| boson star | 41 | 11 | 4.0 | 0.003913 | 1903.01488,1903.03047,etc |
| extra dimension | 69 | 15 | 4.857 | 0.003239 | 1903.03514,1903.04843,etc |
| massive scalar field | 75 | 12 | 6.727 | 0.003008 | 1903.03483,1903.04303,etc |
| cosmological horizon | 72 | 15 | 4.143 | 0.0029 | 1903.01502,1903.01877,etc |
| black hole mass | 70 | 24 | 2.87 | 0.002856 | 1903.01490,1903.01958,etc |
| distant observer | 35 | 12 | 2.273 | 0.002711 | 1903.01726,1903.04593,etc |
| matter perturbation | 34 | 11 | 3.0 | 0.002532 | 1903.01840,1903.01846,etc |
| path integral | 46 | 13 | 3.667 | 0.002425 | 1903.04382,1903.11364,etc |
| electric field | 90 | 17 | 5.5 | 0.002173 | 1903.00043,1903.01036,etc |
| cosmological perturbation | 55 | 18 | 2.471 | 0.001956 | 1903.01502,1903.03836,etc |
| quantum system | 50 | 14 | 3.692 | 0.001923 | 1903.01227,1903.07029,etc |
| Klein-Gordon equation | 58 | 22 | 2.714 | 0.001889 | 1903.00025,1903.01846,etc |
| black hole horizon | 62 | 19 | 3.111 | 0.001831 | 1903.01036,1903.01490,etc |
| exotic matter | 37 | 11 | 3.6 | 0.001822 | 1903.01227,1903.02035,etc |
| scalar hair | 39 | 13 | 3.167 | 0.001791 | 1903.01488,1903.01958,etc |
| energy-momentum tensor | 167 | 63 | 2.677 | 0.001774 | 1903.00391,1903.01044,etc |
| tensor-to-scalar ratio | 33 | 12 | 2.818 | 0.001758 | 1903.03548,1903.03974,etc |
| black hole spacetime | 35 | 13 | 2.833 | 0.001724 | 1903.01036,1903.01958,etc |
| dark energy density | 29 | 12 | 2.364 | 0.0017 | 1903.03098,1903.03836,etc |
| maximum mass | 34 | 14 | 2.538 | 0.001659 | 1903.00391,1903.01183,etc |
| Schwarzschild spacetime | 55 | 20 | 2.842 | 0.00163 | 1903.00360,1903.01958,etc |
| Planck scale | 61 | 29 | 2.071 | 0.001627 | 1903.00930,1903.01044,etc |
| massive particle | 54 | 18 | 3.0 | 0.00162 | 1903.00842,1903.01958,etc |
| stress-energy tensor | 106 | 28 | 3.593 | 0.00159 | 1903.01036,1903.01490,etc |
| geodesic motion | 36 | 17 | 2.188 | 0.001546 | 1903.00360,1903.01726,etc |
| effective mass | 55 | 23 | 2.364 | 0.001544 | 1903.01490,1903.02399,etc |
| geodesic equation | 58 | 23 | 2.591 | 0.001532 | 1903.00990,1903.01645,etc |
| Lorentz symmetry | 26 | 12 | 2.273 | 0.00151 | 1903.02055,1903.05427,etc |
| Sitter space | 90 | 12 | 8.091 | 0.001502 | 1903.07029,1903.07455,etc |
| inflaton field | 49 | 14 | 3.692 | 0.001461 | 1903.00930,1903.02399,etc |
| black hole solution | 61 | 25 | 2.5 | 0.001434 | 1903.01036,1903.01490,etc |
| quantum theory | 98 | 34 | 2.939 | 0.001425 | 1903.01958,1903.03098,etc |
| horizon radius | 53 | 20 | 2.737 | 0.001409 | 1903.02624,1903.03430,etc |
| posterior distribution | 43 | 13 | 3.417 | 0.001386 | 1903.02886,1903.03836,etc |
| quantum mechanic | 52 | 22 | 2.429 | 0.00134 | 1903.03429,1903.04391,etc |
| curved spacetime | 62 | 28 | 2.185 | 0.001294 | 1903.00025,1903.00043,etc |
| power law | 29 | 12 | 2.545 | 0.001259 | 1903.02049,1903.02886,etc |
| central value | 30 | 11 | 2.9 | 0.001232 | 1903.00391,1903.07779,etc |
| source term | 54 | 15 | 3.643 | 0.001228 | 1903.01036,1903.01840,etc |
| null energy condition | 46 | 16 | 2.867 | 0.001226 | 1903.00930,1903.01227,etc |
| boundary condition | 145 | 45 | 3.273 | 0.001178 | 1903.00025,1903.00391,etc |
| Gauss-Bonnet term | 28 | 12 | 2.455 | 0.001171 | 1903.02055,1903.02399,etc |
| Jordan frame | 54 | 18 | 3.118 | 0.001144 | 1903.00391,1903.03548,etc |
| quantum field theory | 74 | 36 | 2.086 | 0.001142 | 1903.00043,1903.01227,etc |
| Schwarzschild solution | 50 | 21 | 2.25 | 0.001121 | 1903.00990,1903.01645,etc |
| scalar-tensor theory | 85 | 34 | 2.394 | 0.001102 | 1903.00391,1903.02055,etc |
| initial datum | 120 | 32 | 3.839 | 0.001097 | 1903.00546,1903.01036,etc |
| Horndeski theory | 52 | 14 | 3.923 | 0.001089 | 1903.01502,1903.02055,etc |
| asymptotic value | 41 | 13 | 3.333 | 0.001077 | 1903.00391,1903.07092,etc |
| general solution | 57 | 26 | 2.24 | 0.001077 | 1903.01044,1903.01126,etc |
| constraint equation | 71 | 14 | 5.154 | 0.001053 | 1903.00025,1903.01036,etc |
| state parameter | 45 | 17 | 2.75 | 0.001044 | 1903.00930,1903.02288,etc |
| thermodynamic property | 33 | 13 | 2.583 | 0.001044 | 1903.01647,1903.03430,etc |
| slow-roll parameter | 33 | 12 | 2.818 | 0.001043 | 1903.03548,1903.03974,etc |
| gravity model | 39 | 16 | 2.267 | 0.00104 | 1903.01502,1903.03974,etc |
| exact solution | 97 | 40 | 2.436 | 0.001022 | 1903.01044,1903.01490,etc |
| total energy density | 37 | 16 | 2.333 | 0.000951 | 1903.02370,1903.04845,etc |
| metric function | 84 | 38 | 2.243 | 0.000941 | 1903.00025,1903.00391,etc |
| spherical symmetry | 67 | 28 | 2.444 | 0.00093 | 1903.01645,1903.01958,etc |
| cosmological evolution | 35 | 17 | 2.125 | 0.000921 | 1903.03940,1903.05427,etc |
| first law | 45 | 16 | 2.8 | 0.000892 | 1903.01647,1903.02950,etc |
| Kerr solution | 31 | 12 | 2.636 | 0.000874 | 1903.00990,1903.01488,etc |
| quadratic term | 24 | 11 | 2.3 | 0.000872 | 1903.02399,1903.03204,etc |
| kinetic term | 95 | 21 | 4.7 | 0.000869 | 1903.01490,1903.02055,etc |
| matter sector | 37 | 13 | 2.917 | 0.000853 | 1903.00025,1903.00391,etc |
| gravitational theory | 39 | 19 | 2.111 | 0.000851 | 1903.01958,1903.03043,etc |
| spatial infinity | 60 | 25 | 2.417 | 0.00083 | 1903.00391,1903.01036,etc |
| quantum correction | 31 | 14 | 2.154 | 0.000809 | 1903.00391,1903.02055,etc |
| signal-to-noise ratio | 51 | 23 | 2.273 | 0.000803 | 1903.02049,1903.02389,etc |
| nonumber && | 32 | 15 | 2.214 | 0.000801 | 1903.04023,1903.04741,etc |
| differential equation | 116 | 45 | 2.545 | 0.000785 | 1903.00025,1903.00391,etc |
| cosmological dynamic | 30 | 11 | 2.8 | 0.000773 | 1903.01227,1903.01645,etc |
| spatial curvature | 25 | 12 | 2.182 | 0.000767 | 1903.01877,1903.03043,etc |
| matter field | 94 | 47 | 2.022 | 0.000765 | 1903.01126,1903.02370,etc |
| mass scale | 52 | 14 | 3.923 | 0.000749 | 1903.01490,1903.03842,etc |
| energy scale | 52 | 21 | 2.45 | 0.000739 | 1903.00043,1903.03098,etc |
| imaginary part | 34 | 15 | 2.143 | 0.000737 | 1903.03483,1903.03778,etc |
| no-hair theorem | 38 | 14 | 2.846 | 0.000736 | 1903.01958,1903.02055,etc |
| area law | 25 | 11 | 2.3 | 0.000731 | 1903.04627,1903.08284,etc |
| matter density | 40 | 18 | 2.118 | 0.000722 | 1903.01840,1903.06471,etc |
| nonumber & | 53 | 25 | 2.167 | 0.000717 | 1903.00287,1903.01781,etc |
| mass term | 33 | 14 | 2.462 | 0.000691 | 1903.03204,1903.03483,etc |
| hypergeometric function | 28 | 11 | 2.6 | 0.000675 | 1903.04391,1903.04775,etc |
| causal structure | 30 | 11 | 2.9 | 0.00067 | 1903.01726,1903.06376,etc |
| Einstein frame | 56 | 21 | 2.75 | 0.000639 | 1903.00391,1903.03548,etc |
| physical observable | 24 | 12 | 2.091 | 0.000611 | 1903.01490,1903.01502,etc |
| effective action | 62 | 15 | 4.286 | 0.000606 | 1903.03842,1903.05113,etc |
| evolution equation | 44 | 18 | 2.412 | 0.000538 | 1903.00930,1903.01036,etc |
| conformal factor | 57 | 20 | 2.737 | 0.000523 | 1903.01036,1903.01044,etc |
| toy model | 45 | 22 | 2.095 | 0.000478 | 1903.01490,1903.01645,etc |
| commutation relation | 28 | 13 | 2.25 | 0.000408 | 1903.04593,1903.04712,etc |
| Hamiltonian constraint | 27 | 12 | 2.364 | 0.0004 | 1903.00025,1903.01036,etc |
| effective theory | 64 | 16 | 4.2 | 0.00032 | 1903.03483,1903.03974,etc |
| Kerr spacetime | 36 | 17 | 2.188 | 0.000265 | 1903.01490,1903.01726,etc |