| Sitter space | 110 | 14 | 7.923 | 0.005496 | 1901.02767,1901.04180,etc |
| boson star | 70 | 11 | 2.9 | 0.004336 | 1901.02953,1901.03390,etc |
| Horndeski theory | 158 | 11 | 15.7 | 0.003715 | 1901.02202,1901.03972,etc |
| black hole solution | 102 | 28 | 3.741 | 0.003291 | 1901.00231,1901.00977,etc |
| quasinormal mode | 65 | 13 | 3.833 | 0.002857 | 1901.01265,1901.02592,etc |
| extremal black hole | 72 | 14 | 5.154 | 0.002479 | 1901.00218,1901.02784,etc |
| effective field theory | 46 | 19 | 2.333 | 0.002339 | 1901.01265,1901.01731,etc |
| quantum mechanic | 104 | 25 | 4.25 | 0.002164 | 1901.01873,1901.03755,etc |
| dynamical system | 96 | 15 | 6.786 | 0.00215 | 1901.00167,1901.00388,etc |
| energy-momentum tensor | 118 | 48 | 2.489 | 0.002105 | 1901.00025,1901.00231,etc |
| gravitational wave detector | 28 | 11 | 2.6 | 0.002079 | 1901.00021,1901.02227,etc |
| inflaton field | 41 | 13 | 3.333 | 0.001851 | 1901.00167,1901.01897,etc |
| metric function | 110 | 27 | 3.654 | 0.001818 | 1901.00231,1901.00937,etc |
| curvature tensor | 42 | 12 | 3.727 | 0.001742 | 1901.00021,1901.01363,etc |
| black hole thermodynamic | 36 | 14 | 2.692 | 0.001693 | 1901.00977,1901.01506,etc |
| kinetic term | 108 | 33 | 3.219 | 0.001672 | 1901.01031,1901.01873,etc |
| exotic matter | 34 | 12 | 3.0 | 0.001666 | 1901.00231,1901.04314,etc |
| power law | 39 | 13 | 3.083 | 0.001661 | 1901.00937,1901.01820,etc |
| geodesic equation | 65 | 15 | 4.571 | 0.001653 | 1901.00021,1901.01202,etc |
| first law | 83 | 22 | 3.857 | 0.00159 | 1901.00937,1901.01087,etc |
| hole solution | 65 | 21 | 3.05 | 0.001511 | 1901.00231,1901.00977,etc |
| Sitter spacetime | 40 | 12 | 2.545 | 0.001487 | 1901.02730,1901.05171,etc |
| classical limit | 24 | 11 | 2.3 | 0.001391 | 1901.05171,1901.05766,etc |
| Klein-Gordon equation | 65 | 22 | 2.81 | 0.001376 | 1901.01176,1901.01265,etc |
| Einstein frame | 105 | 20 | 5.474 | 0.001317 | 1901.00194,1901.00937,etc |
| quantum theory | 64 | 26 | 2.52 | 0.001304 | 1901.00805,1901.01279,etc |
| imaginary part | 66 | 22 | 3.095 | 0.001304 | 1901.03413,1901.03779,etc |
| asymptotic behavior | 61 | 28 | 2.185 | 0.001282 | 1901.01265,1901.02202,etc |
| field configuration | 33 | 12 | 2.636 | 0.001245 | 1901.02953,1901.04624,etc |
| binary black hole | 40 | 17 | 2.438 | 0.00124 | 1901.00869,1901.02227,etc |
| Einstein gravity | 45 | 21 | 2.15 | 0.001239 | 1901.01363,1901.03972,etc |
| boundary term | 30 | 11 | 2.5 | 0.001237 | 1901.00194,1901.04973,etc |
| Einstein' theory | 34 | 17 | 2.062 | 0.00122 | 1901.02326,1901.02965,etc |
| cosmological constant problem | 35 | 13 | 2.667 | 0.001205 | 1901.01731,1901.05766,etc |
| Poisson bracket | 33 | 11 | 2.5 | 0.001189 | 1901.01031,1901.01279,etc |
| mass parameter | 26 | 11 | 2.5 | 0.001176 | 1901.01265,1901.04180,etc |
| matter field | 110 | 46 | 2.422 | 0.001174 | 1901.00194,1901.00805,etc |
| static solution | 45 | 16 | 2.933 | 0.00117 | 1901.02461,1901.02965,etc |
| symmetric spacetime | 76 | 19 | 4.167 | 0.001164 | 1901.01265,1901.01363,etc |
| light ray | 33 | 11 | 3.1 | 0.001154 | 1901.01167,1901.02785,etc |
| state parameter | 39 | 17 | 2.375 | 0.001127 | 1901.02155,1901.03972,etc |
| quantum field theory | 76 | 32 | 2.387 | 0.00111 | 1901.01167,1901.01596,etc |
| causal structure | 30 | 12 | 2.455 | 0.001106 | 1901.00869,1901.01176,etc |
| cosmological horizon | 48 | 12 | 4.091 | 0.001102 | 1901.05171,1901.06659,etc |
| present time | 41 | 17 | 2.438 | 0.001081 | 1901.00167,1901.03354,etc |
| gravity theory | 107 | 40 | 2.692 | 0.001074 | 1901.00977,1901.01265,etc |
| spherical symmetry | 61 | 28 | 2.037 | 0.001069 | 1901.01202,1901.01265,etc |
| effective mass | 56 | 13 | 4.417 | 0.001041 | 1901.00218,1901.02461,etc |
| classical solution | 36 | 16 | 2.333 | 0.001015 | 1901.01279,1901.02953,etc |
| scalar-tensor theory | 112 | 19 | 6.167 | 0.001007 | 1901.00194,1901.00937,etc |
| Schwarzschild solution | 29 | 12 | 2.455 | 0.000987 | 1901.02965,1901.04460,etc |
| maximum mass | 57 | 15 | 3.929 | 0.000977 | 1901.00937,1901.02965,etc |
| Einstein' field equation | 29 | 12 | 2.545 | 0.000976 | 1901.02965,1901.03755,etc |
| Planck scale | 65 | 27 | 2.462 | 0.000948 | 1901.01596,1901.01731,etc |
| asymptotic region | 38 | 14 | 2.846 | 0.000946 | 1901.00977,1901.02965,etc |
| asymptotic value | 32 | 16 | 2.067 | 0.000941 | 1901.00937,1901.02461,etc |
| initial datum | 47 | 20 | 2.421 | 0.000937 | 1901.00021,1901.00194,etc |
| Einstein' equation | 79 | 24 | 3.304 | 0.000912 | 1901.00231,1901.01031,etc |
| spatial curvature | 37 | 15 | 2.571 | 0.000911 | 1901.00937,1901.00938,etc |
| null energy condition | 40 | 14 | 2.846 | 0.00091 | 1901.00231,1901.07183,etc |
| effective action | 119 | 19 | 6.556 | 0.000907 | 1901.00218,1901.01731,etc |
| Hamiltonian constraint | 48 | 11 | 4.6 | 0.000905 | 1901.01279,1901.03387,etc |
| electromagnetic counterpart | 33 | 16 | 2.133 | 0.000844 | 1901.00025,1901.02202,etc |
| Schr"odinger equation | 39 | 13 | 3.167 | 0.000823 | 1901.01596,1901.01873,etc |
| slow-roll parameter | 37 | 12 | 3.091 | 0.000807 | 1901.02892,1901.04607,etc |
| Einstein-Hilbert action | 64 | 28 | 2.333 | 0.000806 | 1901.00194,1901.00937,etc |
| present value | 31 | 13 | 2.333 | 0.000767 | 1901.00167,1901.03354,etc |
| inflationary model | 34 | 13 | 2.75 | 0.000764 | 1901.00167,1901.02892,etc |
| item The | 33 | 14 | 2.385 | 0.000756 | 1901.02592,1901.03779,etc |
| real part | 40 | 17 | 2.375 | 0.000742 | 1901.04586,1901.05370,etc |
| boundary condition | 139 | 53 | 2.577 | 0.000729 | 1901.00021,1901.00218,etc |
| loop correction | 22 | 11 | 2.1 | 0.000675 | 1901.02155,1901.02953,etc |
| stress-energy tensor | 64 | 24 | 2.652 | 0.000654 | 1901.00937,1901.00938,etc |
| flat spacetime | 88 | 40 | 2.231 | 0.00065 | 1901.00021,1901.01167,etc |
| general solution | 69 | 34 | 2.061 | 0.000629 | 1901.00977,1901.01873,etc |
| energy scale | 22 | 11 | 2.1 | 0.000601 | 1901.01596,1901.01731,etc |
| particle physics | 74 | 24 | 3.174 | 0.000562 | 1901.01253,1901.03387,etc |
| tangent vector | 37 | 15 | 2.429 | 0.000557 | 1901.00021,1901.03533,etc |
| mass term | 73 | 22 | 3.286 | 0.000547 | 1901.01891,1901.02461,etc |
| differential equation | 104 | 48 | 2.17 | 0.000519 | 1901.00021,1901.00218,etc |
| physical quantity | 26 | 12 | 2.273 | 0.000514 | 1901.00937,1901.01087,etc |
| cosmological scale | 35 | 17 | 2.125 | 0.000496 | 1901.01873,1901.02784,etc |
| arbitrary function | 56 | 28 | 2.037 | 0.000489 | 1901.00805,1901.01167,etc |
| cosmic evolution | 23 | 11 | 2.2 | 0.00048 | 1901.01031,1901.01731,etc |
| inner product | 28 | 12 | 2.364 | 0.00045 | 1901.01891,1901.02553,etc |
| integration constant | 55 | 22 | 2.571 | 0.000396 | 1901.00937,1901.02965,etc |
| nonumber && | 40 | 18 | 2.176 | 0.000384 | 1901.00231,1901.01891,etc |
| such solution | 39 | 19 | 2.111 | 0.000376 | 1901.01279,1901.01873,etc |
| equilibrium configuration | 26 | 13 | 2.083 | 0.000359 | 1901.01265,1901.04302,etc |
| constraint equation | 24 | 12 | 2.091 | 0.000352 | 1901.04624,1901.04674,etc |