| black hole | 214 | 19 | 11.833 | 0.00666 | 1808.10748,1808.07067,etc |
| external magnetic field | 64 | 24 | 2.739 | 0.004625 | 1808.07405,1808.05149,etc |
| community structure | 116 | 12 | 6.455 | 0.00454 | 1808.08789,1808.07857,etc |
| transition probability | 60 | 16 | 3.667 | 0.004484 | 1808.03262,1808.00240,etc |
| Green' function | 109 | 22 | 5.0 | 0.004355 | 1808.02205,1808.05282,etc |
| effective interaction | 78 | 14 | 5.846 | 0.004214 | 1808.04499,1808.10506,etc |
| Rydberg atom | 105 | 11 | 9.4 | 0.004175 | 1808.02678,1808.05987,etc |
| thermodynamic limit | 47 | 18 | 2.588 | 0.003735 | 1808.02362,1808.05149,etc |
| cost function | 97 | 25 | 3.625 | 0.003721 | 1808.06150,1808.01135,etc |
| random number | 53 | 18 | 3.059 | 0.003466 | 1808.07670,1808.04675,etc |
| unit cell | 172 | 32 | 5.516 | 0.003458 | 1808.08245,1808.00090,etc |
| general relativity | 125 | 20 | 5.368 | 0.003375 | 1808.10748,1808.05885,etc |
| scalar field | 116 | 32 | 3.677 | 0.003358 | 1808.03122,1808.05635,etc |
| porous medium | 122 | 14 | 8.692 | 0.003339 | 1808.09804,1808.01260,etc |
| degree distribution | 77 | 18 | 4.412 | 0.003121 | 1808.02362,1808.05911,etc |
| force field | 54 | 12 | 2.818 | 0.002971 | 1808.06156,1808.06118,etc |
| energy density | 78 | 23 | 3.182 | 0.002955 | 1808.04226,1808.10748,etc |
| laser pulse | 193 | 43 | 4.548 | 0.002935 | 1808.07067,1808.10337,etc |
| neural network | 200 | 39 | 5.237 | 0.002923 | 1808.00142,1808.04499,etc |
| probability distribution | 194 | 49 | 4.021 | 0.002904 | 1808.08921,1808.03824,etc |
| magnetic field | 760 | 145 | 5.083 | 0.002875 | 1808.06607,1808.04430,etc |
| present model | 71 | 16 | 3.733 | 0.002867 | 1808.08921,1808.02399,etc |
| dark matter | 80 | 19 | 4.389 | 0.002826 | 1808.10748,1808.05885,etc |
| Rydberg state | 41 | 11 | 3.0 | 0.002774 | 1808.04643,1808.05987,etc |
| energy spread | 49 | 13 | 4.0 | 0.002765 | 1808.01737,1808.07808,etc |
| angular momentum | 198 | 47 | 4.196 | 0.002662 | 1808.10337,1808.04639,etc |
| water molecule | 80 | 22 | 3.762 | 0.002618 | 1808.10737,1808.02757,etc |
| phase factor | 34 | 12 | 3.0 | 0.002588 | 1808.04643,1808.07324,etc |
| decay rate | 102 | 33 | 2.969 | 0.002532 | 1808.03600,1808.07948,etc |
| covariance matrix | 41 | 16 | 2.6 | 0.002531 | 1808.01260,1808.05168,etc |
| Green function | 80 | 20 | 4.158 | 0.002518 | 1808.02205,1808.10272,etc |
| cavity mode | 39 | 11 | 3.5 | 0.002499 | 1808.02678,1808.04230,etc |
| temperature gradient | 43 | 15 | 3.0 | 0.002473 | 1808.06607,1808.03600,etc |
| loss function | 65 | 19 | 2.889 | 0.002471 | 1808.00142,1808.10753,etc |
| core region | 29 | 12 | 2.273 | 0.002453 | 1808.04625,1808.02657,etc |
| basis function | 150 | 42 | 3.634 | 0.002434 | 1808.04921,1808.05431,etc |
| phase information | 32 | 11 | 2.8 | 0.002429 | 1808.02338,1808.10375,etc |
| phase velocity | 40 | 15 | 2.714 | 0.002354 | 1808.09883,1808.07808,etc |
| topological charge | 60 | 13 | 4.083 | 0.002353 | 1808.10318,1808.10772,etc |
| interaction energy | 68 | 16 | 4.333 | 0.002314 | 1808.02205,1808.02399,etc |
| magnetic field line | 35 | 14 | 2.462 | 0.002304 | 1808.08899,1808.01218,etc |
| natural frequency | 55 | 14 | 3.923 | 0.002281 | 1808.08921,1808.00371,etc |
| probability density function | 67 | 24 | 2.87 | 0.002279 | 1808.08921,1808.06607,etc |
| Poisson' ratio | 29 | 11 | 2.3 | 0.002271 | 1808.08921,1808.06387,etc |
| correlation energy | 62 | 16 | 3.8 | 0.002245 | 1808.02049,1808.10200,etc |
| electronic state | 83 | 31 | 2.667 | 0.002233 | 1808.05420,1808.02399,etc |
| phase profile | 27 | 11 | 2.6 | 0.002229 | 1808.05282,1808.07324,etc |
| exponential function | 36 | 15 | 2.214 | 0.002216 | 1808.08117,1808.02402,etc |
| Gaussian beam | 48 | 18 | 2.765 | 0.002202 | 1808.08101,1808.04713,etc |
| relaxation time | 91 | 34 | 2.697 | 0.002141 | 1808.08921,1808.04681,etc |
| metastable state | 43 | 16 | 2.8 | 0.002117 | 1808.03824,1808.04681,etc |
| local minimum | 76 | 22 | 3.571 | 0.002116 | 1808.07683,1808.02088,etc |
| external field | 139 | 40 | 3.513 | 0.002112 | 1808.02678,1808.06771,etc |
| frequency comb | 37 | 12 | 3.273 | 0.002099 | 1808.00860,1808.00874,etc |
| metric tensor | 32 | 14 | 2.385 | 0.002038 | 1808.06607,1808.08899,etc |
| phase transition | 179 | 56 | 3.236 | 0.001988 | 1808.00808,1808.03824,etc |
| photon energy | 89 | 32 | 2.839 | 0.001988 | 1808.05449,1808.07067,etc |
| double excitation | 42 | 13 | 3.417 | 0.001986 | 1808.05431,1808.02049,etc |
| local maximum | 37 | 12 | 3.273 | 0.00198 | 1808.02678,1808.10172,etc |
| vector field | 123 | 31 | 4.067 | 0.001959 | 1808.03122,1808.04643,etc |
| transfer function | 47 | 14 | 2.385 | 0.00195 | 1808.00874,1808.03310,etc |
| isotropic turbulence | 36 | 14 | 2.385 | 0.001932 | 1808.01537,1808.10172,etc |
| energy transfer | 96 | 35 | 2.794 | 0.001915 | 1808.07948,1808.06706,etc |
| incident angle | 38 | 16 | 2.467 | 0.001912 | 1808.08848,1808.05449,etc |
| coherence time | 27 | 11 | 2.6 | 0.00191 | 1808.03310,1808.08830,etc |
| electron beam | 125 | 18 | 7.118 | 0.001903 | 1808.02657,1808.07808,etc |
| laser power | 45 | 14 | 3.385 | 0.001894 | 1808.00371,1808.07831,etc |
| laser field | 106 | 31 | 3.467 | 0.001887 | 1808.07067,1808.10337,etc |
| resonance frequency | 70 | 26 | 2.76 | 0.00188 | 1808.04686,1808.03779,etc |
| electromagnetic wave | 54 | 25 | 2.125 | 0.00188 | 1808.03180,1808.02205,etc |
| cosmic ray | 49 | 22 | 2.19 | 0.001879 | 1808.04430,1808.07308,etc |
| master equation | 59 | 13 | 4.667 | 0.001866 | 1808.00808,1808.02362,etc |
| thermal equilibrium | 76 | 20 | 3.842 | 0.00186 | 1808.10029,1808.07683,etc |
| Fourier space | 105 | 23 | 4.727 | 0.00185 | 1808.05885,1808.05168,etc |
| Ising model | 50 | 16 | 3.2 | 0.001822 | 1808.00808,1808.05149,etc |
| intensity profile | 40 | 14 | 3.0 | 0.00179 | 1808.08101,1808.07405,etc |
| drag force | 55 | 15 | 3.643 | 0.001786 | 1808.08921,1808.06156,etc |
| surface tension | 73 | 19 | 4.0 | 0.001781 | 1808.09613,1808.09804,etc |
| pressure field | 49 | 12 | 2.545 | 0.001778 | 1808.02562,1808.08245,etc |
| supplementary information | 29 | 12 | 2.182 | 0.001765 | 1808.06156,1808.07067,etc |
| particle acceleration | 35 | 13 | 2.833 | 0.001746 | 1808.01537,1808.06706,etc |
| relative phase | 62 | 28 | 2.259 | 0.001742 | 1808.00371,1808.04907,etc |
| real world | 39 | 16 | 2.467 | 0.00173 | 1808.04930,1808.03404,etc |
| bias voltage | 42 | 13 | 2.917 | 0.001724 | 1808.07824,1808.03683,etc |
| quantum mechanic | 97 | 40 | 2.359 | 0.001705 | 1808.02205,1808.05282,etc |
| plasma density | 77 | 19 | 3.444 | 0.001694 | 1808.03860,1808.05084,etc |
| energy resolution | 67 | 19 | 3.111 | 0.00169 | 1808.05833,1808.03683,etc |
| spatial resolution | 151 | 55 | 2.778 | 0.001688 | 1808.08921,1808.05449,etc |
| singular value decomposition | 27 | 12 | 2.182 | 0.001681 | 1808.00458,1808.01346,etc |
| objective function | 65 | 22 | 3.048 | 0.001665 | 1808.10859,1808.04930,etc |
| phase separation | 52 | 11 | 5.1 | 0.001663 | 1808.00808,1808.00084,etc |
| average velocity | 33 | 15 | 2.214 | 0.001661 | 1808.10337,1808.06520,etc |
| Reynolds stress | 60 | 11 | 5.9 | 0.00165 | 1808.07478,1808.06147,etc |
| drift velocity | 34 | 11 | 3.2 | 0.001643 | 1808.06607,1808.08775,etc |
| relativistic effect | 58 | 16 | 3.8 | 0.001642 | 1808.05885,1808.01507,etc |
| upper limit | 118 | 51 | 2.34 | 0.001641 | 1808.00860,1808.05614,etc |
| Supplementary Information | 54 | 20 | 2.526 | 0.001639 | 1808.04921,1808.04430,etc |
| chemical reaction | 55 | 23 | 2.045 | 0.001629 | 1808.03824,1808.10275,etc |
| solar wind | 96 | 18 | 5.588 | 0.001619 | 1808.03600,1808.05885,etc |
| wave packet | 49 | 16 | 3.2 | 0.00161 | 1808.09613,1808.06890,etc |
|