Vorticity generation at second order in cosmological perturbation theory

被引：40

作者：

Christopherson, Adam J. ^{[1
]}

Malik, Karim A. ^{[1
]}

Matravers, David R. ^{[2
]}

机构：

[1] Queen Mary Univ London, Astron Unit, Sch Math Sci, London E1 4NS, England

[2] Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England

来源：

PHYSICAL REVIEW D | 2009年 / 79卷 / 12期

关键词：

DENSITY PERTURBATIONS; MAGNETIC-FIELDS;

D O I：

10.1103/PhysRevD.79.123523

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We show that at second order in cosmological perturbation theory vorticity generation is sourced by entropy gradients. This is an extension of Crocco's theorem to a cosmological setting.

引用

页数：4

共 33 条

[1] GAUGE-INVARIANT COSMOLOGICAL PERTURBATIONS
BARDEEN, JM
[J]. PHYSICAL REVIEW D, 1980, 22 (08): : 1882 - 1905
[2] Gravitational wave spectrum induced by primordial scalar perturbations
Baumann, Daniel
Steinhardt, Paul
Takahashi, Keitaro
Ichiki, Kiyotomo
[J]. PHYSICAL REVIEW D, 2007, 76 (08)
[3] BIERMANN L, 1950, Z NATURFORSCH A, V5, P65
[4] Perturbations of spacetime: gauge transformations and gauge invariance at second order and beyond
Bruni, M
Matarrese, S
Mollerach, S
Sonego, S
[J]. CLASSICAL AND QUANTUM GRAVITY, 1997, 14 (09) : 2585 - 2606
[5] The non-adiabatic pressure in general scalar field systems
Christopherson, Adam J.
Malik, Karim A.
[J]. PHYSICS LETTERS B, 2009, 675 (02) : 159 - 163
[6] CHRISTOPHERSON AJ, UNPUB
[7] A new current function for the investigation of gas action with rotation.
Crocco, L
[J]. ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, 1937, 17 : 1 - 7
[8] The gravitational and hydrodynamical interaction between the Large Magellanic Cloud and the Galaxy
Gopal, R
Sethi, SK
[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2005, 363 (02) : 521 - 528
[9] GENERATION OF MAGNETIC FIELDS IN RADIATION ERA
HARRISON, ER
[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1970, 147 (03) : 279 - &
[10] Challenges for creating magnetic fields by cosmic defects
Hollenstein, Lukas
Caprini, Chiara
Crittenden, Robert
Maartens, Roy
[J]. PHYSICAL REVIEW D, 2008, 77 (06):

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