| 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 |
| null hypersurface | 33 | 12 | 2.909 | 0.003509 | 1708.00957,1708.06383,etc |
| curvature singularity | 80 | 19 | 4.389 | 0.003296 | 1708.08125,1708.06251,etc |
| second derivative | 42 | 16 | 2.667 | 0.003088 | 1708.02329,1708.03253,etc |
| entanglement entropy | 164 | 17 | 10.188 | 0.002798 | 1708.02265,1708.05600,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 |
| 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 |
| flat space-time | 29 | 11 | 2.7 | 0.002192 | 1708.04758,1708.05600,etc |
| new class | 32 | 12 | 2.818 | 0.002123 | 1708.02239,1708.05600,etc |
| free particle | 34 | 15 | 2.357 | 0.002064 | 1708.02057,1708.02623,etc |
| vacuum solution | 69 | 26 | 2.56 | 0.001979 | 1708.05911,1708.02057,etc |
| massive gravity | 49 | 13 | 4.0 | 0.001893 | 1708.02239,1708.01587,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 |
| path integral | 114 | 15 | 8.0 | 0.001749 | 1708.07443,1708.01138,etc |
| maximal value | 37 | 12 | 3.091 | 0.001614 | 1708.02057,1708.04003,etc |
| Lie algebra | 59 | 15 | 4.0 | 0.001567 | 1708.07999,1708.06575,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 |
| initial datum | 186 | 37 | 5.111 | 0.001449 | 1708.05911,1708.05048,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 |
| 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 |
| 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 |
| 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 |
| Einstein frame | 57 | 18 | 2.824 | 0.001252 | 1708.08713,1708.00507,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 |
| spacetime dimension | 63 | 23 | 2.818 | 0.001179 | 1708.06731,1708.04249,etc |
| Horndeski theory | 25 | 11 | 2.4 | 0.001171 | 1708.06371,1708.04262,etc |
| slow-roll parameter | 44 | 11 | 4.2 | 0.001129 | 1708.07443,1708.03226,etc |
| source term | 63 | 16 | 4.133 | 0.00112 | 1708.08452,1708.01253,etc |
| curvature tensor | 28 | 12 | 2.273 | 0.00111 | 1708.08109,1708.04489,etc |
| gravity model | 40 | 15 | 2.286 | 0.001109 | 1708.07874,1708.03592,etc |
| Einstein' equation | 112 | 36 | 3.143 | 0.001069 | 1708.08452,1708.06490,etc |
| hole solution | 34 | 14 | 2.538 | 0.00105 | 1708.02239,1708.02329,etc |
| kinetic term | 62 | 27 | 2.346 | 0.001047 | 1708.05215,1708.08713,etc |
| cosmological solution | 42 | 14 | 3.154 | 0.001037 | 1708.07874,1708.09143,etc |
| matter density | 37 | 18 | 2.059 | 0.001004 | 1708.07874,1708.09143,etc |
| massive particle | 38 | 15 | 2.286 | 0.00098 | 1708.05717,1708.03485,etc |
| analytical solution | 39 | 17 | 2.312 | 0.000946 | 1708.08452,1708.04609,etc |
| order term | 76 | 34 | 2.242 | 0.000926 | 1708.05717,1708.06731,etc |
| stress-energy tensor | 64 | 26 | 2.52 | 0.000925 | 1708.08452,1708.05717,etc |
| asymptotic behaviour | 38 | 16 | 2.333 | 0.000918 | 1708.01485,1708.03592,etc |
| imaginary part | 52 | 21 | 2.55 | 0.000907 | 1708.01831,1708.01485,etc |
| parameter estimation | 34 | 11 | 3.3 | 0.000888 | 1708.07714,1708.04359,etc |
| gravity theory | 103 | 31 | 3.267 | 0.000867 | 1708.07874,1708.02329,etc |
| third order | 39 | 14 | 2.923 | 0.00084 | 1708.06575,1708.09228,etc |
| quantum correction | 31 | 14 | 2.077 | 0.000821 | 1708.01359,1708.07716,etc |
| linear perturbation | 36 | 18 | 2.059 | 0.0008 | 1708.09143,1708.05674,etc |
| Einstein' theory | 36 | 16 | 2.267 | 0.000783 | 1708.09456,1708.06634,etc |
| AdS boundary | 37 | 12 | 3.273 | 0.000777 | 1708.00957,1708.05600,etc |
| dynamical equation | 27 | 11 | 2.3 | 0.000764 | 1708.03676,1708.00507,etc |
| gravitational waveform | 34 | 12 | 3.0 | 0.000757 | 1708.03605,1708.05985,etc |
| momentum space | 27 | 11 | 2.5 | 0.000731 | 1708.08452,1708.05717,etc |
| spherical symmetry | 81 | 37 | 2.139 | 0.000726 | 1708.08452,1708.04715,etc |
| differential equation | 143 | 64 | 2.222 | 0.000721 | 1708.07874,1708.03944,etc |
| tensor-to-scalar ratio | 36 | 13 | 2.917 | 0.00072 | 1708.03253,1708.01714,etc |
| numerical relativity | 47 | 15 | 3.0 | 0.000699 | 1708.09143,1708.01344,etc |
| evolution equation | 69 | 32 | 2.194 | 0.000698 | 1708.08452,1708.05911,etc |
| cosmological term | 28 | 13 | 2.25 | 0.000683 | 1708.05048,1708.06037,etc |
| real part | 56 | 19 | 3.0 | 0.00067 | 1708.01485,1708.00538,etc |
| geodesic equation | 61 | 24 | 2.304 | 0.000663 | 1708.00957,1708.04609,etc |
| linearized equation | 37 | 15 | 2.429 | 0.000661 | 1708.02329,1708.09019,etc |
| quantum theory | 92 | 38 | 2.459 | 0.000656 | 1708.00327,1708.05215,etc |
| Lagrange multiplier | 48 | 12 | 4.091 | 0.000655 | 1708.03944,1708.07694,etc |
| gravitational action | 57 | 17 | 3.312 | 0.000631 | 1708.09019,1708.01717,etc |
| Klein-Gordon equation | 55 | 26 | 2.16 | 0.000613 | 1708.02057,1708.08109,etc |
| time dependence | 43 | 15 | 3.0 | 0.000613 | 1708.02265,1708.04905,etc |
| background spacetime | 34 | 15 | 2.071 | 0.00061 | 1708.04011,1708.04003,etc |
| curved spacetime | 65 | 24 | 2.783 | 0.000607 | 1708.08452,1708.04011,etc |
| first law | 54 | 15 | 3.786 | 0.000601 | 1708.02239,1708.08125,etc |
| present time | 32 | 15 | 2.214 | 0.00059 | 1708.01253,1708.03177,etc |
| mass parameter | 47 | 17 | 2.875 | 0.000573 | 1708.02265,1708.04003,etc |
| hypergeometric function | 26 | 13 | 2.083 | 0.000517 | 1708.08713,1708.09456,etc |
| arbitrary function | 83 | 39 | 2.132 | 0.00051 | 1708.00957,1708.08125,etc |
| radial equation | 35 | 12 | 3.0 | 0.000475 | 1708.04715,1708.09399,etc |
| effective theory | 39 | 18 | 2.118 | 0.00047 | 1708.08713,1708.01485,etc |
| linear order | 50 | 18 | 2.824 | 0.000463 | 1708.02329,1708.09228,etc |
| inflationary model | 48 | 19 | 2.611 | 0.000455 | 1708.07443,1708.03253,etc |
| second law | 25 | 11 | 2.2 | 0.000454 | 1708.00957,1708.08713,etc |
| item For | 30 | 12 | 2.455 | 0.000439 | 1708.08878,1708.02265,etc |
| differential operator | 49 | 18 | 2.824 | 0.000435 | 1708.07443,1708.02265,etc |
| one-parameter family | 35 | 12 | 3.091 | 0.000426 | 1708.09228,1708.02878,etc |
| complex conjugate | 31 | 15 | 2.071 | 0.000425 | 1708.04947,1708.06383,etc |
| right-hand side | 84 | 36 | 2.371 | 0.000407 | 1708.08452,1708.02329,etc |
|