| Klein-Gordon equation | 45 | 17 | 2.688 | 0.004122 | 1506.04732,1506.02939,etc |
| entanglement entropy | 95 | 13 | 7.833 | 0.003871 | 1506.00725,1506.01623,etc |
| dominant energy condition | 46 | 13 | 3.75 | 0.003131 | 1506.06485,1506.08918,etc |
| dilaton field | 68 | 14 | 5.154 | 0.003129 | 1506.07262,1506.08585,etc |
| quadratic equation | 37 | 11 | 3.6 | 0.003099 | 1506.04742,1506.08652,etc |
| tensor-to-scalar ratio | 65 | 13 | 5.167 | 0.003065 | 1506.07306,1506.09172,etc |
| Sitter space | 82 | 25 | 3.375 | 0.002861 | 1506.05243,1506.04164,etc |
| massive gravity | 103 | 20 | 4.842 | 0.002808 | 1506.00725,1506.03578,etc |
| Einstein frame | 98 | 24 | 3.391 | 0.002744 | 1506.05689,1506.00186,etc |
| short distance | 32 | 11 | 3.0 | 0.002592 | 1506.01890,1506.00946,etc |
| analytical solution | 57 | 16 | 2.333 | 0.002578 | 1506.00622,1506.04667,etc |
| Lie group | 69 | 12 | 6.182 | 0.002447 | 1506.05128,1506.08571,etc |
| geodesic equation | 130 | 28 | 4.148 | 0.002445 | 1506.02145,1506.01591,etc |
| cosmological horizon | 52 | 14 | 3.769 | 0.002424 | 1506.07484,1506.05243,etc |
| extra dimension | 85 | 23 | 3.818 | 0.002403 | 1506.04795,1506.00622,etc |
| imaginary part | 72 | 22 | 2.095 | 0.002366 | 1506.06485,1506.03840,etc |
| area law | 34 | 12 | 2.727 | 0.002362 | 1506.03578,1506.01623,etc |
| symplectic structure | 112 | 12 | 10.091 | 0.002286 | 1506.00725,1506.04164,etc |
| Newtonian gravity | 40 | 13 | 3.167 | 0.00228 | 1506.04543,1506.01907,etc |
| gravitational field equation | 70 | 20 | 3.579 | 0.002134 | 1506.04667,1506.05949,etc |
| annihilation operator | 35 | 11 | 2.4 | 0.002077 | 1506.00725,1506.06909,etc |
| Gauss-Bonnet term | 78 | 12 | 5.091 | 0.002069 | 1506.04667,1506.05526,etc |
| Sitter spacetime | 74 | 12 | 6.091 | 0.002052 | 1506.00725,1506.06050,etc |
| Starobinsky model | 59 | 12 | 2.545 | 0.002003 | 1506.05330,1506.07096,etc |
| black hole solution | 93 | 28 | 3.407 | 0.001999 | 1506.02145,1506.03578,etc |
| vacuum fluctuation | 32 | 12 | 2.818 | 0.001971 | 1506.05243,1506.07306,etc |
| massive scalar field | 40 | 18 | 2.294 | 0.001943 | 1506.07374,1506.05792,etc |
| electric field | 56 | 21 | 2.75 | 0.001926 | 1506.02145,1506.02481,etc |
| background field | 48 | 14 | 3.154 | 0.001904 | 1506.04732,1506.03809,etc |
| quantum mechanic | 112 | 34 | 3.364 | 0.001898 | 1506.05243,1506.08585,etc |
| quantum correction | 65 | 25 | 2.667 | 0.001896 | 1506.07484,1506.04732,etc |
| Hamiltonian constraint | 78 | 18 | 4.471 | 0.001884 | 1506.00725,1506.04056,etc |
| null energy condition | 51 | 19 | 2.778 | 0.001838 | 1506.01591,1506.05792,etc |
| metric function | 129 | 41 | 3.2 | 0.001826 | 1506.04685,1506.00725,etc |
| slow-roll parameter | 61 | 17 | 3.75 | 0.001803 | 1506.04732,1506.09172,etc |
| standard cosmology | 37 | 14 | 2.615 | 0.001739 | 1506.04685,1506.02187,etc |
| boundary condition | 262 | 71 | 3.714 | 0.001705 | 1506.00725,1506.04732,etc |
| finite time | 44 | 13 | 3.5 | 0.00169 | 1506.04795,1506.04667,etc |
| parameter estimation | 41 | 12 | 3.636 | 0.001683 | 1506.01354,1506.00560,etc |
| Einstein' equation | 105 | 42 | 2.488 | 0.001591 | 1506.04667,1506.09172,etc |
| mass parameter | 56 | 21 | 2.75 | 0.00157 | 1506.05243,1506.03375,etc |
| diffeomorphism invariance | 62 | 12 | 5.0 | 0.001564 | 1506.04543,1506.03512,etc |
| first law | 91 | 24 | 3.913 | 0.001551 | 1506.03578,1506.06485,etc |
| Killing vector field | 38 | 16 | 2.2 | 0.001537 | 1506.08070,1506.05182,etc |
| Killing horizon | 43 | 11 | 4.2 | 0.001532 | 1506.05792,1506.07809,etc |
| extremal black hole | 61 | 16 | 4.0 | 0.001489 | 1506.04382,1506.02805,etc |
| static solution | 47 | 13 | 2.25 | 0.001461 | 1506.04685,1506.00725,etc |
| initial datum | 160 | 32 | 5.0 | 0.001454 | 1506.00725,1506.01591,etc |
| continuum limit | 65 | 15 | 4.571 | 0.001443 | 1506.04795,1506.03840,etc |
| exact solution | 173 | 62 | 2.803 | 0.001436 | 1506.04685,1506.00725,etc |
| dynamical system | 61 | 22 | 2.714 | 0.00142 | 1506.03375,1506.00186,etc |
| state parameter | 81 | 22 | 3.81 | 0.001403 | 1506.04685,1506.06770,etc |
| interaction term | 52 | 20 | 2.684 | 0.001373 | 1506.03840,1506.08794,etc |
| quadratic form | 22 | 11 | 2.1 | 0.001324 | 1506.05689,1506.00714,etc |
| horizon area | 42 | 13 | 3.417 | 0.001312 | 1506.06772,1506.01890,etc |
| energy-momentum tensor | 223 | 74 | 2.945 | 0.001291 | 1506.08859,1506.08585,etc |
| exterior region | 27 | 11 | 2.6 | 0.001237 | 1506.08203,1506.04128,etc |
| cosmological evolution | 49 | 17 | 3.0 | 0.00123 | 1506.06770,1506.01676,etc |
| delta function | 38 | 14 | 2.846 | 0.001215 | 1506.04795,1506.05243,etc |
| real part | 41 | 20 | 2.053 | 0.001212 | 1506.04056,1506.07374,etc |
| effective equation | 59 | 17 | 3.5 | 0.001206 | 1506.06772,1506.01890,etc |
| effective field theory | 65 | 23 | 2.909 | 0.001205 | 1506.05056,1506.03578,etc |
| gravity model | 69 | 26 | 2.72 | 0.001201 | 1506.08859,1506.04977,etc |
| Einstein gravity | 148 | 40 | 3.462 | 0.001158 | 1506.08575,1506.00725,etc |
| second fundamental form | 36 | 12 | 2.727 | 0.001151 | 1506.02388,1506.02723,etc |
| differential equation | 159 | 77 | 2.066 | 0.00114 | 1506.08575,1506.04685,etc |
| spherical symmetry | 95 | 42 | 2.293 | 0.001139 | 1506.02145,1506.00725,etc |
| stress-energy tensor | 78 | 35 | 2.176 | 0.001134 | 1506.00725,1506.06485,etc |
| Advanced LIGO | 33 | 13 | 2.667 | 0.001105 | 1506.05056,1506.00560,etc |
| tensor field | 67 | 18 | 3.765 | 0.001099 | 1506.03809,1506.06452,etc |
| outer horizon | 35 | 13 | 2.833 | 0.001096 | 1506.06588,1506.08094,etc |
| spacetime dimension | 60 | 24 | 2.565 | 0.001094 | 1506.00725,1506.03578,etc |
| kinetic term | 125 | 52 | 2.314 | 0.001077 | 1506.08575,1506.04732,etc |
| Jordan frame | 55 | 17 | 2.75 | 0.001006 | 1506.05689,1506.00186,etc |
| Dirac equation | 49 | 15 | 3.429 | 0.000994 | 1506.05243,1506.02939,etc |
| asymptotic expansion | 61 | 23 | 2.682 | 0.000984 | 1506.07374,1506.01623,etc |
| symmetric spacetime | 98 | 31 | 3.233 | 0.000979 | 1506.04685,1506.06358,etc |
| Appendix B | 25 | 12 | 2.182 | 0.000963 | 1506.06485,1506.06452,etc |
| linear perturbation | 33 | 13 | 2.667 | 0.000957 | 1506.05128,1506.00186,etc |
| central charge | 31 | 12 | 2.727 | 0.000956 | 1506.05336,1506.05949,etc |
| Planck datum | 25 | 11 | 2.4 | 0.000955 | 1506.09172,1506.08918,etc |
| cosmological constant problem | 24 | 11 | 2.2 | 0.000946 | 1506.04795,1506.02666,etc |
| gravity theory | 144 | 47 | 3.109 | 0.000946 | 1506.02145,1506.03578,etc |
| mode function | 76 | 16 | 4.667 | 0.000929 | 1506.00725,1506.01011,etc |
| causal structure | 50 | 17 | 3.062 | 0.000926 | 1506.05689,1506.00988,etc |
| matter field | 181 | 75 | 2.351 | 0.000925 | 1506.07484,1506.02145,etc |
| matrix element | 37 | 14 | 2.769 | 0.000914 | 1506.04795,1506.07484,etc |
| central density | 33 | 14 | 2.308 | 0.000904 | 1506.08585,1506.04056,etc |
| cosmological constant term | 22 | 11 | 2.1 | 0.000904 | 1506.02260,1506.07795,etc |
| quantum number | 38 | 14 | 2.615 | 0.000893 | 1506.00927,1506.04008,etc |
| black hole mass | 25 | 12 | 2.091 | 0.000887 | 1506.03578,1506.08015,etc |
| analytic solution | 41 | 20 | 2.105 | 0.000881 | 1506.04667,1506.07374,etc |
| Sitter solution | 42 | 16 | 2.667 | 0.000877 | 1506.04667,1506.04977,etc |
| Lie algebra | 70 | 19 | 3.833 | 0.000875 | 1506.05128,1506.04164,etc |
| alternative theory | 33 | 14 | 2.385 | 0.000874 | 1506.04685,1506.02481,etc |
| inner product | 68 | 12 | 6.0 | 0.000868 | 1506.08457,1506.00560,etc |
| quantum theory | 112 | 45 | 2.477 | 0.000853 | 1506.07484,1506.00725,etc |
| linear equation | 37 | 17 | 2.25 | 0.00085 | 1506.08575,1506.04685,etc |
| correction term | 27 | 12 | 2.273 | 0.000836 | 1506.05689,1506.04543,etc |
| inflaton field | 55 | 20 | 2.842 | 0.000829 | 1506.07484,1506.04732,etc |
|