| time delay | 82 | 15 | 5.786 | 0.004851 | 2001.00229,2001.00352,etc |
| black hole | 1210 | 134 | 9.09 | 0.004528 | 2001.00027,2001.00041,etc |
| wave function | 58 | 17 | 3.562 | 0.004389 | 2001.00551,2001.00556,etc |
| magnetic field | 214 | 35 | 6.235 | 0.003913 | 2001.00252,2001.00551,etc |
| critical point | 106 | 19 | 5.778 | 0.003294 | 2001.00252,2001.00403,etc |
| dark energy | 270 | 65 | 4.172 | 0.003264 | 2001.00010,2001.00011,etc |
| massive particle | 93 | 24 | 4.0 | 0.003108 | 2001.00252,2001.00863,etc |
| scalar field | 869 | 105 | 8.346 | 0.003092 | 2001.00011,2001.00031,etc |
| power spectrum | 126 | 27 | 4.615 | 0.003084 | 2001.00935,2001.02474,etc |
| Einstein tensor | 79 | 31 | 2.6 | 0.002855 | 2001.00154,2001.00430,etc |
| energy condition | 69 | 14 | 5.231 | 0.00282 | 2001.00010,2001.00027,etc |
| Einstein frame | 71 | 14 | 4.923 | 0.002714 | 2001.00154,2001.02304,etc |
| phase transition | 104 | 23 | 4.682 | 0.00254 | 2001.01591,2001.01747,etc |
| neutron star | 266 | 57 | 4.5 | 0.002455 | 2001.00027,2001.00229,etc |
| hole solution | 41 | 15 | 2.857 | 0.002409 | 2001.00403,2001.00615,etc |
| gravitational perturbation | 32 | 12 | 2.818 | 0.002374 | 2001.00394,2001.00430,etc |
| gravitational wave | 276 | 97 | 2.865 | 0.00226 | 2001.00041,2001.00229,etc |
| effective action | 66 | 14 | 5.0 | 0.002236 | 2001.00041,2001.02543,etc |
| anisotropic stress | 42 | 11 | 2.8 | 0.002068 | 2001.00010,2001.00394,etc |
| high redshift | 65 | 16 | 4.267 | 0.002067 | 2001.02591,2001.02986,etc |
| gravity model | 67 | 16 | 4.4 | 0.001989 | 2001.00816,2001.00863,etc |
| Lagrange multiplier | 72 | 12 | 6.091 | 0.00194 | 2001.02016,2001.02414,etc |
| energy scale | 64 | 24 | 2.739 | 0.001901 | 2001.01729,2001.04680,etc |
| vector field | 138 | 42 | 3.293 | 0.001888 | 2001.00011,2001.00027,etc |
| Hawking radiation | 90 | 23 | 4.0 | 0.001886 | 2001.01137,2001.01301,etc |
| Minkowski spacetime | 53 | 13 | 4.167 | 0.001879 | 2001.00252,2001.00352,etc |
| expectation value | 137 | 34 | 4.091 | 0.001851 | 2001.00031,2001.00556,etc |
| scalar curvature | 54 | 23 | 2.409 | 0.001818 | 2001.00010,2001.00027,etc |
| tensor perturbation | 75 | 18 | 4.353 | 0.001816 | 2001.00154,2001.00394,etc |
| light ray | 72 | 21 | 3.45 | 0.001801 | 2001.00010,2001.00041,etc |
| gauge field | 98 | 23 | 4.364 | 0.001779 | 2001.03169,2001.05177,etc |
| dark matter | 203 | 57 | 3.607 | 0.001732 | 2001.00011,2001.00863,etc |
| binary neutron star | 52 | 22 | 2.429 | 0.001677 | 2001.00229,2001.00242,etc |
| quasinormal mode | 42 | 12 | 3.091 | 0.00166 | 2001.00863,2001.01137,etc |
| initial datum | 77 | 25 | 3.167 | 0.001631 | 2001.00031,2001.00252,etc |
| impact parameter | 43 | 12 | 3.364 | 0.00163 | 2001.00352,2001.00460,etc |
| surface gravity | 39 | 15 | 2.714 | 0.001617 | 2001.00430,2001.00599,etc |
| mass function | 43 | 15 | 3.0 | 0.001605 | 2001.06096,2001.06490,etc |
| event horizon | 198 | 50 | 3.816 | 0.001593 | 2001.00041,2001.00430,etc |
| gauge transformation | 83 | 23 | 3.727 | 0.001588 | 2001.00394,2001.02698,etc |
| ground state | 64 | 17 | 3.938 | 0.001541 | 2001.00460,2001.03943,etc |
| number density | 37 | 15 | 2.571 | 0.001541 | 2001.00825,2001.02474,etc |
| field equation | 257 | 62 | 4.164 | 0.001536 | 2001.00010,2001.00011,etc |
| cosmological model | 105 | 38 | 2.811 | 0.001527 | 2001.00010,2001.00154,etc |
| test particle | 53 | 18 | 3.059 | 0.00152 | 2001.00229,2001.00394,etc |
| general relativity | 241 | 87 | 2.779 | 0.001495 | 2001.00010,2001.00011,etc |
| low redshift | 33 | 12 | 2.455 | 0.001489 | 2001.02591,2001.02986,etc |
| full theory | 39 | 13 | 3.167 | 0.001474 | 2001.00031,2001.02698,etc |
| metric function | 109 | 24 | 4.696 | 0.001467 | 2001.00010,2001.00615,etc |
| upper limit | 68 | 27 | 2.538 | 0.001455 | 2001.00041,2001.00863,etc |
| scale factor | 227 | 67 | 3.424 | 0.001415 | 2001.00011,2001.00031,etc |
| black hole horizon | 58 | 20 | 2.158 | 0.001412 | 2001.00010,2001.00041,etc |
| static observer | 37 | 11 | 3.6 | 0.001409 | 2001.00430,2001.00460,etc |
| black hole solution | 73 | 24 | 3.13 | 0.001396 | 2001.00403,2001.00599,etc |
| Levi-Civita connection | 37 | 16 | 2.4 | 0.001382 | 2001.00551,2001.00816,etc |
| metric coefficient | 37 | 12 | 3.273 | 0.001376 | 2001.00010,2001.00599,etc |
| angular momentum | 188 | 57 | 3.304 | 0.001368 | 2001.00352,2001.00460,etc |
| phase shift | 41 | 14 | 3.077 | 0.001341 | 2001.00041,2001.01363,etc |
| asymptotic expansion | 41 | 17 | 2.5 | 0.001328 | 2001.00403,2001.00430,etc |
| General Relativity | 138 | 53 | 2.615 | 0.001326 | 2001.00816,2001.00863,etc |
| initial condition | 187 | 60 | 3.068 | 0.001311 | 2001.00041,2001.00252,etc |
| tensor-to-scalar ratio | 66 | 12 | 5.364 | 0.001307 | 2001.00154,2001.05828,etc |
| gravitational radiation | 41 | 19 | 2.222 | 0.001306 | 2001.00935,2001.01281,etc |
| parameter estimation | 37 | 13 | 2.917 | 0.001284 | 2001.01462,2001.07109,etc |
| proper time | 114 | 32 | 3.645 | 0.001271 | 2001.00229,2001.00352,etc |
| mass ratio | 128 | 25 | 4.958 | 0.001261 | 2001.00821,2001.01747,etc |
| radiation era | 33 | 11 | 3.1 | 0.001258 | 2001.02414,2001.02474,etc |
| Klein-Gordon equation | 55 | 21 | 2.65 | 0.001257 | 2001.00252,2001.00551,etc |
| perturbation theory | 71 | 23 | 3.091 | 0.001255 | 2001.00394,2001.00403,etc |
| circular orbit | 42 | 17 | 2.562 | 0.001242 | 2001.00352,2001.00599,etc |
| extra dimension | 46 | 13 | 3.667 | 0.001239 | 2001.00041,2001.00403,etc |
| electric charge | 52 | 17 | 2.625 | 0.001223 | 2001.00430,2001.00460,etc |
| Schwarzschild spacetime | 77 | 14 | 5.308 | 0.001211 | 2001.00430,2001.00863,etc |
| electric field | 51 | 14 | 3.308 | 0.001194 | 2001.00031,2001.00430,etc |
| Green' function | 44 | 14 | 3.308 | 0.00119 | 2001.01301,2001.07350,etc |
| energy density | 307 | 91 | 3.322 | 0.001189 | 2001.00010,2001.00011,etc |
| cosmological scale | 42 | 13 | 3.417 | 0.001183 | 2001.00863,2001.02304,etc |
| cosmological parameter | 90 | 30 | 3.0 | 0.00116 | 2001.00031,2001.00825,etc |
| conformal factor | 51 | 20 | 2.632 | 0.001135 | 2001.00551,2001.00599,etc |
| dynamical system | 70 | 13 | 5.417 | 0.001133 | 2001.00252,2001.00825,etc |
| supermassive black hole | 49 | 18 | 2.471 | 0.001122 | 2001.00041,2001.00863,etc |
| hypergeometric function | 34 | 11 | 2.8 | 0.001112 | 2001.00599,2001.01301,etc |
| deceleration parameter | 41 | 16 | 2.533 | 0.001098 | 2001.00011,2001.00825,etc |
| cosmological horizon | 97 | 18 | 3.824 | 0.001098 | 2001.00394,2001.00599,etc |
| Killing vector | 46 | 16 | 3.0 | 0.001098 | 2001.00460,2001.00615,etc |
| Riemann tensor | 44 | 20 | 2.105 | 0.001093 | 2001.00352,2001.00863,etc |
| quantum field | 50 | 18 | 2.824 | 0.001092 | 2001.00551,2001.02074,etc |
| boundary term | 65 | 15 | 4.571 | 0.00109 | 2001.00394,2001.03169,etc |
| conformal symmetry | 49 | 12 | 4.364 | 0.00109 | 2001.00615,2001.00816,etc |
| Hilbert space | 49 | 18 | 2.765 | 0.001085 | 2001.01729,2001.02543,etc |
| black hole thermodynamic | 36 | 14 | 2.692 | 0.001083 | 2001.00615,2001.00863,etc |
| Planck length | 29 | 11 | 2.4 | 0.001075 | 2001.00821,2001.01301,etc |
| phase space | 110 | 30 | 3.759 | 0.00107 | 2001.00031,2001.00154,etc |
| quantum level | 51 | 14 | 3.846 | 0.001065 | 2001.04423,2001.04978,etc |
| best-fit value | 26 | 11 | 2.5 | 0.001059 | 2001.00935,2001.08391,etc |
| present time | 33 | 14 | 2.462 | 0.001058 | 2001.02474,2001.03228,etc |
| equatorial plane | 84 | 27 | 3.154 | 0.001054 | 2001.00229,2001.00460,etc |
| critical value | 55 | 24 | 2.348 | 0.001048 | 2001.00154,2001.00403,etc |
| metric perturbation | 40 | 18 | 2.294 | 0.001045 | 2001.00394,2001.00403,etc |
| Einstein' equation | 83 | 34 | 2.455 | 0.001017 | 2001.00027,2001.00229,etc |
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