| black hole | 1199 | 141 | 8.536 | 0.005505 | 1708.08452,1708.00799,etc |
| null energy condition | 60 | 18 | 3.353 | 0.005196 | 1708.07874,1708.08713,etc |
| boson star | 101 | 11 | 9.9 | 0.005061 | 1708.02057,1708.05674,etc |
| neutron star | 238 | 42 | 5.732 | 0.004315 | 1708.08452,1708.02239,etc |
| scalar field | 901 | 119 | 7.619 | 0.003774 | 1708.07874,1708.05911,etc |
| null hypersurface | 33 | 12 | 2.909 | 0.003509 | 1708.00957,1708.06383,etc |
| compact object | 86 | 30 | 2.897 | 0.003474 | 1708.02057,1708.07714,etc |
| vacuum energy | 38 | 12 | 3.364 | 0.003442 | 1708.01253,1708.09736,etc |
| curvature singularity | 80 | 19 | 4.389 | 0.003296 | 1708.08125,1708.06251,etc |
| dark energy | 225 | 57 | 3.982 | 0.00327 | 1708.04715,1708.07874,etc |
| second derivative | 42 | 16 | 2.667 | 0.003088 | 1708.02329,1708.03253,etc |
| gravitational wave | 351 | 76 | 4.067 | 0.003047 | 1708.08452,1708.02239,etc |
| dark matter | 192 | 46 | 4.222 | 0.002883 | 1708.07874,1708.06490,etc |
| expansion rate | 68 | 12 | 6.091 | 0.002803 | 1708.08713,1708.09143,etc |
| entanglement entropy | 164 | 17 | 10.188 | 0.002798 | 1708.02265,1708.05600,etc |
| chirp mass | 45 | 12 | 2.636 | 0.002744 | 1708.03605,1708.07714,etc |
| Maxwell equation | 47 | 19 | 2.5 | 0.002689 | 1708.02239,1708.02329,etc |
| naked singularity | 62 | 14 | 3.462 | 0.002656 | 1708.09019,1708.05600,etc |
| gravitational field | 194 | 57 | 3.429 | 0.002617 | 1708.07874,1708.02239,etc |
| magnetic field | 95 | 26 | 3.64 | 0.00249 | 1708.00327,1708.08125,etc |
| gauge transformation | 99 | 23 | 4.455 | 0.002445 | 1708.01587,1708.07981,etc |
| state parameter | 54 | 16 | 3.2 | 0.002304 | 1708.05600,1708.01717,etc |
| Hamiltonian constraint | 55 | 15 | 3.714 | 0.002272 | 1708.09143,1708.01344,etc |
| power spectrum | 170 | 35 | 4.971 | 0.002266 | 1708.01253,1708.03253,etc |
| effective action | 84 | 21 | 3.8 | 0.002249 | 1708.07443,1708.02265,etc |
| light ray | 95 | 18 | 5.353 | 0.002222 | 1708.04011,1708.02588,etc |
| event horizon | 203 | 53 | 3.788 | 0.002219 | 1708.00957,1708.02239,etc |
| flat space-time | 29 | 11 | 2.7 | 0.002192 | 1708.04758,1708.05600,etc |
| scale factor | 221 | 61 | 3.667 | 0.002171 | 1708.07874,1708.01831,etc |
| new class | 32 | 12 | 2.818 | 0.002123 | 1708.02239,1708.05600,etc |
| Hawking temperature | 47 | 17 | 2.75 | 0.002099 | 1708.02239,1708.06251,etc |
| binary system | 92 | 15 | 6.429 | 0.002099 | 1708.09592,1708.05985,etc |
| correlation function | 72 | 13 | 5.917 | 0.002094 | 1708.07443,1708.01587,etc |
| angular momentum | 187 | 51 | 3.72 | 0.002092 | 1708.08452,1708.02057,etc |
| energy momentum tensor | 50 | 24 | 2.13 | 0.002065 | 1708.07874,1708.02057,etc |
| free particle | 34 | 15 | 2.357 | 0.002064 | 1708.02057,1708.02623,etc |
| critical point | 93 | 20 | 4.158 | 0.002045 | 1708.07874,1708.02239,etc |
| quantum gravity | 173 | 45 | 3.909 | 0.00203 | 1708.07874,1708.01831,etc |
| energy density | 361 | 89 | 4.068 | 0.002004 | 1708.08452,1708.04715,etc |
| vacuum solution | 69 | 26 | 2.56 | 0.001979 | 1708.05911,1708.02057,etc |
| electromagnetic field | 144 | 32 | 4.516 | 0.001933 | 1708.02239,1708.08125,etc |
| quantum state | 97 | 27 | 3.385 | 0.001906 | 1708.06251,1708.06731,etc |
| massive gravity | 49 | 13 | 4.0 | 0.001893 | 1708.02239,1708.01587,etc |
| wave function | 75 | 19 | 4.0 | 0.00189 | 1708.07874,1708.00327,etc |
| phase space | 131 | 32 | 4.194 | 0.001875 | 1708.07874,1708.04609,etc |
| effective field theory | 28 | 11 | 2.7 | 0.001831 | 1708.07443,1708.03226,etc |
| boundary term | 90 | 25 | 3.708 | 0.001781 | 1708.04758,1708.01779,etc |
| Schwarzschild spacetime | 72 | 21 | 3.55 | 0.001769 | 1708.04011,1708.04609,etc |
| Jordan frame | 53 | 12 | 4.727 | 0.00176 | 1708.00507,1708.07716,etc |
| Planck datum | 43 | 11 | 3.6 | 0.001759 | 1708.01714,1708.03676,etc |
| perfect fluid | 124 | 34 | 3.273 | 0.001757 | 1708.07874,1708.03944,etc |
| path integral | 114 | 15 | 8.0 | 0.001749 | 1708.07443,1708.01138,etc |
| metric tensor | 133 | 35 | 3.882 | 0.001696 | 1708.02239,1708.08713,etc |
| mass function | 55 | 17 | 3.375 | 0.00166 | 1708.08125,1708.05674,etc |
| gauge theory | 62 | 15 | 3.714 | 0.001633 | 1708.08109,1708.03331,etc |
| maximal value | 37 | 12 | 3.091 | 0.001614 | 1708.02057,1708.04003,etc |
| decay rate | 36 | 14 | 2.615 | 0.001599 | 1708.00327,1708.01138,etc |
| Weyl tensor | 62 | 23 | 2.773 | 0.001591 | 1708.02239,1708.09143,etc |
| Hubble parameter | 121 | 39 | 3.158 | 0.001585 | 1708.07874,1708.01253,etc |
| energy condition | 61 | 18 | 3.471 | 0.001569 | 1708.04715,1708.07874,etc |
| Lie algebra | 59 | 15 | 4.0 | 0.001567 | 1708.07999,1708.06575,etc |
| dispersion relation | 63 | 15 | 4.214 | 0.001547 | 1708.03226,1708.01709,etc |
| metric function | 101 | 38 | 2.703 | 0.00151 | 1708.02239,1708.02329,etc |
| constraint equation | 55 | 18 | 3.118 | 0.001507 | 1708.05911,1708.01587,etc |
| scalar perturbation | 74 | 22 | 3.476 | 0.001458 | 1708.01831,1708.07443,etc |
| initial datum | 186 | 37 | 5.111 | 0.001449 | 1708.05911,1708.05048,etc |
| total energy | 53 | 25 | 2.167 | 0.001398 | 1708.08452,1708.04758,etc |
| field redefinition | 27 | 11 | 2.6 | 0.001397 | 1708.07443,1708.06371,etc |
| massive scalar field | 49 | 20 | 2.526 | 0.001391 | 1708.05717,1708.00025,etc |
| boundary condition | 301 | 66 | 4.615 | 0.001371 | 1708.00957,1708.05717,etc |
| Killing vector field | 39 | 14 | 2.923 | 0.001358 | 1708.02057,1708.04609,etc |
| black hole entropy | 28 | 11 | 2.7 | 0.001342 | 1708.07981,1708.06037,etc |
| Friedmann equation | 85 | 32 | 2.645 | 0.001341 | 1708.07874,1708.01253,etc |
| energy-momentum tensor | 183 | 62 | 2.934 | 0.001334 | 1708.02329,1708.02057,etc |
| Sitter space | 54 | 16 | 3.533 | 0.001329 | 1708.01831,1708.04011,etc |
| nonumber && | 50 | 14 | 3.769 | 0.001329 | 1708.01485,1708.02265,etc |
| Minkowski spacetime | 96 | 36 | 2.686 | 0.001326 | 1708.05717,1708.02057,etc |
| black hole solution | 79 | 31 | 2.6 | 0.001315 | 1708.02239,1708.02329,etc |
| energy scale | 37 | 15 | 2.571 | 0.001315 | 1708.05048,1708.01587,etc |
| metric component | 36 | 15 | 2.357 | 0.001314 | 1708.04715,1708.07874,etc |
| spectral index | 39 | 11 | 2.3 | 0.001307 | 1708.01709,1708.06244,etc |
| general relativity | 329 | 133 | 2.333 | 0.001306 | 1708.08452,1708.04715,etc |
| Einstein gravity | 76 | 28 | 2.778 | 0.001304 | 1708.05215,1708.02329,etc |
| conformal factor | 36 | 16 | 2.333 | 0.001301 | 1708.04011,1708.01344,etc |
| Minkowski space | 45 | 20 | 2.316 | 0.001291 | 1708.05911,1708.02057,etc |
| massless particle | 38 | 13 | 3.083 | 0.001291 | 1708.02239,1708.05717,etc |
| Hawking radiation | 51 | 21 | 2.5 | 0.001284 | 1708.02623,1708.06251,etc |
| Einstein frame | 57 | 18 | 2.824 | 0.001252 | 1708.08713,1708.00507,etc |
| reference frame | 37 | 12 | 3.273 | 0.001249 | 1708.04758,1708.03485,etc |
| two-point function | 51 | 11 | 4.7 | 0.001231 | 1708.04905,1708.00271,etc |
| field theory | 79 | 34 | 2.364 | 0.001224 | 1708.05717,1708.08109,etc |
| matter field | 125 | 48 | 2.638 | 0.00122 | 1708.07874,1708.02329,etc |
| null geodesic | 67 | 20 | 3.474 | 0.001207 | 1708.08452,1708.08125,etc |
| Killing vector | 111 | 38 | 2.919 | 0.001196 | 1708.02329,1708.02057,etc |
| phase transition | 113 | 34 | 3.394 | 0.001186 | 1708.02239,1708.08125,etc |
| lapse function | 48 | 19 | 2.5 | 0.001186 | 1708.01344,1708.01667,etc |
| spacetime dimension | 63 | 23 | 2.818 | 0.001179 | 1708.06731,1708.04249,etc |
| gauge invariance | 32 | 11 | 3.1 | 0.001175 | 1708.05717,1708.01485,etc |
| Horndeski theory | 25 | 11 | 2.4 | 0.001171 | 1708.06371,1708.04262,etc |
| harmonic oscillator | 35 | 11 | 3.0 | 0.001166 | 1708.00327,1708.00619,etc |
|