| black hole | 1237 | 133 | 9.364 | 0.006277 | 1901.00021,1901.00025,etc |
| 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 |
| neutron star | 298 | 54 | 5.604 | 0.004173 | 1901.00025,1901.00194,etc |
| Horndeski theory | 158 | 11 | 15.7 | 0.003715 | 1901.02202,1901.03972,etc |
| test particle | 132 | 18 | 7.706 | 0.00332 | 1901.00021,1901.01363,etc |
| black hole solution | 102 | 28 | 3.741 | 0.003291 | 1901.00231,1901.00977,etc |
| Hawking radiation | 55 | 13 | 4.417 | 0.003151 | 1901.00977,1901.01506,etc |
| spherical harmonics | 41 | 15 | 2.643 | 0.003088 | 1901.01167,1901.05902,etc |
| apparent horizon | 40 | 12 | 3.364 | 0.003012 | 1901.02553,1901.03055,etc |
| quasinormal mode | 65 | 13 | 3.833 | 0.002857 | 1901.01265,1901.02592,etc |
| critical point | 153 | 23 | 6.909 | 0.002805 | 1901.01176,1901.01897,etc |
| scalar field | 994 | 114 | 8.788 | 0.002675 | 1901.00167,1901.00194,etc |
| phase transition | 114 | 27 | 4.115 | 0.002511 | 1901.00167,1901.00218,etc |
| Higgs field | 48 | 14 | 3.538 | 0.002496 | 1901.00218,1901.02155,etc |
| extremal black hole | 72 | 14 | 5.154 | 0.002479 | 1901.00218,1901.02784,etc |
| time delay | 31 | 15 | 2.071 | 0.002456 | 1901.00938,1901.02227,etc |
| scalar perturbation | 80 | 20 | 4.158 | 0.002373 | 1901.00167,1901.01265,etc |
| effective field theory | 46 | 19 | 2.333 | 0.002339 | 1901.01265,1901.01731,etc |
| cosmological parameter | 49 | 17 | 2.312 | 0.002312 | 1901.00167,1901.03650,etc |
| orbital angular momentum | 34 | 15 | 2.357 | 0.002277 | 1901.00021,1901.02553,etc |
| power spectrum | 163 | 32 | 5.097 | 0.002264 | 1901.00167,1901.01087,etc |
| null geodesic | 93 | 16 | 6.133 | 0.002228 | 1901.01176,1901.02592,etc |
| dark energy | 240 | 55 | 4.185 | 0.002188 | 1901.00805,1901.01031,etc |
| quantum mechanic | 104 | 25 | 4.25 | 0.002164 | 1901.01873,1901.03755,etc |
| circular orbit | 95 | 18 | 5.529 | 0.00216 | 1901.01253,1901.01363,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 |
| vector field | 142 | 36 | 3.771 | 0.002085 | 1901.00194,1901.00388,etc |
| gravitational wave detector | 28 | 11 | 2.6 | 0.002079 | 1901.00021,1901.02227,etc |
| structure formation | 31 | 12 | 2.636 | 0.002041 | 1901.03972,1901.04460,etc |
| free energy | 33 | 11 | 3.2 | 0.002004 | 1901.01891,1901.02784,etc |
| phase space | 133 | 28 | 4.778 | 0.002001 | 1901.00388,1901.01202,etc |
| dark matter | 155 | 44 | 3.326 | 0.001981 | 1901.00805,1901.01031,etc |
| accretion disk | 40 | 13 | 3.25 | 0.001948 | 1901.00025,1901.01087,etc |
| gravitational field | 94 | 38 | 2.459 | 0.001942 | 1901.00025,1901.00805,etc |
| wave function | 78 | 23 | 3.5 | 0.001909 | 1901.01596,1901.01873,etc |
| tensor mode | 49 | 12 | 4.364 | 0.001901 | 1901.02892,1901.06423,etc |
| mass ratio | 109 | 22 | 5.143 | 0.001879 | 1901.00021,1901.00938,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 |
| initial state | 66 | 14 | 4.846 | 0.001788 | 1901.03933,1901.04180,etc |
| energy condition | 50 | 17 | 3.0 | 0.001776 | 1901.00231,1901.02965,etc |
| magnetic field | 66 | 25 | 2.583 | 0.001757 | 1901.00025,1901.01087,etc |
| curvature tensor | 42 | 12 | 3.727 | 0.001742 | 1901.00021,1901.01363,etc |
| perfect fluid | 94 | 39 | 2.447 | 0.001699 | 1901.00231,1901.00805,etc |
| black hole thermodynamic | 36 | 14 | 2.692 | 0.001693 | 1901.00977,1901.01506,etc |
| covariant derivative | 34 | 12 | 3.0 | 0.00169 | 1901.00805,1901.04306,etc |
| scale factor | 318 | 63 | 5.097 | 0.001682 | 1901.00388,1901.01265,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 |
| angular momentum | 220 | 65 | 3.422 | 0.001549 | 1901.00021,1901.00025,etc |
| hole solution | 65 | 21 | 3.05 | 0.001511 | 1901.00231,1901.00977,etc |
| naked singularity | 69 | 23 | 2.864 | 0.001496 | 1901.00218,1901.00231,etc |
| Sitter spacetime | 40 | 12 | 2.545 | 0.001487 | 1901.02730,1901.05171,etc |
| cosmic string | 44 | 11 | 4.3 | 0.001449 | 1901.00977,1901.01596,etc |
| energy density | 312 | 87 | 3.605 | 0.001437 | 1901.00167,1901.00231,etc |
| classical limit | 24 | 11 | 2.3 | 0.001391 | 1901.05171,1901.05766,etc |
| ground state | 79 | 18 | 4.176 | 0.001385 | 1901.01506,1901.02767,etc |
| event horizon | 145 | 51 | 2.88 | 0.00138 | 1901.00021,1901.01176,etc |
| Klein-Gordon equation | 65 | 22 | 2.81 | 0.001376 | 1901.01176,1901.01265,etc |
| field equation | 273 | 60 | 4.61 | 0.001364 | 1901.00937,1901.00938,etc |
| spectral index | 41 | 14 | 2.692 | 0.001354 | 1901.00167,1901.01897,etc |
| equatorial plane | 83 | 25 | 3.417 | 0.001334 | 1901.00025,1901.01087,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 |
| proper time | 118 | 22 | 5.286 | 0.001242 | 1901.00021,1901.00938,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 |
| gravitational wave | 318 | 99 | 3.235 | 0.001236 | 1901.00021,1901.00025,etc |
| Einstein' theory | 34 | 17 | 2.062 | 0.00122 | 1901.02326,1901.02965,etc |
| cosmic time | 61 | 25 | 2.5 | 0.001208 | 1901.00167,1901.02767,etc |
| cosmological constant problem | 35 | 13 | 2.667 | 0.001205 | 1901.01731,1901.05766,etc |
| Newtonian limit | 33 | 12 | 2.636 | 0.0012 | 1901.01087,1901.01253,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 |
| initial condition | 226 | 60 | 3.746 | 0.001155 | 1901.00167,1901.01087,etc |
| light ray | 33 | 11 | 3.1 | 0.001154 | 1901.01167,1901.02785,etc |
| general relativity | 278 | 98 | 2.835 | 0.001149 | 1901.00025,1901.00194,etc |
| electric charge | 61 | 21 | 2.95 | 0.001146 | 1901.01596,1901.02155,etc |
| Hawking temperature | 48 | 20 | 2.421 | 0.001127 | 1901.00218,1901.01506,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 |
| curvature perturbation | 33 | 13 | 2.667 | 0.00111 | 1901.01905,1901.04607,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 |
| standard deviation | 31 | 14 | 2.154 | 0.001097 | 1901.00869,1901.04307,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 |
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