| black hole | 18555 | 1973 | 9.874 | 0.005435 | 1801.08631,1801.10537,etc |
| scalar field | 11229 | 1729 | 7.263 | 0.003336 | 1801.02063,1801.08631,etc |
| general relativity | 5007 | 1553 | 2.942 | 0.001699 | 1801.08631,1801.00676,etc |
| energy density | 4229 | 1241 | 3.063 | 0.001642 | 1801.02063,1801.08434,etc |
| gravitational wave | 4540 | 1188 | 4.283 | 0.002254 | 1801.00650,1801.00307,etc |
| field equation | 4452 | 1095 | 4.253 | 0.001639 | 1801.02063,1801.01987,etc |
| Einstein equation | 2520 | 961 | 2.421 | 0.001414 | 1801.08631,1801.10548,etc |
| initial condition | 3103 | 958 | 2.725 | 0.001461 | 1801.02063,1801.05688,etc |
| scale factor | 3360 | 938 | 3.461 | 0.001739 | 1801.05688,1801.08631,etc |
| boundary condition | 3588 | 906 | 4.172 | 0.001891 | 1801.08579,1801.05664,etc |
| angular momentum | 3216 | 902 | 3.69 | 0.00172 | 1801.08631,1801.05780,etc |
| quantum gravity | 2635 | 847 | 3.317 | 0.001659 | 1801.08631,1801.04930,etc |
| gravitational field | 2396 | 818 | 2.164 | 0.001306 | 1801.00676,1801.06149,etc |
| dark energy | 3463 | 813 | 3.367 | 0.002832 | 1801.02063,1801.02176,etc |
| event horizon | 3168 | 800 | 4.785 | 0.002093 | 1801.01987,1801.06149,etc |
| energy-momentum tensor | 2322 | 776 | 2.603 | 0.001541 | 1801.02063,1801.05664,etc |
| differential equation | 1571 | 771 | 2.338 | 0.000653 | 1801.02063,1801.05664,etc |
| General Relativity | 1653 | 756 | 2.123 | 0.000983 | 1801.02063,1801.08579,etc |
| matter field | 1929 | 713 | 2.463 | 0.001265 | 1801.08631,1801.10537,etc |
| dark matter | 2904 | 704 | 5.176 | 0.002266 | 1801.02176,1801.10548,etc |
| vector field | 2274 | 656 | 2.967 | 0.001496 | 1801.08434,1801.00650,etc |
| quantum field theory | 1321 | 644 | 2.213 | 0.000965 | 1801.08631,1801.02176,etc |
| Hubble parameter | 1812 | 635 | 2.378 | 0.001527 | 1801.10548,1801.07885,etc |
| exact solution | 1140 | 585 | 2.231 | 0.000897 | 1801.04930,1801.07989,etc |
| neutron star | 2678 | 577 | 5.897 | 0.002465 | 1801.08136,1801.06149,etc |
| general solution | 1141 | 562 | 3.378 | 0.000718 | 1801.10537,1801.10548,etc |
| right-hand side | 1356 | 562 | 2.571 | 0.000686 | 1801.02063,1801.10537,etc |
| Ricci tensor | 1091 | 545 | 2.235 | 0.000845 | 1801.00307,1801.01993,etc |
| quantum theory | 1357 | 534 | 3.021 | 0.000998 | 1801.08631,1801.02559,etc |
| field theory | 1050 | 532 | 2.429 | 0.000735 | 1801.05688,1801.00676,etc |
| metric tensor | 1181 | 521 | 2.122 | 0.000961 | 1801.01987,1801.08136,etc |
| flat spacetime | 1268 | 519 | 2.146 | 0.000843 | 1801.05688,1801.04930,etc |
| gravity theory | 1162 | 495 | 2.383 | 0.001064 | 1801.07453,1801.07885,etc |
| kinetic term | 1129 | 466 | 2.32 | 0.000873 | 1801.03208,1801.03178,etc |
| phase space | 1972 | 461 | 5.75 | 0.001724 | 1801.02582,1801.01276,etc |
| Einstein' equation | 969 | 451 | 2.483 | 0.001293 | 1801.00650,1801.00307,etc |
| curved spacetime | 1147 | 446 | 2.548 | 0.00121 | 1801.07280,1801.08501,etc |
| expectation value | 1222 | 446 | 3.324 | 0.00087 | 1801.04930,1801.05789,etc |
| perfect fluid | 1065 | 446 | 2.083 | 0.001488 | 1801.08501,1801.08402,etc |
| proper time | 1125 | 443 | 2.083 | 0.000866 | 1801.08136,1801.06149,etc |
| Riemann tensor | 1105 | 440 | 2.516 | 0.001077 | 1801.08579,1801.00307,etc |
| quantum mechanic | 1127 | 424 | 2.621 | 0.001348 | 1801.05688,1801.08631,etc |
| power spectrum | 2641 | 421 | 5.171 | 0.002024 | 1801.05688,1801.10548,etc |
| compact object | 1070 | 413 | 3.034 | 0.001459 | 1801.08136,1801.02559,etc |
| gauge field | 1538 | 404 | 4.062 | 0.001516 | 1801.01987,1801.04930,etc |
| magnetic field | 2264 | 403 | 3.861 | 0.002892 | 1801.00650,1801.09920,etc |
| cosmological model | 824 | 390 | 2.694 | 0.001281 | 1801.08136,1801.07989,etc |
| numerical simulation | 763 | 389 | 2.278 | 0.000613 | 1801.05780,1801.02443,etc |
| metric function | 1153 | 387 | 3.0 | 0.001312 | 1801.02026,1801.07151,etc |
| Friedmann equation | 1100 | 381 | 4.63 | 0.001515 | 1801.02063,1801.02176,etc |
| phase transition | 1818 | 379 | 3.565 | 0.002367 | 1801.00650,1801.04056,etc |
| Minkowski spacetime | 1012 | 379 | 2.655 | 0.001136 | 1801.08434,1801.05549,etc |
| Planck scale | 847 | 377 | 2.12 | 0.000903 | 1801.08810,1801.05789,etc |
| black hole solution | 992 | 372 | 2.955 | 0.001839 | 1801.10537,1801.03044,etc |
| stress-energy tensor | 1023 | 371 | 3.0 | 0.001185 | 1801.00650,1801.07453,etc |
| numerical solution | 727 | 371 | 2.842 | 0.000648 | 1801.08631,1801.08434,etc |
| total energy | 753 | 370 | 2.111 | 0.000993 | 1801.08631,1801.04930,etc |
| flat space | 877 | 370 | 2.417 | 0.000789 | 1801.05688,1801.04930,etc |
| initial datum | 2009 | 370 | 3.533 | 0.001596 | 1801.02063,1801.01987,etc |
| scalar curvature | 804 | 365 | 2.091 | 0.000891 | 1801.10537,1801.04056,etc |
| imaginary part | 867 | 361 | 2.071 | 0.001154 | 1801.08631,1801.04930,etc |
| upper limit | 878 | 359 | 3.346 | 0.000873 | 1801.07453,1801.02559,etc |
| scalar perturbation | 1214 | 358 | 2.381 | 0.001439 | 1801.08501,1801.08810,etc |
| evolution equation | 935 | 356 | 2.778 | 0.000815 | 1801.00650,1801.07885,etc |
| standard model | 725 | 354 | 2.417 | 0.000923 | 1801.02176,1801.00650,etc |
| black hole horizon | 786 | 349 | 2.208 | 0.002299 | 1801.04930,1801.07989,etc |
| electric charge | 962 | 348 | 2.64 | 0.00115 | 1801.02176,1801.04930,etc |
| test particle | 1194 | 346 | 2.24 | 0.00249 | 1801.08136,1801.06149,etc |
| cosmic time | 759 | 345 | 2.609 | 0.000938 | 1801.07453,1801.04056,etc |
| extrinsic curvature | 836 | 343 | 2.227 | 0.000836 | 1801.04930,1801.03044,etc |
| quantum field | 906 | 342 | 2.278 | 0.001157 | 1801.02582,1801.07280,etc |
| perturbation theory | 801 | 342 | 2.545 | 0.000716 | 1801.08434,1801.06051,etc |
| conformal time | 752 | 338 | 2.571 | 0.000582 | 1801.05688,1801.00650,etc |
| linear order | 738 | 334 | 2.25 | 0.000646 | 1801.00650,1801.07453,etc |
| metric perturbation | 981 | 333 | 2.773 | 0.001069 | 1801.00650,1801.02443,etc |
| Einstein gravity | 915 | 329 | 3.455 | 0.00133 | 1801.08631,1801.10537,etc |
| asymptotic behavior | 683 | 323 | 2.45 | 0.000709 | 1801.10537,1801.01987,etc |
| quantum correction | 830 | 321 | 3.125 | 0.000984 | 1801.08810,1801.01276,etc |
| Hilbert space | 1286 | 319 | 5.048 | 0.001813 | 1801.02176,1801.02582,etc |
| wave equation | 1157 | 319 | 3.676 | 0.001614 | 1801.00307,1801.07453,etc |
| conformal transformation | 924 | 317 | 3.931 | 0.001075 | 1801.01987,1801.08136,etc |
| spatial infinity | 859 | 317 | 3.682 | 0.000964 | 1801.02026,1801.01787,etc |
| energy scale | 566 | 315 | 2.105 | 0.000682 | 1801.05688,1801.02176,etc |
| null geodesic | 837 | 311 | 3.536 | 0.001196 | 1801.04930,1801.07146,etc |
| Killing vector | 1050 | 311 | 4.286 | 0.001458 | 1801.08579,1801.06149,etc |
| scalar-tensor theory | 943 | 311 | 3.12 | 0.000983 | 1801.07453,1801.07885,etc |
| kinetic energy | 599 | 309 | 2.15 | 0.000752 | 1801.00676,1801.08434,etc |
| boundary term | 1055 | 308 | 3.952 | 0.001139 | 1801.04930,1801.04056,etc |
| gauge transformation | 1048 | 307 | 2.292 | 0.000966 | 1801.00676,1801.03044,etc |
| quantum state | 767 | 304 | 2.583 | 0.001028 | 1801.05688,1801.08631,etc |
| geodesic equation | 774 | 298 | 3.636 | 0.001154 | 1801.08136,1801.06149,etc |
| energy momentum tensor | 600 | 297 | 2.048 | 0.001164 | 1801.02063,1801.05664,etc |
| Hawking radiation | 1105 | 290 | 3.966 | 0.002567 | 1801.04930,1801.06149,etc |
| gravitational collapse | 749 | 288 | 2.2 | 0.001178 | 1801.06149,1801.02559,etc |
| effective action | 1117 | 287 | 3.938 | 0.001564 | 1801.04930,1801.07885,etc |
| equatorial plane | 1075 | 286 | 3.583 | 0.001471 | 1801.06149,1801.09920,etc |
| gauge theory | 755 | 284 | 2.789 | 0.001047 | 1801.00676,1801.03178,etc |
| vacuum state | 734 | 281 | 2.8 | 0.000798 | 1801.02582,1801.07280,etc |
| critical point | 1548 | 277 | 4.652 | 0.002876 | 1801.06149,1801.05789,etc |
| electric field | 1056 | 276 | 4.409 | 0.001924 | 1801.02176,1801.04930,etc |
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