| Einstein gravity | 92 | 27 | 3.5 | 0.005287 | 1508.00897,1508.05678,etc |
| black hole | 889 | 118 | 7.564 | 0.00513 | 1508.02665,1508.00897,etc |
| nonumber && | 68 | 11 | 4.2 | 0.00393 | 1508.06910,1508.02564,etc |
| magnetic field | 137 | 22 | 6.143 | 0.0038 | 1508.06910,1508.00926,etc |
| density perturbation | 41 | 15 | 2.857 | 0.003689 | 1508.01510,1508.03832,etc |
| Sitter space | 68 | 20 | 3.474 | 0.003679 | 1508.02665,1508.05678,etc |
| critical point | 113 | 19 | 6.167 | 0.003604 | 1508.06022,1508.06701,etc |
| light ray | 46 | 11 | 4.2 | 0.003548 | 1508.05303,1508.05745,etc |
| spectral index | 74 | 14 | 5.538 | 0.003428 | 1508.02317,1508.03376,etc |
| second law | 73 | 12 | 6.545 | 0.00338 | 1508.03069,1508.06910,etc |
| curvature perturbation | 131 | 12 | 11.636 | 0.003357 | 1508.06740,1508.06547,etc |
| event horizon | 235 | 48 | 4.979 | 0.003232 | 1508.05678,1508.05303,etc |
| vector field | 197 | 56 | 3.564 | 0.003214 | 1508.00897,1508.06910,etc |
| dark matter | 259 | 52 | 5.059 | 0.003201 | 1508.06022,1508.03331,etc |
| dark energy | 356 | 75 | 4.797 | 0.003174 | 1508.06022,1508.03331,etc |
| scalar field | 886 | 134 | 6.654 | 0.00307 | 1508.02665,1508.04797,etc |
| mass function | 75 | 13 | 5.167 | 0.002976 | 1508.00461,1508.06701,etc |
| neutron star | 147 | 23 | 6.636 | 0.002936 | 1508.06910,1508.03832,etc |
| first law | 77 | 18 | 4.353 | 0.002858 | 1508.00897,1508.06849,etc |
| gravitational field | 233 | 79 | 2.974 | 0.002726 | 1508.03331,1508.03069,etc |
| power spectrum | 192 | 29 | 6.536 | 0.002718 | 1508.02317,1508.06740,etc |
| gravitational field equation | 45 | 14 | 2.846 | 0.002654 | 1508.03069,1508.03832,etc |
| Killing vector field | 22 | 11 | 2.1 | 0.002576 | 1508.06701,1508.05953,etc |
| dispersion relation | 78 | 21 | 3.85 | 0.002547 | 1508.06910,1508.02044,etc |
| tensor perturbation | 83 | 18 | 4.118 | 0.002506 | 1508.04569,1508.04776,etc |
| gravitational wave | 147 | 37 | 4.056 | 0.002456 | 1508.04797,1508.04776,etc |
| Hubble radius | 55 | 15 | 3.857 | 0.002426 | 1508.06910,1508.02317,etc |
| perturbation theory | 80 | 33 | 2.438 | 0.002363 | 1508.07877,1508.01510,etc |
| cosmological perturbation | 78 | 23 | 3.273 | 0.002333 | 1508.02317,1508.04569,etc |
| initial datum | 212 | 33 | 6.594 | 0.00232 | 1508.04797,1508.05303,etc |
| present time | 67 | 19 | 3.5 | 0.002298 | 1508.06022,1508.06910,etc |
| path integral | 55 | 13 | 4.5 | 0.002264 | 1508.04079,1508.04776,etc |
| inner horizon | 75 | 13 | 6.167 | 0.002249 | 1508.00461,1508.06701,etc |
| apparent horizon | 46 | 15 | 3.214 | 0.002231 | 1508.03069,1508.00461,etc |
| dark sector | 38 | 11 | 3.7 | 0.002163 | 1508.06022,1508.03331,etc |
| wave function | 147 | 26 | 5.76 | 0.002151 | 1508.07877,1508.04100,etc |
| vacuum energy | 37 | 13 | 3.0 | 0.002037 | 1508.06910,1508.03832,etc |
| proper time | 97 | 40 | 2.179 | 0.00203 | 1508.05303,1508.05745,etc |
| scale invariance | 32 | 11 | 3.0 | 0.002019 | 1508.05678,1508.01343,etc |
| energy density | 331 | 91 | 3.656 | 0.001936 | 1508.02665,1508.06022,etc |
| field equation | 387 | 85 | 4.595 | 0.001905 | 1508.02665,1508.05678,etc |
| general relativity | 368 | 100 | 3.687 | 0.001898 | 1508.04797,1508.05678,etc |
| Hamiltonian constraint | 74 | 18 | 4.294 | 0.001895 | 1508.06849,1508.01810,etc |
| initial condition | 248 | 77 | 3.237 | 0.001884 | 1508.05303,1508.00461,etc |
| boundary term | 67 | 21 | 3.3 | 0.001848 | 1508.00897,1508.05678,etc |
| quantum theory | 181 | 52 | 3.529 | 0.001793 | 1508.00897,1508.06910,etc |
| angular momentum | 192 | 56 | 3.473 | 0.001777 | 1508.05678,1508.03331,etc |
| Friedmann equation | 132 | 34 | 3.97 | 0.001763 | 1508.06022,1508.03331,etc |
| dark energy model | 37 | 13 | 3.0 | 0.001751 | 1508.06022,1508.00461,etc |
| phase transition | 71 | 24 | 3.043 | 0.001716 | 1508.02317,1508.03832,etc |
| electromagnetic field | 129 | 27 | 4.923 | 0.001706 | 1508.03331,1508.06910,etc |
| quantum state | 72 | 25 | 2.958 | 0.001698 | 1508.04079,1508.00766,etc |
| slow-roll parameter | 85 | 15 | 6.0 | 0.00168 | 1508.07877,1508.07145,etc |
| mode function | 70 | 12 | 6.182 | 0.001623 | 1508.06740,1508.04776,etc |
| scale factor | 268 | 76 | 3.56 | 0.001622 | 1508.02665,1508.06022,etc |
| black hole solution | 75 | 26 | 2.84 | 0.001622 | 1508.05303,1508.04776,etc |
| state parameter | 53 | 19 | 2.889 | 0.001604 | 1508.06022,1508.04569,etc |
| kinetic term | 93 | 28 | 3.407 | 0.001575 | 1508.06740,1508.06547,etc |
| quantum gravity | 167 | 68 | 2.463 | 0.00153 | 1508.00897,1508.04100,etc |
| equivalence principle | 50 | 16 | 3.267 | 0.00152 | 1508.03331,1508.06273,etc |
| surface gravity | 43 | 21 | 2.1 | 0.001513 | 1508.00461,1508.02044,etc |
| General Relativity | 111 | 53 | 2.115 | 0.001498 | 1508.02665,1508.05678,etc |
| inflaton field | 46 | 17 | 2.812 | 0.001482 | 1508.06547,1508.07114,etc |
| phase space | 224 | 33 | 6.969 | 0.001472 | 1508.06022,1508.04079,etc |
| conservation law | 51 | 22 | 2.381 | 0.001461 | 1508.02008,1508.05375,etc |
| metric function | 66 | 19 | 3.0 | 0.001433 | 1508.05678,1508.01016,etc |
| line element | 136 | 51 | 2.7 | 0.001402 | 1508.05678,1508.03331,etc |
| complex scalar field | 44 | 11 | 4.2 | 0.001396 | 1508.06910,1508.04773,etc |
| Einstein equation | 163 | 70 | 2.348 | 0.001394 | 1508.02665,1508.00897,etc |
| harmonic oscillator | 32 | 11 | 2.9 | 0.001374 | 1508.05953,1508.05815,etc |
| critical value | 71 | 26 | 2.8 | 0.001371 | 1508.06022,1508.05303,etc |
| central charge | 37 | 11 | 3.6 | 0.001368 | 1508.04079,1508.07899,etc |
| exact solution | 113 | 47 | 2.326 | 0.001347 | 1508.05303,1508.07877,etc |
| Hawking temperature | 66 | 25 | 2.708 | 0.001343 | 1508.04663,1508.02044,etc |
| horizon radius | 33 | 15 | 2.286 | 0.001339 | 1508.04100,1508.00331,etc |
| gravitational theory | 63 | 28 | 2.222 | 0.001326 | 1508.05678,1508.03069,etc |
| matter field | 130 | 54 | 2.434 | 0.001309 | 1508.02665,1508.00897,etc |
| gauge theory | 46 | 13 | 3.083 | 0.001301 | 1508.04663,1508.03832,etc |
| perfect fluid | 88 | 37 | 2.417 | 0.0013 | 1508.02665,1508.06910,etc |
| test particle | 62 | 26 | 2.44 | 0.00129 | 1508.03331,1508.02564,etc |
| Minkowski background | 34 | 13 | 2.75 | 0.001284 | 1508.02665,1508.01810,etc |
| string theory | 141 | 58 | 2.439 | 0.001279 | 1508.02665,1508.05678,etc |
| dynamical system | 57 | 24 | 2.435 | 0.001277 | 1508.00461,1508.00441,etc |
| null vector | 47 | 13 | 3.167 | 0.001264 | 1508.04060,1508.03615,etc |
| energy-momentum tensor | 160 | 61 | 2.65 | 0.001259 | 1508.05678,1508.03069,etc |
| massive particle | 41 | 14 | 3.077 | 0.001259 | 1508.06273,1508.01429,etc |
| Sitter spacetime | 27 | 11 | 2.6 | 0.001253 | 1508.04188,1508.07570,etc |
| outer horizon | 32 | 14 | 2.308 | 0.001251 | 1508.00461,1508.06701,etc |
| quantum fluctuation | 87 | 31 | 2.833 | 0.001247 | 1508.07877,1508.04776,etc |
| boundary condition | 230 | 63 | 3.677 | 0.001242 | 1508.06022,1508.07877,etc |
| classical limit | 49 | 20 | 2.526 | 0.001228 | 1508.00897,1508.04663,etc |
| quantum mechanic | 84 | 28 | 2.926 | 0.001216 | 1508.03331,1508.00461,etc |
| number density | 37 | 12 | 3.0 | 0.001198 | 1508.03069,1508.06910,etc |
| gravity theory | 104 | 39 | 2.711 | 0.001186 | 1508.00897,1508.00461,etc |
| spacetime dimension | 38 | 15 | 2.643 | 0.001177 | 1508.05303,1508.04663,etc |
| Einstein frame | 50 | 13 | 4.083 | 0.001176 | 1508.00461,1508.05150,etc |
| extrinsic curvature | 75 | 31 | 2.467 | 0.001174 | 1508.05303,1508.04079,etc |
| Hawking radiation | 95 | 22 | 4.286 | 0.001172 | 1508.00461,1508.04100,etc |
| spherical symmetry | 107 | 47 | 2.304 | 0.00117 | 1508.05303,1508.00461,etc |
| reference frame | 26 | 11 | 2.4 | 0.001155 | 1508.03331,1508.01016,etc |
|