Search results
- 1.0581915 - FZÚ 2024 RIV US eng J - Journal Article
Babichev, E. - Gorbunov, D. - Ramazanov, Sabir - Samanta, Rome - Vikman, Alexander
NANOGrav spectral index γ=3 from melting domain walls.
Physical Review D. Roč. 108, č. 12 (2023), č. článku 123529. ISSN 2470-0010. E-ISSN 2470-0029
R&D Projects: GA MŠMT EF15_003/0000437; GA MŠMT(CZ) EF20_079/0017754; GA ČR(CZ) GA20-28525S
Grant - others:OP VVV - CoGraDS(XE) CZ.02.1.01/0.0/0.0/15_003/0000437; OP VVV - MSCA-IF IV FZU(XE) CZ.02.2.69/0.0/0.0/20_079/0017754
Institutional support: RVO:68378271
Keywords : domain walls * gravitational waves * cosmology of theories beyond the SM * NANOGrav
OECD category: Particles and field physics
Impact factor: 5, year: 2022
Method of publishing: Open access
Permanent Link: https://hdl.handle.net/11104/0350066File Download Size Commentary Version Access 0581915.pdf 0 799.7 KB CC licence Publisher’s postprint open-access - 2.0579077 - FZÚ 2024 RIV US eng J - Journal Article
Deffayet, C. - Held, A. - Mukohyama, S. - Vikman, Alexander
Global and local stability for ghosts coupled to positive energy degrees of freedom.
Journal of Cosmology and Astroparticle Physics. Roč. 2023, č. 11 (2023), č. článku 031. ISSN 1475-7516. E-ISSN 1475-7516
R&D Projects: GA MŠMT EF15_003/0000437
Grant - others:OP VVV - CoGraDS(XE) CZ.02.1.01/0.0/0.0/15 003/0000437; AV ČR(CZ) JSPS-21-12
Program: Bilaterální spolupráce
Institutional support: RVO:68378271
Keywords : dark energy theory * dark matter theory
OECD category: Particles and field physics
Impact factor: 6.3, year: 2022
Method of publishing: Open access
Permanent Link: https://hdl.handle.net/11104/0347952File Download Size Commentary Version Access 0579077.pdf 0 13 MB CC licence Publisher’s postprint open-access - 3.0574636 - FZÚ 2024 RIV DE eng J - Journal Article
Jiroušek, P. - Shimada, K. - Vikman, Alexander - Yamaguchi, M.
New dynamical degrees of freedom from invertible transformations.
Journal of High Energy Physics. Roč. 2023, č. 7 (2023), č. článku 154. ISSN 1029-8479. E-ISSN 1029-8479
R&D Projects: GA ČR(CZ) GA20-28525S
Grant - others:AV ČR(CZ) JSPS-21-12
Program: Bilaterální spolupráce
Institutional support: RVO:68378271
Keywords : modified gravity * symmetry * disformal transformations
OECD category: Particles and field physics
Impact factor: 5.4, year: 2022
Method of publishing: Open access
Permanent Link: https://hdl.handle.net/11104/0347982File Download Size Commentary Version Access 0574636.pdf 0 476.9 KB CC licence Publisher’s postprint open-access - 4.0567326 - FZÚ 2023 RIV GB eng J - Journal Article
Jiroušek, P. - Shimada, K. - Vikman, Alexander - Yamaguchi, M.
Disforming to conformal symmetry.
Journal of Cosmology and Astroparticle Physics. Roč. 2022, č. 11 (2022), č. článku 019. ISSN 1475-7516. E-ISSN 1475-7516
R&D Projects: GA MŠMT EF15_003/0000437; GA ČR(CZ) GA20-28525S
Grant - others:OP VVV - CoGraDS(XE) CZ.02.1.01/0.0/0.0/15_003/0000437
Institutional support: RVO:68378271
Keywords : dark energy theory * Gauss-Bonnet-Lovelock-Horndeski-Palatini etc gravity theories * modified gravity
OECD category: Particles and field physics
Impact factor: 6.3, year: 2022
Method of publishing: Limited access
https://doi.org/10.1088/1475-7516/2022/11/019
Permanent Link: https://hdl.handle.net/11104/0338589 - 5.0567316 - FZÚ 2023 RIV US eng J - Journal Article
Ramazanov, Sabir - Babichev, E. - Gorbunov, D. - Vikman, Alexander
Beyond freeze-in: Dark matter via inverse phase transition and gravitational wave signal.
Physical Review D. Roč. 105, č. 6 (2022), č. článku 063530. ISSN 2470-0010. E-ISSN 2470-0029
R&D Projects: GA ČR(CZ) GJ20-16531Y; GA MŠMT EF15_003/0000437
Grant - others:OP VVV - CoGraDS(XE) CZ.02.1.01/0.0/0.0/15_003/0000437
Institutional support: RVO:68378271
Keywords : gravitational radiation detector * tension * coupling constant * plasma
OECD category: Particles and field physics
Impact factor: 5, year: 2022
Method of publishing: Open access
Permanent Link: https://hdl.handle.net/11104/0338578File Download Size Commentary Version Access 0567316.pdf 0 500.2 KB CC Licence Publisher’s postprint open-access - 6.0567201 - FZÚ 2023 RIV GB eng J - Journal Article
Babichev, E. - Gorbunov, D. - Ramazanov, Sabir - Vikman, Alexander
Gravitational shine of dark domain walls.
Journal of Cosmology and Astroparticle Physics. Roč. 2022, č. 4 (2022), č. článku 028. ISSN 1475-7516. E-ISSN 1475-7516
R&D Projects: GA MŠMT EF15_003/0000437; GA ČR(CZ) GJ20-16531Y
Grant - others:OP VVV - CoGraDS(XE) CZ.02.1.01/0.0/0.0/15_003/0000437
Institutional support: RVO:68378271
Keywords : cosmic strings * domain walls * monopoles * dark matter theory
OECD category: Particles and field physics
Impact factor: 6.3, year: 2022
Method of publishing: Limited access
https://doi.org/10.1088/1475-7516/2022/04/028
Permanent Link: https://hdl.handle.net/11104/0338491 - 7.0567191 - FZÚ 2023 RIV US eng J - Journal Article
Deffayet, C. - Mukohyama, S. - Vikman, Alexander
Ghosts without Runaway Instabilities.
Physical Review Letters. Roč. 128, č. 4 (2022), č. článku 041301. ISSN 0031-9007. E-ISSN 1079-7114
R&D Projects: GA MŠMT EF15_003/0000437
Grant - others:OP VVV - CoGraDS(XE) CZ.02.1.01/0.0/0.0/15_003/0000437; AV ČR(CZ) JSPS-21-12
Program: Bilaterální spolupráce
Institutional support: RVO:68378271
Keywords : ghost * stability * kinetic * Hamiltonian * quantum gravity
OECD category: Particles and field physics
Impact factor: 8.6, year: 2022
Method of publishing: Limited access
https://doi.org/10.1103/PhysRevLett.128.041301
Permanent Link: https://hdl.handle.net/11104/0338471 - 8.0554742 - FZÚ 2022 RIV US eng J - Journal Article
Barvinsky, A.O. - Kolganov, N. - Vikman, Alexander
Generalized unimodular gravity as a new form of k-essence.
Physical Review D. Roč. 103, č. 6 (2021), č. článku 064035. ISSN 2470-0010. E-ISSN 2470-0029
R&D Projects: GA ČR(CZ) GA20-28525S; GA AV ČR(CZ) Fellowship J. E. Purkyně
Grant - others:AV ČR(CZ) Fellowship J. E. Purkyně
Program: Fellowship J. E. Purkyně
Institutional support: RVO:68378271
Keywords : alternative theories of gravity * general relativity * gravitation: model * gravitation: unimodular
OECD category: Particles and field physics
Impact factor: 5.407, year: 2021
Method of publishing: Limited access
https://doi.org/10.1103/PhysRevD.103.064035
Permanent Link: http://hdl.handle.net/11104/0329403 - 9.0554639 - FZÚ 2022 RIV GB eng J - Journal Article
Ramazanov, Sabir - Urban, Federico - Vikman, Alexander
Observing primordial magnetic fields through Dark Matter.
Journal of Cosmology and Astroparticle Physics. Roč. 2021, č. 2 (2021), č. článku 011. ISSN 1475-7516. E-ISSN 1475-7516
R&D Projects: GA MŠMT EF15_003/0000437; GA ČR(CZ) GJ20-16531Y; GA AV ČR(CZ) Fellowship J. E. Purkyně
Grant - others:OP VVV - CoGraDS(XE) CZ.02.1.01/0.0/0.0/15_003/0000437; AV ČR(CZ) Fellowship J. E. Purkyně
Program: Fellowship J. E. Purkyně
Institutional support: RVO:68378271
Keywords : magnetic field: fluctuation * magnetic field: primordial * susceptibility: magnetic
OECD category: Particles and field physics
Impact factor: 7.280, year: 2021
Method of publishing: Limited access
https://doi.org/10.1088/1475-7516/2021/02/011
Permanent Link: http://hdl.handle.net/11104/0329337 - 10.0554630 - FZÚ 2022 RIV GB eng J - Journal Article
Jiroušek, Pavel - Shimada, K. - Vikman, Alexander - Yamaguchi, M.
Losing the trace to find dynamical Newton or Planck constants.
Journal of Cosmology and Astroparticle Physics. Roč. 4, Apr. (2021), č. článku 028. ISSN 1475-7516. E-ISSN 1475-7516
R&D Projects: GA ČR(CZ) GA20-28525S; GA MŠMT EF15_003/0000437
Grant - others:OP VVV - CoGraDS(XE) CZ.02.1.01/0.0/0.0/15_003/0000437
Institutional support: RVO:68378271
Keywords : modified gravity * gravity * quantum cosmology
OECD category: Particles and field physics
Impact factor: 7.280, year: 2021
Method of publishing: Limited access
https://doi.org/10.1088/1475-7516/2021/04/028
Permanent Link: http://hdl.handle.net/11104/0329335