| first-order phase transition | 72 | 14 | 5.231 | 0.007973 | 2009.00291,2009.04218,etc |
| black hole | 2100 | 197 | 10.561 | 0.006072 | 2009.00012,2009.00028,etc |
| Newtonian gravity | 96 | 16 | 6.2 | 0.00581 | 2009.00846,2009.02914,etc |
| extremal black hole | 73 | 22 | 3.429 | 0.005784 | 2009.02944,2009.03402,etc |
| primordial gravitational wave | 40 | 15 | 2.786 | 0.005062 | 2009.04406,2009.04460,etc |
| photon sphere | 136 | 22 | 6.333 | 0.004767 | 2009.02972,2009.03211,etc |
| Hawking temperature | 111 | 36 | 3.086 | 0.004456 | 2009.00291,2009.02129,etc |
| dark sector | 91 | 17 | 5.5 | 0.004038 | 2009.00240,2009.01600,etc |
| massless particle | 59 | 14 | 4.308 | 0.00399 | 2009.00309,2009.03644,etc |
| tidal effect | 46 | 12 | 4.091 | 0.003802 | 2009.00012,2009.02914,etc |
| deceleration parameter | 66 | 15 | 4.429 | 0.003659 | 2009.00240,2009.00460,etc |
| time delay | 135 | 17 | 8.25 | 0.00351 | 2009.05860,2009.08116,etc |
| dispersion relation | 98 | 20 | 5.105 | 0.003432 | 2009.00309,2009.00846,etc |
| Einstein frame | 75 | 13 | 6.083 | 0.003375 | 2009.03134,2009.03203,etc |
| energy condition | 85 | 22 | 3.905 | 0.003311 | 2009.00240,2009.00460,etc |
| dark matter | 408 | 85 | 4.833 | 0.00329 | 2009.00012,2009.00460,etc |
| phase transition | 302 | 49 | 6.125 | 0.003268 | 2009.00291,2009.00460,etc |
| event horizon | 333 | 80 | 4.203 | 0.003127 | 2009.00028,2009.00309,etc |
| loop quantum gravity | 80 | 15 | 5.643 | 0.003072 | 2009.00615,2009.00846,etc |
| outer horizon | 64 | 14 | 4.692 | 0.002973 | 2009.03778,2009.05193,etc |
| dark energy | 248 | 72 | 3.366 | 0.00297 | 2009.00240,2009.00460,etc |
| gravity sector | 36 | 13 | 2.917 | 0.002942 | 2009.00240,2009.00949,etc |
| scalar field | 974 | 139 | 7.036 | 0.002912 | 2009.00012,2009.00115,etc |
| boundary condition | 623 | 90 | 6.528 | 0.002832 | 2009.00012,2009.00115,etc |
| mass distribution | 78 | 18 | 4.529 | 0.00279 | 2009.03211,2009.04217,etc |
| mass gap | 68 | 14 | 5.154 | 0.002766 | 2009.01066,2009.01213,etc |
| heat capacity | 56 | 15 | 3.786 | 0.002748 | 2009.00291,2009.02129,etc |
| tensor-to-scalar ratio | 91 | 15 | 6.429 | 0.002702 | 2009.04406,2009.04460,etc |
| cosmic string | 102 | 21 | 4.7 | 0.00269 | 2009.03644,2009.03952,etc |
| quasinormal mode | 120 | 18 | 6.941 | 0.002584 | 2009.00012,2009.02367,etc |
| transfer function | 104 | 21 | 5.1 | 0.002573 | 2009.03310,2009.08086,etc |
| massive gravity | 48 | 13 | 3.417 | 0.002571 | 2009.05215,2009.05405,etc |
| entanglement entropy | 144 | 19 | 7.944 | 0.002548 | 2009.03826,2009.07732,etc |
| gauge field | 155 | 47 | 3.261 | 0.002537 | 2009.00949,2009.01600,etc |
| massive particle | 78 | 21 | 3.85 | 0.002505 | 2009.00309,2009.02735,etc |
| coherent state | 115 | 14 | 8.615 | 0.002483 | 2009.00056,2009.00615,etc |
| Hubble parameter | 237 | 54 | 4.453 | 0.002412 | 2009.00240,2009.00460,etc |
| Kerr spacetime | 51 | 15 | 3.071 | 0.002342 | 2009.00028,2009.01397,etc |
| Jordan frame | 49 | 12 | 4.364 | 0.002341 | 2009.00629,2009.03203,etc |
| tachyonic instability | 52 | 11 | 4.5 | 0.002339 | 2009.03774,2009.03904,etc |
| Levi-Civita connection | 86 | 16 | 5.667 | 0.002324 | 2009.02168,2009.03211,etc |
| Hawking radiation | 126 | 30 | 3.966 | 0.002313 | 2009.00291,2009.02129,etc |
| fundamental theory | 37 | 15 | 2.571 | 0.002286 | 2009.00846,2009.03428,etc |
| galaxy cluster | 54 | 13 | 4.333 | 0.002279 | 2009.01700,2009.03952,etc |
| magnetic field | 111 | 19 | 6.111 | 0.00226 | 2009.04898,2009.04967,etc |
| effective action | 111 | 27 | 4.038 | 0.002214 | 2009.00629,2009.01794,etc |
| gravitational field equation | 32 | 14 | 2.385 | 0.002189 | 2009.01600,2009.03203,etc |
| merger rate | 124 | 21 | 6.15 | 0.002173 | 2009.01213,2009.08116,etc |
| parameter estimation | 80 | 19 | 3.889 | 0.00216 | 2009.01066,2009.05376,etc |
| ground state | 102 | 25 | 4.208 | 0.002142 | 2009.03826,2009.06580,etc |
| AdS boundary | 81 | 12 | 7.273 | 0.002121 | 2009.09186,2009.00450,etc |
| conformal transformation | 58 | 22 | 2.714 | 0.002062 | 2009.01243,2009.03134,etc |
| density matrix | 59 | 15 | 4.143 | 0.002051 | 2009.03428,2009.14058,etc |
| primordial power spectrum | 28 | 12 | 2.455 | 0.002031 | 2009.05514,2009.07732,etc |
| upper limit | 157 | 60 | 2.644 | 0.001988 | 2009.01700,2009.03428,etc |
| final state | 42 | 17 | 2.562 | 0.001986 | 2009.02129,2009.04217,etc |
| false vacuum | 44 | 11 | 3.7 | 0.001976 | 2009.04406,2009.04435,etc |
| light ray | 57 | 18 | 3.294 | 0.001968 | 2009.03265,2009.03310,etc |
| primordial curvature perturbation | 29 | 11 | 2.8 | 0.001944 | 2009.05514,2009.06113,etc |
| neutron star | 243 | 63 | 3.903 | 0.001913 | 2009.00012,2009.00846,etc |
| cosmological parameter | 70 | 26 | 2.2 | 0.001892 | 2009.02311,2009.03625,etc |
| two-point function | 83 | 11 | 8.2 | 0.001873 | 2009.03453,2009.02050,etc |
| scalar hair | 37 | 12 | 3.091 | 0.001822 | 2009.03774,2009.03904,etc |
| supermassive black hole | 60 | 30 | 2.034 | 0.001821 | 2009.00012,2009.01158,etc |
| quantum state | 112 | 24 | 4.826 | 0.001816 | 2009.00056,2009.00615,etc |
| field equation | 353 | 82 | 4.284 | 0.001794 | 2009.00012,2009.00115,etc |
| magnetic charge | 29 | 12 | 2.545 | 0.001794 | 2009.00028,2009.03778,etc |
| massive scalar field | 37 | 15 | 2.5 | 0.001791 | 2009.00012,2009.02367,etc |
| point mass | 42 | 12 | 3.636 | 0.00178 | 2009.02735,2009.04434,etc |
| geodesic equation | 68 | 25 | 2.792 | 0.001777 | 2009.00028,2009.00309,etc |
| quantum gravity | 307 | 68 | 4.418 | 0.001775 | 2009.00264,2009.00615,etc |
| stationary solution | 49 | 16 | 3.067 | 0.001769 | 2009.06531,2009.06990,etc |
| black hole thermodynamic | 42 | 21 | 2.05 | 0.001758 | 2009.00291,2009.02129,etc |
| angular momentum | 412 | 106 | 3.6 | 0.001757 | 2009.00012,2009.00028,etc |
| gravitational wave | 366 | 127 | 2.897 | 0.001738 | 2009.00012,2009.00028,etc |
| initial datum | 213 | 38 | 5.676 | 0.001705 | 2009.00012,2009.00115,etc |
| luminosity distance | 84 | 30 | 2.517 | 0.001693 | 2009.00043,2009.00846,etc |
| stress-energy tensor | 120 | 26 | 4.76 | 0.001685 | 2009.00012,2009.00264,etc |
| decay rate | 78 | 19 | 3.889 | 0.001682 | 2009.00012,2009.04435,etc |
| black hole shadow | 28 | 11 | 2.7 | 0.001672 | 2009.03402,2009.03644,etc |
| dynamical system | 79 | 19 | 4.333 | 0.00167 | 2009.00115,2009.01600,etc |
| metric tensor | 110 | 40 | 2.744 | 0.001664 | 2009.00240,2009.00264,etc |
| power spectrum | 233 | 48 | 4.915 | 0.001661 | 2009.00043,2009.01254,etc |
| null hypersurface | 80 | 15 | 5.214 | 0.001653 | 2009.00115,2009.01243,etc |
| mass term | 43 | 17 | 2.562 | 0.001649 | 2009.03774,2009.05405,etc |
| cosmological horizon | 82 | 23 | 3.591 | 0.001644 | 2009.01243,2009.02735,etc |
| critical point | 82 | 21 | 4.0 | 0.001629 | 2009.02172,2009.03265,etc |
| growth rate | 38 | 11 | 3.7 | 0.001626 | 2009.02167,2009.05405,etc |
| classical solution | 40 | 15 | 2.357 | 0.001609 | 2009.00264,2009.04386,etc |
| circular orbit | 125 | 33 | 3.281 | 0.001601 | 2009.00012,2009.00028,etc |
| binary neutron star | 56 | 23 | 2.5 | 0.001587 | 2009.01066,2009.03896,etc |
| stress energy tensor | 23 | 11 | 2.2 | 0.001554 | 2009.00012,2009.02167,etc |
| scale factor | 354 | 80 | 4.468 | 0.001549 | 2009.00240,2009.00460,etc |
| orbital period | 46 | 13 | 3.583 | 0.00153 | 2009.00012,2009.00028,etc |
| differential operator | 53 | 18 | 2.059 | 0.001523 | 2009.01125,2009.06113,etc |
| critical temperature | 85 | 13 | 5.75 | 0.001516 | 2009.02172,2009.04218,etc |
| phase space | 273 | 41 | 6.675 | 0.001502 | 2009.00028,2009.00056,etc |
| asymptotic behaviour | 24 | 12 | 2.091 | 0.00149 | 2009.00056,2009.00362,etc |
| quantum fluctuation | 91 | 30 | 3.103 | 0.001482 | 2009.03134,2009.03428,etc |
| Einstein gravity | 77 | 31 | 2.3 | 0.001465 | 2009.02167,2009.02367,etc |
|