| 1 | anti de sitter | AdS | 583 | 18 | 2.004814 | 2009.00291,2009.02172,etc |
| 2 | quantum field theory | QFT | 44 | 14 | 2.000794 | 2009.00460,2009.02150,etc |
| 3 | binary neutron star | BNS | 161 | 13 | 2.001753 | 2009.01066,2009.06617,etc |
| 4 | effective field theory | EFT | 211 | 13 | 1.001087 | 2009.03354,2009.05628,etc |
| 5 | binary black hole | BBH | 205 | 12 | 2.003972 | 2009.01066,2009.04386,etc |
| 6 | friedmann robertson walker | FRW | 37 | 11 | 1.000231 | 2009.03134,2009.04460,etc |
| 7 | markov chain monte carlo | MCMC | 24 | 10 | 1.000304 | 2009.08467,2009.00754,etc |
| 8 | post newtonian | PN | 655 | 9 | 2.006546 | 2009.00012,2009.01158,etc |
| 9 | de sitter | dS | 362 | 9 | 2.006449 | 2009.05520,2009.06282,etc |
| 10 | centre national de recherche scientifique | CNRS | 8 | 8 | 1.000231 | 2009.00043,2009.05514,etc |
| 11 | istituto nazionale della fisica nucleare | INFN | 10 | 8 | 1.000222 | 2009.00043,2009.05514,etc |
| 12 | friedmann lema^{i}tre robertson walker | FLRW | 24 | 8 | 1.00029 | 2009.00615,2009.02167,etc |
| 13 | innermost stable circular orbit | ISCO | 112 | 8 | 2.00133 | 2009.03265,2009.03310,etc |
| 14 | event horizon telescope | EHT | 16 | 8 | 1.000551 | 2009.06705,2009.07487,etc |
| 15 | friedmann lema^itre robertson walker | FLRW | 119 | 6 | 1.001982 | 2009.01243,2009.05405,etc |
| 16 | arnowitt deser misner | ADM | 51 | 6 | 1.000759 | 2009.01255,2009.03904,etc |
| 17 | generalized uncertainty principle | GUP | 181 | 6 | 2.009021 | 2009.02129,2009.03627,etc |
| 18 | gauss bonnet | GB | 157 | 6 | 2.003742 | 2009.03905,2009.05215,etc |
| 19 | extreme mass ratio inspiral | EMRI | 36 | 5 | 1.001259 | 2009.00012,2009.00028,etc |
| 20 | loop quantum cosmology | LQC | 79 | 5 | 2.001793 | 2009.00615,2009.01255,etc |
| 21 | friedmann lemaitre robertson walker | FLRW | 28 | 5 | 1.000392 | 2009.00949,2009.06306,etc |
| 22 | next to leading order | NLO | 110 | 5 | 2.002506 | 2009.01125,2009.05628,etc |
| 23 | einstein hilbert | EH | 36 | 5 | 1.000446 | 2009.03328,2009.04353,etc |
| 24 | reissner nordstr"{o}m | RN | 25 | 5 | 2.000811 | 2009.03399,2009.03404,etc |
| 25 | deutsche forschungsgemeinschaft | DFG | 9 | 5 | 1.000095 | 2009.07996,2009.08467,etc |
| 26 | einstein telescope | ET | 18 | 5 | 1.000878 | 2009.08116,2009.02050,etc |
| 27 | nanohertz observatory for gravitational waves | NANOGrav | 81 | 5 | 2.004079 | 2009.09833,2009.11252,etc |
| 28 | conformal field theory | CFT | 224 | 5 | 2.006901 | 2009.12826,2009.03893,etc |
| 29 | stochastic gravitational wave background | SGWB | 72 | 5 | 2.003883 | 2009.06555,2009.10080,etc |
| 30 | quasi normal mode | QNM | 52 | 4 | 2.001466 | 2009.00012,2009.03774,etc |
| 31 | quasinormal mode | QNM | 94 | 4 | 2.00208 | 2009.02367,2009.03265,etc |
| 32 | einstein gauss bonnet | EGB | 94 | 4 | 2.006266 | 2009.02972,2009.09833,etc |
| 33 | degenerate higher order scalar tensor | DHOST | 98 | 4 | 2.003393 | 2009.03354,2009.07508,etc |
| 34 | teleparallel equivalent of general relativity | TEGR | 42 | 4 | 2.002194 | 2009.04353,2009.07458,etc |
| 35 | functional renormalization group | FRG | 94 | 4 | 2.001218 | 2009.05111,2009.06637,etc |
| 36 | nonlinear electrodynamics | NLED | 49 | 4 | 2.004404 | 2009.05904,2009.07657,etc |
| 37 | effective one body | EOB | 91 | 4 | 1.002688 | 2009.06351,2009.08467,etc |
| 38 | cosmic explorer | CE | 5 | 4 | 1.000144 | 2009.12187,2009.02050,etc |
| 39 | cosmic chronometers | CC | 36 | 4 | 2.001575 | 2009.14582,2009.08306,etc |
| 40 | early dark energy | EDE | 80 | 4 | 2.007381 | 2009.00006,2009.07357,etc |
| 41 | inspiral merger ringdown | IMR | 9 | 3 | 1.001093 | 2009.00043,2009.09722,etc |
| 42 | null energy condition | NEC | 15 | 3 | 2.000839 | 2009.00240,2009.00460,etc |
| 43 | dominant energy condition | DEC | 34 | 3 | 2.001179 | 2009.00240,2009.00460,etc |
| 44 | standard model extension | SME | 57 | 3 | 1.002076 | 2009.00949,2009.01794,etc |
| 45 | kaluza klein | KK | 35 | 3 | 2.00076 | 2009.01213,2009.07922,etc |
| 46 | the red giant branch | TRGB | 5 | 3 | 1.000063 | 2009.02168,2009.14582,etc |
| 47 | reissner nordstr"om | RN | 43 | 3 | 2.001727 | 2009.02972,2009.08293,etc |
| 48 | wheeler dewitt | WD | 14 | 3 | 1.000665 | 2009.03428,2009.06282,etc |
| 49 | heisenberg uncertainty principle | HUP | 61 | 3 | 2.007557 | 2009.03627,2009.13838,etc |
| 50 | einstein scalar gauss bonnet | EsGB | 27 | 3 | 2.000834 | 2009.03774,2009.03905,etc |
| 51 | van der waals | vdW | 23 | 3 | 1.001121 | 2009.04218,2009.05215,etc |
| 52 | supernovae type ia | SN-Ia | 25 | 3 | 1.001564 | 2009.04460,2009.01189,etc |
| 53 | anti de sitter/conformal field theory | AdS/CFT | 4 | 3 | 1.000236 | 2009.05215,2009.09319,etc |
| 54 | exotic compact object | ECO | 62 | 3 | 2.002759 | 2009.05376,2009.08086,etc |
| 55 | leading order | LO | 91 | 3 | 2.004562 | 2009.05628,2009.12187,etc |
| 56 | false alarm rate | FAR | 9 | 3 | 1.000412 | 2009.11332,2009.07210,etc |
| 57 | swiss national science foundation | SNSF | 3 | 3 | 1.000158 | 2009.11827,2009.01728,etc |
| 58 | partial differential equation | PDE | 32 | 3 | 2.000675 | 2009.13448,2009.00510,etc |
| 59 | supermassive black hole binary | SMBHB | 54 | 3 | 1.004062 | 2009.13812,2009.11865,etc |
| 60 | monte carlo markov chain | MCMC | 7 | 3 | 1.000214 | 2009.00006,2009.08306,etc |
| 61 | time of arrival | TOA | 20 | 3 | 1.000998 | 2009.00030,2009.05143,etc |
| 62 | radiation dominated | RD | 44 | 3 | 2.000784 | 2009.01149,2009.03828,etc |
| 63 | dark energy survey | DES | 26 | 3 | 1.001308 | 2009.01189,2009.10701,etc |
| 64 | square kilometre array | SKA | 4 | 3 | 1.000079 | 2009.02050,2009.08970,etc |
| 65 | trans planckian censorship conjecture | TCC | 35 | 3 | 1.000718 | 2009.03335,2009.04504,etc |
| 66 | bose einstein condensate | BEC | 54 | 3 | 2.002256 | 2009.03890,2009.03891,etc |
| 67 | convolutional neural network | CNN | 206 | 3 | 2.000697 | 2009.04088,2009.07367,etc |
| 68 | stochastic gw background | SGWB | 52 | 3 | 1.000803 | 2009.06555,2009.11845,etc |