| scalar spectral index | 78 | 13 | 6.417 | 0.004037 | 1912.03882,1912.06655,etc |
| Einstein frame | 164 | 25 | 6.792 | 0.004012 | 1912.00378,1912.00792,etc |
| slow-roll inflation | 56 | 14 | 4.231 | 0.003461 | 1912.00090,1912.00616,etc |
| density contrast | 73 | 15 | 4.5 | 0.003132 | 1912.00677,1912.05583,etc |
| Jordan frame | 84 | 15 | 5.929 | 0.002979 | 1912.01654,1912.02845,etc |
| massive scalar field | 54 | 17 | 2.875 | 0.002916 | 1912.00946,1912.01654,etc |
| mode function | 132 | 13 | 10.917 | 0.002496 | 1912.05145,1912.06839,etc |
| physical state | 91 | 13 | 7.5 | 0.002484 | 1912.02556,1912.02922,etc |
| entanglement entropy | 182 | 19 | 7.667 | 0.002452 | 1912.01016,1912.08607,etc |
| matter Lagrangian | 32 | 15 | 2.214 | 0.002448 | 1912.00601,1912.01768,etc |
| quasinormal mode | 72 | 13 | 5.75 | 0.002366 | 1912.05202,1912.05315,etc |
| state parameter | 55 | 15 | 3.857 | 0.00226 | 1912.02327,1912.03897,etc |
| continuum limit | 54 | 11 | 4.2 | 0.002254 | 1912.02922,1912.05314,etc |
| tensor-to-scalar ratio | 94 | 23 | 3.955 | 0.002153 | 1912.00090,1912.00475,etc |
| massive particle | 54 | 17 | 3.25 | 0.002087 | 1912.00946,1912.03974,etc |
| Sitter space | 37 | 15 | 2.571 | 0.002075 | 1912.00090,1912.00800,etc |
| primordial power spectrum | 46 | 14 | 3.308 | 0.002029 | 1912.00475,1912.05145,etc |
| hole spacetime | 27 | 12 | 2.364 | 0.002009 | 1912.05194,1912.06047,etc |
| Horndeski theory | 102 | 19 | 5.611 | 0.001937 | 1912.00378,1912.00475,etc |
| spatial slice | 42 | 13 | 3.417 | 0.001889 | 1912.00090,1912.02922,etc |
| electromagnetic counterpart | 39 | 11 | 3.6 | 0.001836 | 1912.09340,1912.11667,etc |
| coherent state | 76 | 13 | 5.833 | 0.001795 | 1912.04490,1912.06143,etc |
| Killing horizon | 47 | 11 | 4.5 | 0.001753 | 1912.00774,1912.04636,etc |
| Maxwell field | 47 | 15 | 3.286 | 0.001753 | 1912.02192,1912.03897,etc |
| real part | 59 | 22 | 2.381 | 0.001749 | 1912.01869,1912.02192,etc |
| nonumber && | 77 | 21 | 3.8 | 0.001745 | 1912.01019,1912.01304,etc |
| finite distance | 36 | 11 | 3.2 | 0.00174 | 1912.00946,1912.05154,etc |
| Schwarzschild spacetime | 50 | 20 | 2.579 | 0.001683 | 1912.00774,1912.01301,etc |
| black hole solution | 75 | 27 | 2.808 | 0.001572 | 1912.00378,1912.00946,etc |
| quantum theory | 126 | 33 | 3.906 | 0.001571 | 1912.00774,1912.02922,etc |
| finite temperature | 65 | 13 | 3.0 | 0.001564 | 1912.04656,1912.05202,etc |
| Killing vector field | 79 | 22 | 3.714 | 0.001547 | 1912.02498,1912.03701,etc |
| path integral | 120 | 21 | 4.1 | 0.001524 | 1912.05154,1912.05194,etc |
| first law | 126 | 19 | 4.556 | 0.001465 | 1912.00767,1912.01016,etc |
| central singularity | 30 | 12 | 2.636 | 0.001464 | 1912.00774,1912.02845,etc |
| field space | 55 | 18 | 3.059 | 0.001462 | 1912.00090,1912.00792,etc |
| initial datum | 135 | 29 | 4.786 | 0.001457 | 1912.00616,1912.00677,etc |
| slow-roll parameter | 92 | 22 | 4.238 | 0.001442 | 1912.00090,1912.00378,etc |
| integration constant | 87 | 25 | 3.5 | 0.001442 | 1912.00774,1912.00946,etc |
| boson star | 35 | 11 | 3.1 | 0.001407 | 1912.01920,1912.02498,etc |
| inflaton field | 79 | 27 | 2.962 | 0.001399 | 1912.00090,1912.00616,etc |
| momentum constraint | 30 | 11 | 2.4 | 0.001368 | 1912.01301,1912.01768,etc |
| effective action | 128 | 25 | 5.25 | 0.001341 | 1912.00792,1912.00800,etc |
| exact solution | 166 | 64 | 2.619 | 0.00133 | 1912.00090,1912.00357,etc |
| spatial curvature | 46 | 16 | 3.0 | 0.001293 | 1912.00090,1912.00378,etc |
| quantum mechanic | 114 | 35 | 3.176 | 0.001293 | 1912.00900,1912.04932,etc |
| matrix element | 32 | 15 | 2.214 | 0.001293 | 1912.06143,1912.11348,etc |
| curved spacetime | 92 | 33 | 2.844 | 0.001278 | 1912.01740,1912.01869,etc |
| Hamiltonian constraint | 104 | 25 | 3.917 | 0.001275 | 1912.00090,1912.00677,etc |
| kinetic term | 119 | 47 | 2.565 | 0.00126 | 1912.00090,1912.00378,etc |
| Planck scale | 93 | 25 | 3.792 | 0.001242 | 1912.00090,1912.00774,etc |
| boundary condition | 367 | 89 | 3.898 | 0.001216 | 1912.00325,1912.00677,etc |
| quantum dynamic | 38 | 15 | 2.5 | 0.001204 | 1912.03770,1912.04985,etc |
| conformal symmetry | 61 | 15 | 4.286 | 0.001192 | 1912.06206,1912.00078,etc |
| source term | 72 | 27 | 2.731 | 0.001172 | 1912.00325,1912.00677,etc |
| posterior distribution | 51 | 15 | 3.5 | 0.001159 | 1912.04455,1912.08062,etc |
| imaginary part | 75 | 28 | 2.704 | 0.00115 | 1912.01869,1912.02192,etc |
| curvature term | 41 | 13 | 3.333 | 0.001146 | 1912.02845,1912.04213,etc |
| Newtonian gravity | 32 | 14 | 2.308 | 0.001135 | 1912.00900,1912.03499,etc |
| curvature invariant | 33 | 13 | 2.667 | 0.00113 | 1912.00774,1912.02459,etc |
| null energy condition | 36 | 16 | 2.267 | 0.00113 | 1912.05138,1912.05202,etc |
| dynamical system | 36 | 16 | 2.267 | 0.001127 | 1912.00090,1912.00378,etc |
| two-point function | 36 | 14 | 2.615 | 0.001123 | 1912.06047,1912.07502,etc |
| conformal factor | 87 | 17 | 4.312 | 0.001107 | 1912.00677,1912.01016,etc |
| auxiliary field | 33 | 12 | 2.727 | 0.001092 | 1912.00378,1912.01019,etc |
| Sitter spacetime | 54 | 18 | 3.118 | 0.001085 | 1912.00378,1912.01744,etc |
| traceless part | 25 | 11 | 2.4 | 0.001084 | 1912.01016,1912.04213,etc |
| Schwarzschild solution | 75 | 22 | 3.524 | 0.00108 | 1912.00774,1912.01301,etc |
| boundary theory | 30 | 11 | 2.6 | 0.001073 | 1912.00024,1912.00861,etc |
| Schwarzschild case | 26 | 11 | 2.4 | 0.001067 | 1912.01869,1912.03499,etc |
| effective dynamic | 53 | 11 | 5.2 | 0.001061 | 1912.00774,1912.02459,etc |
| gravitational wave observation | 22 | 11 | 2.1 | 0.001058 | 1912.00378,1912.00601,etc |
| light ray | 50 | 13 | 4.083 | 0.00105 | 1912.00325,1912.01016,etc |
| Lie algebra | 75 | 19 | 4.111 | 0.001021 | 1912.02832,1912.02922,etc |
| irreducible representation | 41 | 11 | 2.9 | 0.00102 | 1912.02922,1912.04752,etc |
| Lagrange multiplier | 72 | 21 | 3.5 | 0.001016 | 1912.00378,1912.00774,etc |
| Schwarzschild BH | 34 | 13 | 2.75 | 0.001016 | 1912.00470,1912.01744,etc |
| Schr"odinger equation | 37 | 13 | 2.667 | 0.000987 | 1912.01971,1912.04490,etc |
| spatial infinity | 109 | 28 | 4.0 | 0.000985 | 1912.00378,1912.00470,etc |
| Green' function | 46 | 14 | 3.308 | 0.000974 | 1912.00325,1912.05419,etc |
| symmetric solution | 62 | 24 | 2.565 | 0.000961 | 1912.00090,1912.00774,etc |
| conservation equation | 35 | 15 | 2.429 | 0.000958 | 1912.00601,1912.01723,etc |
| mass term | 39 | 18 | 2.235 | 0.000957 | 1912.02845,1912.05598,etc |
| central value | 33 | 15 | 2.214 | 0.000947 | 1912.00677,1912.02498,etc |
| cosmological background | 32 | 11 | 3.1 | 0.00091 | 1912.00677,1912.02459,etc |
| step function | 23 | 11 | 2.2 | 0.000903 | 1912.03089,1912.03164,etc |
| background evolution | 27 | 13 | 2.167 | 0.000896 | 1912.00616,1912.00677,etc |
| unit mass | 27 | 13 | 2.167 | 0.000876 | 1912.05194,1912.06020,etc |
| parameter estimation | 28 | 12 | 2.455 | 0.000869 | 1912.04455,1912.07058,etc |
| multipole moment | 46 | 16 | 2.933 | 0.000854 | 1912.01301,1912.01920,etc |
| tensor field | 77 | 20 | 4.0 | 0.000846 | 1912.03089,1912.04213,etc |
| metric function | 96 | 42 | 2.317 | 0.000827 | 1912.00357,1912.00767,etc |
| matter-radiation equality | 40 | 12 | 3.545 | 0.000805 | 1912.00792,1912.08712,etc |
| spherical symmetry | 151 | 57 | 2.679 | 0.000804 | 1912.00325,1912.00357,etc |
| differential equation | 145 | 66 | 2.215 | 0.000801 | 1912.00475,1912.00792,etc |
| energy scale | 102 | 36 | 2.886 | 0.000793 | 1912.00090,1912.00378,etc |
| exterior region | 37 | 14 | 2.769 | 0.000793 | 1912.00774,1912.01971,etc |
| general framework | 36 | 16 | 2.267 | 0.000779 | 1912.01744,1912.06584,etc |
| effective theory | 63 | 26 | 2.48 | 0.00076 | 1912.00800,1912.02459,etc |
| present time | 58 | 27 | 2.192 | 0.000742 | 1912.01723,1912.03882,etc |