| null energy condition | 56 | 14 | 4.231 | 0.006215 | 1612.05077,1612.09077,etc |
| cosmological horizon | 87 | 13 | 6.833 | 0.004447 | 1612.09511,1612.02002,etc |
| black hole horizon | 59 | 22 | 2.762 | 0.004234 | 1612.08640,1612.01272,etc |
| extra dimension | 82 | 19 | 4.444 | 0.003765 | 1612.04283,1612.05077,etc |
| linear perturbation | 64 | 24 | 2.652 | 0.003535 | 1612.00760,1612.00470,etc |
| Raychaudhuri equation | 44 | 11 | 4.0 | 0.003323 | 1612.01272,1612.04554,etc |
| present value | 38 | 11 | 3.7 | 0.002753 | 1612.04239,1612.05578,etc |
| momentum space | 86 | 26 | 3.32 | 0.002592 | 1612.05886,1612.01269,etc |
| spatial curvature | 103 | 20 | 5.053 | 0.002571 | 1612.04077,1612.00346,etc |
| gravitational field equation | 34 | 11 | 2.1 | 0.002476 | 1612.06207,1612.02042,etc |
| entanglement entropy | 110 | 16 | 5.067 | 0.002341 | 1612.00433,1612.08954,etc |
| Sitter spacetime | 42 | 14 | 3.077 | 0.002323 | 1612.00760,1612.04489,etc |
| scalar spectral index | 37 | 13 | 3.0 | 0.002235 | 1612.09581,1612.08334,etc |
| Einstein frame | 73 | 18 | 4.235 | 0.002152 | 1612.00346,1612.06207,etc |
| light ray | 59 | 17 | 3.5 | 0.002147 | 1612.04095,1612.08980,etc |
| energy-momentum tensor | 145 | 61 | 2.4 | 0.002137 | 1612.00760,1612.01347,etc |
| Sitter space | 70 | 20 | 3.632 | 0.002088 | 1612.05701,1612.08954,etc |
| initial datum | 375 | 34 | 11.333 | 0.002042 | 1612.00346,1612.09511,etc |
| Jordan frame | 43 | 11 | 4.2 | 0.002036 | 1612.02002,1612.03050,etc |
| boundary condition | 258 | 66 | 3.754 | 0.001983 | 1612.00760,1612.01347,etc |
| contracting phase | 40 | 11 | 3.9 | 0.001949 | 1612.00346,1612.09077,etc |
| electric field | 58 | 17 | 3.562 | 0.001867 | 1612.05077,1612.00281,etc |
| nonumber && | 83 | 22 | 3.619 | 0.001867 | 1612.05077,1612.03747,etc |
| massive gravity | 38 | 13 | 2.75 | 0.001855 | 1612.02002,1612.08953,etc |
| inflaton field | 104 | 26 | 3.92 | 0.001849 | 1612.05701,1612.00346,etc |
| matter field | 190 | 67 | 2.697 | 0.001804 | 1612.00760,1612.00409,etc |
| first law | 122 | 22 | 4.619 | 0.00176 | 1612.00721,1612.06931,etc |
| Cauchy surface | 42 | 14 | 3.0 | 0.001746 | 1612.08640,1612.06536,etc |
| radial pressure | 38 | 12 | 3.364 | 0.001739 | 1612.05417,1612.08525,etc |
| slow-roll parameter | 44 | 13 | 3.583 | 0.001651 | 1612.05701,1612.00760,etc |
| coherent state | 42 | 13 | 3.333 | 0.001638 | 1612.00760,1612.05886,etc |
| tensor-to-scalar ratio | 97 | 20 | 4.632 | 0.001605 | 1612.09581,1612.08334,etc |
| analytical solution | 61 | 21 | 2.85 | 0.001579 | 1612.09513,1612.00345,etc |
| toy model | 42 | 20 | 2.158 | 0.001568 | 1612.01853,1612.09135,etc |
| Schwarzschild spacetime | 44 | 14 | 2.846 | 0.001561 | 1612.04489,1612.01566,etc |
| cosmological solution | 47 | 18 | 2.529 | 0.001557 | 1612.00409,1612.09077,etc |
| exact solution | 149 | 52 | 2.902 | 0.001542 | 1612.05417,1612.04239,etc |
| quantum correction | 97 | 31 | 2.967 | 0.001528 | 1612.04239,1612.01272,etc |
| signal-to-noise ratio | 30 | 13 | 2.417 | 0.001489 | 1612.00345,1612.06429,etc |
| effective mass | 40 | 11 | 3.9 | 0.001477 | 1612.00760,1612.09077,etc |
| item For | 30 | 14 | 2.231 | 0.001477 | 1612.00470,1612.04489,etc |
| conformal symmetry | 26 | 12 | 2.273 | 0.001475 | 1612.00721,1612.09135,etc |
| geodesic equation | 88 | 29 | 3.107 | 0.001383 | 1612.06931,1612.00433,etc |
| differential equation | 149 | 67 | 2.227 | 0.00135 | 1612.01347,1612.04077,etc |
| quantum theory | 154 | 51 | 3.02 | 0.001347 | 1612.05886,1612.04239,etc |
| black hole solution | 47 | 23 | 2.091 | 0.001344 | 1612.00721,1612.06536,etc |
| conformal factor | 71 | 23 | 3.0 | 0.001322 | 1612.00721,1612.09511,etc |
| primordial curvature perturbation | 28 | 12 | 2.455 | 0.00123 | 1612.04124,1612.06689,etc |
| effective action | 107 | 26 | 3.72 | 0.001229 | 1612.04283,1612.08980,etc |
| massive particle | 54 | 15 | 2.357 | 0.001211 | 1612.04095,1612.04235,etc |
| second law | 35 | 11 | 3.4 | 0.001205 | 1612.01921,1612.01272,etc |
| analytic solution | 35 | 13 | 2.833 | 0.001199 | 1612.09077,1612.09513,etc |
| commutation relation | 66 | 24 | 2.391 | 0.001194 | 1612.05701,1612.00760,etc |
| curvature invariant | 47 | 15 | 3.0 | 0.001189 | 1612.00433,1612.05860,etc |
| Lorentzian manifold | 25 | 12 | 2.182 | 0.001187 | 1612.08569,1612.04489,etc |
| Advanced LIGO | 42 | 16 | 2.733 | 0.001186 | 1612.01524,1612.04095,etc |
| state parameter | 39 | 15 | 2.714 | 0.001176 | 1612.06378,1612.05077,etc |
| boundary term | 110 | 28 | 4.037 | 0.001171 | 1612.01462,1612.00433,etc |
| linear equation | 38 | 14 | 2.846 | 0.001169 | 1612.05417,1612.05480,etc |
| Lorentzian signature | 28 | 14 | 2.077 | 0.001162 | 1612.09511,1612.00433,etc |
| mass parameter | 36 | 15 | 2.5 | 0.001105 | 1612.06931,1612.08954,etc |
| two-point function | 55 | 20 | 2.526 | 0.001099 | 1612.05701,1612.00760,etc |
| matter source | 34 | 16 | 2.2 | 0.00104 | 1612.09511,1612.06207,etc |
| quantum gravity effect | 39 | 14 | 2.923 | 0.001038 | 1612.06765,1612.06679,etc |
| mode function | 43 | 17 | 2.625 | 0.001035 | 1612.00760,1612.00346,etc |
| stress-energy tensor | 87 | 33 | 2.531 | 0.001033 | 1612.06378,1612.05077,etc |
| matter sector | 51 | 19 | 2.333 | 0.001008 | 1612.08495,1612.07390,etc |
| field theory | 107 | 48 | 2.255 | 0.001001 | 1612.05886,1612.01347,etc |
| surface term | 42 | 14 | 3.154 | 0.000999 | 1612.01462,1612.09279,etc |
| Planck scale | 121 | 43 | 2.857 | 0.000988 | 1612.08495,1612.08640,etc |
| quantum mechanic | 102 | 34 | 3.061 | 0.000977 | 1612.00760,1612.08640,etc |
| dynamical system | 43 | 17 | 2.5 | 0.000974 | 1612.01272,1612.02504,etc |
| horizon radius | 36 | 14 | 2.615 | 0.000962 | 1612.00721,1612.05982,etc |
| scalar-tensor theory | 80 | 27 | 2.885 | 0.000944 | 1612.00978,1612.04239,etc |
| static solution | 25 | 11 | 2.3 | 0.000936 | 1612.01462,1612.00470,etc |
| derivative term | 51 | 22 | 2.381 | 0.000922 | 1612.04624,1612.00470,etc |
| radial equation | 28 | 12 | 2.455 | 0.000917 | 1612.02504,1612.03172,etc |
| curved spacetime | 80 | 28 | 2.852 | 0.000915 | 1612.01347,1612.04077,etc |
| Einstein gravity | 67 | 30 | 2.241 | 0.000899 | 1612.06378,1612.05077,etc |
| cosmological perturbation | 64 | 20 | 3.316 | 0.000897 | 1612.00760,1612.00674,etc |
| flat spacetime | 95 | 36 | 2.686 | 0.000865 | 1612.08495,1612.07390,etc |
| finite time | 41 | 15 | 2.857 | 0.000858 | 1612.00760,1612.05077,etc |
| initial time | 35 | 16 | 2.267 | 0.00083 | 1612.05701,1612.00760,etc |
| right-hand side | 140 | 41 | 3.475 | 0.000822 | 1612.07383,1612.01347,etc |
| Planck datum | 34 | 13 | 2.667 | 0.000817 | 1612.05701,1612.09581,etc |
| constraint equation | 86 | 24 | 3.565 | 0.000816 | 1612.09077,1612.06931,etc |
| building block | 45 | 13 | 3.667 | 0.000815 | 1612.01269,1612.06536,etc |
| anisotropic stress | 25 | 11 | 2.4 | 0.000804 | 1612.05701,1612.02002,etc |
| evolution equation | 130 | 39 | 3.395 | 0.000796 | 1612.06378,1612.00346,etc |
| point function | 46 | 11 | 3.5 | 0.000792 | 1612.05701,1612.04624,etc |
| inner product | 48 | 20 | 2.421 | 0.000785 | 1612.05224,1612.04489,etc |
| numerical relativity | 23 | 11 | 2.2 | 0.000776 | 1612.04184,1612.06429,etc |
| present time | 46 | 20 | 2.211 | 0.000773 | 1612.00760,1612.00433,etc |
| continuum limit | 49 | 16 | 2.667 | 0.000749 | 1612.06536,1612.07192,etc |
| interaction term | 65 | 27 | 2.385 | 0.000748 | 1612.01347,1612.08953,etc |
| diffeomorphism invariance | 35 | 12 | 2.273 | 0.000729 | 1612.05701,1612.04489,etc |
| momentum constraint | 31 | 13 | 2.083 | 0.000722 | 1612.06536,1612.09077,etc |
| second fundamental form | 30 | 14 | 2.154 | 0.000714 | 1612.01462,1612.09215,etc |
| correction term | 34 | 13 | 2.75 | 0.000713 | 1612.04077,1612.02504,etc |
| path integral | 71 | 22 | 3.286 | 0.000712 | 1612.08980,1612.08953,etc |