamics for the scalar field. We can establish restrictive limits for the number of e-folds through a study of the reheating and by considering the usual couplings of the standard matter fields and gravity. Thereby, we duly confront our model with the observational data from Planck, BICEP3/Keck, and BAO. Finally, we discuss how the inclusion of the cubic term restricts the initial conditions necessary for the occurrence of a physical inflation.

引用

页数：16

共 69 条

[1] Improved Constraints on Primordial Gravitational Waves using Planck, WMAP, and BICEP/Keck Observations through the 2018 Observing Season [J].

Ade, P. A. R. ;

Ahmed, Z. ;

Amiri, M. ;

Barkats, D. ;

Thakur, R. Basu ;

Bischoff, C. A. ;

Beck, D. ;

Bock, J. J. ;

Boenish, H. ;

Bullock, E. ;

Buza, V ;

Cheshire, J. R. ;

Connors, J. ;

Cornelison, J. ;

Crumrine, M. ;

Cukierman, A. ;

Denison, E., V ;

Dierickx, M. ;

Duband, L. ;

Eiben, M. ;

Fatigoni, S. ;

Filippini, J. P. ;

Fliescher, S. ;

Goeckner-Wald, N. ;

Goldfinger, D. C. ;

Grayson, J. ;

Grimes, P. ;

Hall, G. ;

Halal, G. ;

Halpern, M. ;

Hand, E. ;

Harrison, S. ;

Henderson, S. ;

Hildebrandt, S. R. ;

Hilton, G. C. ;

Hubmayr, J. ;

Hui, H. ;

Irwin, K. D. ;

Kang, J. ;

Karkare, K. S. ;

Karpel, E. ;

Kefeli, S. ;

Kernasovskiy, S. A. ;

Kovac, J. M. ;

Kuo, C. L. ;

Lau, K. ;

Leitch, E. M. ;

Lennox, A. ;

Megerian, K. G. ;

Minutolo, L. .

PHYSICAL REVIEW LETTERS, 2021, 127 (15)

[2] Planck 2018 results: VI. Cosmological parameters (vol 641, A6, 2020) [J].

Aghanim, N. ;

Akrami, Y. ;

Ashdown, M. ;

Aumont, J. ;

Baccigalupi, C. ;

Ballardini, M. ;

Banday, A. J. ;

Barreiro, R. B. ;

Bartolo, N. ;

Basak, S. ;

Battye, R. ;

Benabed, K. ;

Bernard, J. -P. ;

Bersanelli, M. ;

Bielewicz, P. ;

Bock, J. J. ;

Bond, J. R. ;

Borrill, J. ;

Bouchet, F. R. ;

Boulanger, F. ;

Bucher, M. ;

Burigana, C. ;

Butler, R. C. ;

Calabrese, E. ;

Cardoso, J. -F. ;

Carron, J. ;

Challinor, A. ;

Chiang, H. C. ;

Chluba, J. ;

Colombo, L. P. L. ;

Combet, C. ;

Contreras, D. ;

Crill, B. P. ;

Cuttaia, F. ;

de Bernardis, P. ;

de Zotti, G. ;

Delabrouille, J. ;

Delouis, J. -M. ;

Di Valentino, E. ;

Diego, J. M. ;

Dore, O. ;

Douspis, M. ;

Ducout, A. ;

Dupac, X. ;

Dusini, S. ;

Efstathiou, G. ;

Elsner, F. ;

Ensslin, T. A. ;

Eriksen, H. K. ;

Fantaye, Y. .

ASTRONOMY & ASTROPHYSICS, 2021, 652

[3] Planck 2018 results: VI. Cosmological parameters [J].

Aghanim, N. ;

Akrami, Y. ;

Ashdown, M. ;

Aumont, J. ;

Baccigalupi, C. ;

Ballardini, M. ;

Banday, A. J. ;

Barreiro, R. B. ;

Bartolo, N. ;

Basak, S. ;

Battye, R. ;

Benabed, K. ;

Bernard, J. -P. ;

Bersanelli, M. ;

Bielewicz, P. ;

Bock, J. J. ;

Bond, J. R. ;

Borrill, J. ;

Bouchet, F. R. ;

Boulanger, F. ;

Bucher, M. ;

Burigana, C. ;

Butler, R. C. ;

Calabrese, E. ;

Cardoso, J. -F. ;

Carron, J. ;

Challinor, A. ;

Chiang, H. C. ;

Chluba, J. ;

Colombo, L. P. L. ;

Combet, C. ;

Contreras, D. ;

Crill, B. P. ;

Cuttaia, F. ;

de Bernardis, P. ;

de Zotti, G. ;

Delabrouille, J. ;

Delouis, J. -M. ;

Di Valentino, E. ;

Diego, J. M. ;

Dore, O. ;

Douspis, M. ;

Ducout, A. ;

Dupac, X. ;

Dusini, S. ;

Efstathiou, G. ;

Elsner, F. ;

Ensslin, T. A. ;

Eriksen, H. K. ;

Fantaye, Y. .

ASTRONOMY & ASTROPHYSICS, 2020, 641

[4] Planck 2018 results: X. Constraints on inflation [J].

Akrami, Y. ;

Arroja, F. ;

Ashdown, M. ;

Aumont, J. ;

Baccigalupi, C. ;

Ballardini, M. ;

Banday, A. J. ;

Barreiro, R. B. ;

Bartolo, N. ;

Basak, S. ;

Benabed, K. ;

Bernard, J. -P. ;

Bersanelli, M. ;

Bielewicz, P. ;

Bock, J. J. ;

Bond, J. R. ;

Borrill, J. ;

Bouchet, F. R. ;

Boulanger, F. ;

Bucher, M. ;

Burigana, C. ;

Butler, R. C. ;

Calabrese, E. ;

Cardoso, J. -F. ;

Carron, J. ;

Challinor, A. ;

Chiang, H. C. ;

Colombo, L. P. L. ;

Combet, C. ;

Contreras, D. ;

Crill, B. P. ;

Cuttaia, F. ;

de Bernardis, P. ;

de Zotti, G. ;

Delabrouille, J. ;

Delouis, J. -M. ;

Di Valentino, E. ;

Diego, J. M. ;

Donzelli, S. ;

Dore, O. ;

Douspis, M. ;

Ducout, A. ;

Dupac, X. ;

Dusini, S. ;

Efstathiou, G. ;

Elsner, F. ;

Ensslin, T. A. ;

Eriksen, H. K. ;

Fantaye, Y. ;

Fergusson, J. .

ASTRONOMY & ASTROPHYSICS, 2020, 641

[5]

Alekhin S, ARXIV151205194

[6]

Allahverdi R., ARXIVHEPPH0505050

[7] Supersymmetric thermalization and quasi-thermal Universe: consequences for gravitinos and leptogenesis [J].

Allahverdi, Rouzbeh ;

Mazumdar, Anupam .

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2006, (10)

[8] Reheating in Inflationary Cosmology: Theory and Applications [J].

Allahverdi, Rouzbeh ;

Brandenberger, Robert ;

Cyr-Racine, Francis-Yan ;

Mazumdar, Anupam .

ANNUAL REVIEW OF NUCLEAR AND PARTICLE SCIENCE, VOL 60, 2010, 60 :27-51

[9] GENERALIZED 6TH-ORDER GRAVITY AND INFLATION [J].

AMENDOLA, L ;

MAYER, AB ;

CAPOZZIELLO, S ;

GOTTLOBER, S ;

MULLER, V ;

OCCHIONERO, F ;

SCHMIDT, HJ .

CLASSICAL AND QUANTUM GRAVITY, 1993, 10 (05) :L43-L47

[10] Nonperturbative dynamics of reheating after inflation: A review [J].

Amin, Mustafa A. ;

Hertzberg, Mark P. ;

Kaiser, David I. ;

Karouby, Johanna .

INTERNATIONAL JOURNAL OF MODERN PHYSICS D, 2015, 24 (01)

← 1 2 3 4 5 6 7 →