| Einstein equation | 143 | 58 | 2.421 | 0.005913 | 1801.08631,1801.10548,etc |
| black hole | 1494 | 152 | 9.874 | 0.005713 | 1801.08631,1801.10537,etc |
| spacetime curvature | 34 | 17 | 2.062 | 0.005442 | 1801.05830,1801.03208,etc |
| cosmic string | 81 | 11 | 7.1 | 0.005172 | 1801.09615,1801.00122,etc |
| local Lorentz transformation | 34 | 12 | 3.0 | 0.004742 | 1801.03178,1801.05786,etc |
| Hawking radiation | 118 | 30 | 3.966 | 0.004694 | 1801.04930,1801.06149,etc |
| decay rate | 54 | 13 | 4.417 | 0.004489 | 1801.05688,1801.04930,etc |
| apparent horizon | 100 | 15 | 6.786 | 0.004271 | 1801.07989,1801.03044,etc |
| energy condition | 46 | 15 | 3.143 | 0.004111 | 1801.01987,1801.00911,etc |
| massive scalar field | 44 | 16 | 2.867 | 0.004108 | 1801.02582,1801.02026,etc |
| phase space | 187 | 33 | 5.75 | 0.004063 | 1801.02582,1801.01276,etc |
| scalar field | 999 | 138 | 7.263 | 0.003866 | 1801.02063,1801.08631,etc |
| extra dimension | 59 | 12 | 5.091 | 0.003728 | 1801.03208,1801.08402,etc |
| cosmological model | 98 | 37 | 2.694 | 0.003702 | 1801.08136,1801.07989,etc |
| null hypersurface | 41 | 11 | 4.0 | 0.003659 | 1801.07064,1801.10380,etc |
| second law | 50 | 15 | 2.714 | 0.003521 | 1801.00650,1801.06149,etc |
| Hilbert space | 111 | 22 | 5.048 | 0.00344 | 1801.02176,1801.02582,etc |
| big bang | 61 | 12 | 5.0 | 0.003327 | 1801.08631,1801.02559,etc |
| first law | 62 | 13 | 4.75 | 0.003193 | 1801.02026,1801.07064,etc |
| electric field | 100 | 23 | 4.409 | 0.002985 | 1801.02176,1801.04930,etc |
| magnetic field | 164 | 37 | 3.861 | 0.002923 | 1801.00650,1801.09920,etc |
| compact object | 98 | 30 | 3.034 | 0.002871 | 1801.08136,1801.02559,etc |
| neutron star | 231 | 40 | 5.897 | 0.002814 | 1801.08136,1801.06149,etc |
| thermal equilibrium | 46 | 15 | 3.214 | 0.002709 | 1801.05688,1801.00650,etc |
| new term | 29 | 13 | 2.333 | 0.002691 | 1801.05688,1801.02176,etc |
| momentum space | 48 | 20 | 2.474 | 0.002682 | 1801.04930,1801.02582,etc |
| tensor perturbation | 81 | 20 | 3.789 | 0.002561 | 1801.00650,1801.05138,etc |
| number density | 54 | 13 | 4.0 | 0.002546 | 1801.05688,1801.00650,etc |
| spatial curvature | 53 | 16 | 3.333 | 0.002545 | 1801.08501,1801.05789,etc |
| dark matter | 293 | 52 | 5.176 | 0.002514 | 1801.02176,1801.10548,etc |
| critical point | 108 | 24 | 4.652 | 0.002493 | 1801.06149,1801.05789,etc |
| mass function | 60 | 11 | 5.5 | 0.002474 | 1801.01993,1801.01981,etc |
| dispersion relation | 92 | 22 | 3.714 | 0.002471 | 1801.01787,1801.09920,etc |
| Weyl tensor | 127 | 29 | 4.5 | 0.00246 | 1801.00307,1801.01276,etc |
| field equation | 337 | 80 | 4.253 | 0.002305 | 1801.02063,1801.01987,etc |
| Einstein gravity | 84 | 23 | 3.455 | 0.002279 | 1801.08631,1801.10537,etc |
| light ray | 86 | 17 | 4.688 | 0.002222 | 1801.07280,1801.07064,etc |
| phase transition | 83 | 24 | 3.565 | 0.002212 | 1801.00650,1801.04056,etc |
| background field | 28 | 11 | 2.7 | 0.002212 | 1801.07151,1801.03208,etc |
| black hole solution | 67 | 23 | 2.955 | 0.002195 | 1801.10537,1801.03044,etc |
| curved spacetime | 80 | 32 | 2.548 | 0.002182 | 1801.07280,1801.08501,etc |
| geodesic equation | 82 | 23 | 3.636 | 0.002158 | 1801.08136,1801.06149,etc |
| wave function | 94 | 12 | 4.091 | 0.002135 | 1801.05688,1801.08631,etc |
| naked singularity | 86 | 18 | 4.706 | 0.002124 | 1801.10537,1801.04930,etc |
| inflaton field | 62 | 18 | 3.471 | 0.00212 | 1801.07151,1801.08810,etc |
| gravitational wave | 396 | 93 | 4.283 | 0.002117 | 1801.00650,1801.00307,etc |
| Minkowski spacetime | 79 | 30 | 2.655 | 0.002111 | 1801.08434,1801.05549,etc |
| spectral index | 89 | 16 | 5.6 | 0.002104 | 1801.04056,1801.08810,etc |
| conservation law | 48 | 16 | 2.867 | 0.002102 | 1801.04710,1801.01276,etc |
| vacuum energy | 92 | 20 | 4.789 | 0.002046 | 1801.02176,1801.08434,etc |
| Friedmann equation | 126 | 28 | 4.63 | 0.002025 | 1801.02063,1801.02176,etc |
| Hawking temperature | 90 | 23 | 3.864 | 0.002023 | 1801.10537,1801.07989,etc |
| Sitter spacetime | 47 | 11 | 4.6 | 0.001988 | 1801.05688,1801.06549,etc |
| path integral | 58 | 12 | 5.182 | 0.00196 | 1801.02582,1801.04083,etc |
| probability distribution | 53 | 13 | 4.25 | 0.001944 | 1801.02176,1801.04930,etc |
| conformal transformation | 120 | 30 | 3.931 | 0.001925 | 1801.01987,1801.08136,etc |
| Schr"odinger equation | 37 | 11 | 2.9 | 0.001912 | 1801.08631,1801.04056,etc |
| general solution | 154 | 46 | 3.378 | 0.001908 | 1801.10537,1801.10548,etc |
| quantum gravity | 200 | 61 | 3.317 | 0.001905 | 1801.08631,1801.04930,etc |
| dark energy | 203 | 61 | 3.367 | 0.001902 | 1801.02063,1801.02176,etc |
| metric function | 85 | 29 | 3.0 | 0.00188 | 1801.02026,1801.07151,etc |
| angular momentum | 273 | 72 | 3.69 | 0.001878 | 1801.08631,1801.05780,etc |
| gauge field | 133 | 33 | 4.062 | 0.001873 | 1801.01987,1801.04930,etc |
| radiation field | 31 | 11 | 3.0 | 0.001859 | 1801.05138,1801.06931,etc |
| vector field | 185 | 62 | 2.967 | 0.001849 | 1801.08434,1801.00650,etc |
| curved background | 36 | 12 | 3.091 | 0.001839 | 1801.07064,1801.05718,etc |
| singular point | 32 | 12 | 2.818 | 0.001827 | 1801.05830,1801.05789,etc |
| event horizon | 312 | 66 | 4.785 | 0.0018 | 1801.01987,1801.06149,etc |
| wave equation | 126 | 35 | 3.676 | 0.001779 | 1801.00307,1801.07453,etc |
| luminosity distance | 51 | 16 | 2.733 | 0.001759 | 1801.05942,1801.02624,etc |
| gauge theory | 54 | 20 | 2.789 | 0.00173 | 1801.00676,1801.03178,etc |
| energy flux | 84 | 15 | 5.929 | 0.001716 | 1801.10548,1801.03208,etc |
| auxiliary field | 42 | 13 | 3.417 | 0.001706 | 1801.08434,1801.02582,etc |
| stress tensor | 32 | 11 | 2.9 | 0.001698 | 1801.02615,1801.07064,etc |
| general relativity | 357 | 121 | 2.942 | 0.00166 | 1801.08631,1801.00676,etc |
| energy density | 293 | 96 | 3.063 | 0.001654 | 1801.02063,1801.08434,etc |
| exterior region | 34 | 12 | 3.0 | 0.001649 | 1801.03044,1801.07146,etc |
| Hubble rate | 67 | 16 | 4.4 | 0.001607 | 1801.08501,1801.02269,etc |
| curvature perturbation | 68 | 14 | 4.154 | 0.001604 | 1801.05138,1801.00227,etc |
| quantum correction | 76 | 25 | 3.125 | 0.001589 | 1801.08810,1801.01276,etc |
| Lagrange multiplier | 83 | 21 | 4.1 | 0.001578 | 1801.04056,1801.01787,etc |
| power spectrum | 197 | 36 | 5.171 | 0.001513 | 1801.05688,1801.10548,etc |
| boundary condition | 276 | 65 | 4.172 | 0.001507 | 1801.08579,1801.05664,etc |
| scale factor | 264 | 77 | 3.461 | 0.001499 | 1801.05688,1801.08631,etc |
| mass scale | 38 | 17 | 2.312 | 0.00149 | 1801.02559,1801.03044,etc |
| Hamilton-Jacobi equation | 31 | 11 | 3.0 | 0.001469 | 1801.07989,1801.04056,etc |
| linearized equation | 33 | 11 | 3.2 | 0.001463 | 1801.07064,1801.03840,etc |
| constraint equation | 58 | 19 | 3.167 | 0.001457 | 1801.03044,1801.01787,etc |
| quantum level | 24 | 12 | 2.091 | 0.001454 | 1801.07151,1801.01276,etc |
| gauge invariance | 45 | 19 | 2.444 | 0.001452 | 1801.00676,1801.07064,etc |
| metric perturbation | 62 | 23 | 2.773 | 0.001452 | 1801.00650,1801.02443,etc |
| null geodesic | 102 | 29 | 3.536 | 0.001449 | 1801.04930,1801.07146,etc |
| Hamilton' equation | 47 | 12 | 4.182 | 0.001443 | 1801.04930,1801.07989,etc |
| dynamical system | 55 | 15 | 3.5 | 0.001434 | 1801.04710,1801.01276,etc |
| accretion disk | 44 | 14 | 3.154 | 0.001421 | 1801.08136,1801.06149,etc |
| black hole entropy | 34 | 14 | 2.538 | 0.001407 | 1801.10537,1801.04930,etc |
| initial condition | 219 | 81 | 2.725 | 0.001398 | 1801.02063,1801.05688,etc |
| Einstein frame | 75 | 16 | 4.933 | 0.001379 | 1801.08136,1801.08810,etc |
| commutation relation | 41 | 20 | 2.105 | 0.001361 | 1801.07280,1801.03918,etc |
| Euler-Lagrange equation | 30 | 14 | 2.154 | 0.001357 | 1801.08136,1801.03044,etc |
|