| black hole | 1431 | 168 | 8.527 | 0.006328 | 1804.01081,1804.02650,etc |
| quantum mechanic | 137 | 33 | 4.125 | 0.003949 | 1804.01081,1804.10551,etc |
| boundary condition | 304 | 81 | 3.788 | 0.003886 | 1804.01081,1804.00942,etc |
| canonical transformation | 46 | 11 | 4.5 | 0.003829 | 1804.08456,1804.05282,etc |
| partition function | 74 | 13 | 5.833 | 0.003607 | 1804.01081,1804.00942,etc |
| black hole thermodynamic | 36 | 12 | 3.091 | 0.003546 | 1804.01081,1804.02650,etc |
| dark sector | 55 | 11 | 5.4 | 0.003449 | 1804.08558,1804.00458,etc |
| density contrast | 33 | 13 | 2.5 | 0.003443 | 1804.04320,1804.00083,etc |
| conformal symmetry | 44 | 14 | 3.077 | 0.003435 | 1804.03369,1804.10446,etc |
| cosmological perturbation | 37 | 14 | 2.769 | 0.003348 | 1804.09215,1804.07637,etc |
| magnetic field | 217 | 32 | 6.968 | 0.003343 | 1804.00458,1804.09573,etc |
| entanglement entropy | 114 | 17 | 7.0 | 0.00323 | 1804.00942,1804.10446,etc |
| apparent horizon | 74 | 12 | 6.0 | 0.003162 | 1804.01081,1804.04821,etc |
| distant observer | 37 | 11 | 3.3 | 0.003159 | 1804.07570,1804.06966,etc |
| Friedmann equation | 93 | 25 | 3.792 | 0.00312 | 1804.00466,1804.03656,etc |
| scalar field | 713 | 127 | 5.651 | 0.003092 | 1804.00012,1804.04320,etc |
| Sitter space | 80 | 14 | 6.077 | 0.003069 | 1804.09985,1804.05953,etc |
| Hawking temperature | 82 | 23 | 3.636 | 0.003006 | 1804.02650,1804.10551,etc |
| dimensional spacetime | 47 | 16 | 2.733 | 0.002947 | 1804.03369,1804.07521,etc |
| wave function | 147 | 26 | 5.84 | 0.002896 | 1804.01081,1804.00012,etc |
| light ray | 95 | 15 | 6.714 | 0.00288 | 1804.06944,1804.04898,etc |
| extra dimension | 77 | 16 | 4.8 | 0.002869 | 1804.00942,1804.09215,etc |
| phase transition | 130 | 33 | 4.031 | 0.002793 | 1804.10551,1804.00453,etc |
| dark energy | 353 | 75 | 4.716 | 0.002759 | 1804.08558,1804.09215,etc |
| critical point | 109 | 20 | 5.684 | 0.002732 | 1804.10287,1804.03369,etc |
| test particle | 115 | 29 | 3.786 | 0.002703 | 1804.09620,1804.10374,etc |
| structure formation | 55 | 23 | 2.455 | 0.002693 | 1804.04320,1804.00458,etc |
| Horndeski theory | 50 | 12 | 3.909 | 0.002685 | 1804.00535,1804.01731,etc |
| scale invariance | 51 | 13 | 4.167 | 0.00265 | 1804.03369,1804.09985,etc |
| mass ratio | 46 | 16 | 3.0 | 0.002537 | 1804.05921,1804.07866,etc |
| Hawking radiation | 101 | 21 | 5.0 | 0.002521 | 1804.01081,1804.10551,etc |
| first law | 116 | 21 | 3.85 | 0.00251 | 1804.02650,1804.10446,etc |
| density matrix | 85 | 11 | 8.1 | 0.002503 | 1804.00458,1804.07637,etc |
| background field | 51 | 14 | 3.769 | 0.002413 | 1804.00012,1804.09215,etc |
| neutron star | 191 | 48 | 4.043 | 0.002378 | 1804.03101,1804.00453,etc |
| causal structure | 28 | 12 | 2.364 | 0.002354 | 1804.11219,1804.10536,etc |
| loop quantum gravity | 59 | 17 | 3.5 | 0.002325 | 1804.09244,1804.08456,etc |
| diffeomorphism invariance | 32 | 11 | 3.1 | 0.002237 | 1804.00012,1804.11212,etc |
| curved space-time | 41 | 12 | 3.636 | 0.002114 | 1804.04434,1804.00608,etc |
| scalar mode | 30 | 11 | 2.9 | 0.002102 | 1804.08558,1804.05953,etc |
| electric field | 84 | 27 | 3.192 | 0.0021 | 1804.01081,1804.07570,etc |
| scale factor | 298 | 64 | 4.698 | 0.002097 | 1804.00942,1804.09215,etc |
| Higgs field | 53 | 11 | 4.4 | 0.002029 | 1804.03158,1804.10536,etc |
| power spectrum | 283 | 36 | 7.629 | 0.00198 | 1804.07637,1804.00083,etc |
| consistency condition | 62 | 12 | 5.545 | 0.001963 | 1804.03369,1804.10843,etc |
| inflaton field | 70 | 17 | 4.125 | 0.001953 | 1804.09171,1804.02699,etc |
| gravitational wave | 354 | 88 | 4.046 | 0.00195 | 1804.09215,1804.00458,etc |
| event horizon | 263 | 67 | 3.773 | 0.001949 | 1804.01081,1804.10287,etc |
| tensor perturbation | 59 | 15 | 4.143 | 0.001905 | 1804.09215,1804.07740,etc |
| nonumber && | 56 | 11 | 5.5 | 0.001902 | 1804.06298,1804.10620,etc |
| static solution | 50 | 14 | 3.769 | 0.001872 | 1804.09573,1804.02902,etc |
| curvature perturbation | 133 | 24 | 5.739 | 0.001814 | 1804.07637,1804.01481,etc |
| supermassive black hole | 27 | 13 | 2.167 | 0.001808 | 1804.10374,1804.08030,etc |
| central charge | 36 | 11 | 3.5 | 0.001807 | 1804.05602,1804.07570,etc |
| circular orbit | 43 | 15 | 2.714 | 0.001805 | 1804.09620,1804.07030,etc |
| black hole solution | 93 | 36 | 2.629 | 0.001782 | 1804.02650,1804.05602,etc |
| binary black hole | 38 | 15 | 2.071 | 0.001776 | 1804.07866,1804.09894,etc |
| integrability condition | 51 | 13 | 3.917 | 0.001757 | 1804.06181,1804.10287,etc |
| horizon geometry | 46 | 11 | 3.9 | 0.001747 | 1804.06985,1804.09614,etc |
| matter field | 144 | 53 | 2.75 | 0.001737 | 1804.01081,1804.09215,etc |
| Dirac equation | 54 | 14 | 4.0 | 0.001734 | 1804.02842,1804.04434,etc |
| plane wave | 43 | 19 | 2.167 | 0.001718 | 1804.02842,1804.10979,etc |
| quantum gravity | 227 | 73 | 3.083 | 0.001714 | 1804.01081,1804.00942,etc |
| cosmic string | 36 | 13 | 2.917 | 0.001693 | 1804.00453,1804.07570,etc |
| Cauchy surface | 35 | 13 | 2.833 | 0.001691 | 1804.00942,1804.05602,etc |
| field equation | 362 | 82 | 4.457 | 0.001673 | 1804.09620,1804.08558,etc |
| Green function | 62 | 13 | 4.833 | 0.001651 | 1804.02842,1804.04224,etc |
| Einstein gravity | 119 | 34 | 2.848 | 0.001628 | 1804.00942,1804.05921,etc |
| correlation function | 54 | 20 | 2.737 | 0.001627 | 1804.00012,1804.01481,etc |
| black hole horizon | 71 | 31 | 2.233 | 0.001609 | 1804.01081,1804.10551,etc |
| Euler-Lagrange equation | 59 | 18 | 3.412 | 0.001598 | 1804.09215,1804.04898,etc |
| dark matter | 311 | 69 | 4.559 | 0.001597 | 1804.08558,1804.09215,etc |
| angular momentum | 247 | 70 | 3.551 | 0.001591 | 1804.03101,1804.10551,etc |
| Green' function | 59 | 14 | 4.308 | 0.001589 | 1804.01481,1804.01394,etc |
| parameter estimation | 35 | 14 | 2.615 | 0.001587 | 1804.07866,1804.03704,etc |
| boson star | 40 | 11 | 2.6 | 0.001584 | 1804.10374,1804.03208,etc |
| momentum space | 56 | 15 | 2.5 | 0.001579 | 1804.01081,1804.02842,etc |
| black hole entropy | 33 | 14 | 2.231 | 0.001577 | 1804.00942,1804.10446,etc |
| Hamiltonian formalism | 39 | 12 | 3.364 | 0.001575 | 1804.06181,1804.03369,etc |
| symmetric solution | 48 | 20 | 2.474 | 0.00157 | 1804.05023,1804.10446,etc |
| massive particle | 78 | 21 | 3.85 | 0.001554 | 1804.10551,1804.10374,etc |
| compact object | 91 | 32 | 2.839 | 0.001527 | 1804.05023,1804.07570,etc |
| gravitational radiation | 58 | 18 | 3.235 | 0.001523 | 1804.03101,1804.11219,etc |
| Schwarzschild radius | 67 | 21 | 3.25 | 0.00151 | 1804.05921,1804.04434,etc |
| luminosity distance | 42 | 13 | 2.583 | 0.001498 | 1804.04320,1804.07866,etc |
| critical temperature | 32 | 13 | 2.333 | 0.001493 | 1804.02650,1804.05442,etc |
| total energy | 66 | 22 | 3.095 | 0.001477 | 1804.05921,1804.00466,etc |
| gauge field | 119 | 38 | 3.162 | 0.001476 | 1804.05442,1804.03158,etc |
| central density | 79 | 12 | 7.091 | 0.001459 | 1804.05921,1804.01779,etc |
| stability analysis | 36 | 11 | 3.5 | 0.001436 | 1804.09215,1804.07030,etc |
| scalar perturbation | 80 | 24 | 3.435 | 0.001431 | 1804.09215,1804.07740,etc |
| curved spacetime | 110 | 34 | 3.303 | 0.001423 | 1804.10551,1804.02842,etc |
| Killing vector | 91 | 28 | 3.222 | 0.001406 | 1804.10551,1804.10287,etc |
| Hubble parameter | 161 | 55 | 2.944 | 0.001387 | 1804.08558,1804.04320,etc |
| wave equation | 112 | 31 | 3.6 | 0.001382 | 1804.10287,1804.04224,etc |
| Lovelock gravity | 42 | 13 | 3.417 | 0.001359 | 1804.10446,1804.00249,etc |
| exact solution | 108 | 50 | 2.122 | 0.001351 | 1804.10551,1804.09215,etc |
| outer horizon | 35 | 15 | 2.429 | 0.001339 | 1804.01081,1804.10551,etc |
| Einstein equation | 198 | 82 | 2.432 | 0.001328 | 1804.06181,1804.10287,etc |
| field space | 44 | 14 | 2.692 | 0.001317 | 1804.00012,1804.07637,etc |