| quantum dot | 69 | 16 | 4.533 | 0.004519 | 1503.04318,1503.08857,etc |
| community structure | 160 | 17 | 8.75 | 0.004296 | 1503.08012,1503.01626,etc |
| cavity mode | 79 | 15 | 5.571 | 0.004143 | 1503.04672,1503.06084,etc |
| Rydberg atom | 51 | 11 | 4.4 | 0.004066 | 1503.02881,1503.08953,etc |
| porous medium | 52 | 13 | 4.083 | 0.003581 | 1503.04466,1503.05541,etc |
| response function | 81 | 15 | 4.214 | 0.003184 | 1503.03781,1503.08723,etc |
| null model | 59 | 12 | 5.182 | 0.003146 | 1503.08012,1503.05522,etc |
| density gradient | 39 | 11 | 3.7 | 0.003135 | 1503.06180,1503.03232,etc |
| shear stress | 50 | 11 | 4.8 | 0.002887 | 1503.01262,1503.07374,etc |
| Rb atom | 32 | 11 | 2.6 | 0.002696 | 1503.02881,1503.03334,etc |
| external magnetic field | 45 | 18 | 2.588 | 0.002505 | 1503.08783,1503.03334,etc |
| fluid flow | 82 | 22 | 3.857 | 0.002377 | 1503.02842,1503.04138,etc |
| single photon | 35 | 14 | 2.615 | 0.002195 | 1503.04763,1503.08541,etc |
| laser power | 43 | 18 | 2.353 | 0.002153 | 1503.03329,1503.08953,etc |
| water molecule | 62 | 13 | 4.917 | 0.002148 | 1503.00178,1503.04027,etc |
| detection efficiency | 38 | 13 | 2.75 | 0.00205 | 1503.03937,1503.03424,etc |
| optimal value | 78 | 28 | 2.852 | 0.002045 | 1503.08767,1503.08048,etc |
| laser pulse | 144 | 35 | 4.176 | 0.002028 | 1503.06180,1503.00343,etc |
| electric field | 492 | 141 | 3.507 | 0.001991 | 1503.01878,1503.05169,etc |
| surface tension | 97 | 21 | 4.75 | 0.001987 | 1503.00008,1503.04039,etc |
| additional term | 32 | 15 | 2.214 | 0.001946 | 1503.08767,1503.07024,etc |
| null hypothesis | 38 | 12 | 3.364 | 0.001938 | 1503.07622,1503.06698,etc |
| Navier-Stokes equation | 70 | 27 | 2.615 | 0.001925 | 1503.02099,1503.07374,etc |
| state space | 28 | 11 | 2.7 | 0.001889 | 1503.04180,1503.01160,etc |
| unstable mode | 69 | 17 | 4.188 | 0.001887 | 1503.07381,1503.01878,etc |
| proton beam | 30 | 11 | 2.9 | 0.001887 | 1503.06180,1503.08468,etc |
| unit length | 44 | 21 | 2.15 | 0.001884 | 1503.04039,1503.00397,etc |
| vibrational mode | 43 | 18 | 2.471 | 0.001877 | 1503.03329,1503.04401,etc |
| scale-free network | 59 | 14 | 4.154 | 0.001862 | 1503.01160,1503.03744,etc |
| Rabi frequency | 67 | 19 | 3.667 | 0.001843 | 1503.04318,1503.03334,etc |
| Green' function | 53 | 22 | 2.476 | 0.001827 | 1503.08707,1503.03781,etc |
| bias voltage | 42 | 11 | 3.2 | 0.001816 | 1503.07322,1503.04778,etc |
| single atom | 28 | 12 | 2.455 | 0.001804 | 1503.01074,1503.02452,etc |
| photonic crystal | 27 | 12 | 2.364 | 0.001776 | 1503.01923,1503.04318,etc |
| Euler-Lagrange equation | 32 | 12 | 2.727 | 0.001764 | 1503.07539,1503.03232,etc |
| rate equation | 38 | 16 | 2.333 | 0.001758 | 1503.08767,1503.05914,etc |
| quantum particle | 34 | 13 | 2.417 | 0.001758 | 1503.01969,1503.08783,etc |
| physical system | 56 | 23 | 2.5 | 0.001702 | 1503.01626,1503.00746,etc |
| local density | 34 | 13 | 2.75 | 0.001637 | 1503.03781,1503.02175,etc |
| imaginary part | 162 | 55 | 2.981 | 0.001613 | 1503.01160,1503.04024,etc |
| laser beam | 108 | 42 | 2.61 | 0.001609 | 1503.08953,1503.03334,etc |
| optical lattice | 50 | 19 | 2.722 | 0.001574 | 1503.07417,1503.08457,etc |
| relative phase | 42 | 17 | 2.5 | 0.001571 | 1503.08767,1503.07535,etc |
| nonlinear interaction | 41 | 18 | 2.353 | 0.001569 | 1503.05541,1503.00869,etc |
| laser field | 113 | 24 | 4.87 | 0.001564 | 1503.04318,1503.00343,etc |
| Supplementary Information | 46 | 13 | 3.5 | 0.001556 | 1503.05098,1503.02005,etc |
| momentum transfer | 31 | 15 | 2.143 | 0.001528 | 1503.03937,1503.04551,etc |
| principal quantum number | 26 | 12 | 2.273 | 0.001493 | 1503.03690,1503.02881,etc |
| basis function | 26 | 13 | 2.083 | 0.001466 | 1503.07539,1503.06312,etc |
| unit cell | 64 | 21 | 3.0 | 0.001446 | 1503.06131,1503.02023,etc |
| power law | 107 | 39 | 2.763 | 0.001439 | 1503.04672,1503.01160,etc |
| temperature dependence | 28 | 11 | 2.7 | 0.001413 | 1503.04027,1503.06039,etc |
| kinetic equation | 53 | 13 | 4.25 | 0.001395 | 1503.01878,1503.06082,etc |
| social network | 116 | 29 | 4.036 | 0.001389 | 1503.08048,1503.05914,etc |
| free space | 58 | 25 | 2.375 | 0.001375 | 1503.07381,1503.05586,etc |
| Reynolds number | 73 | 26 | 2.88 | 0.001372 | 1503.02099,1503.07374,etc |
| nonumber & | 57 | 21 | 2.65 | 0.001367 | 1503.04763,1503.06206,etc |
| electronic structure | 63 | 20 | 2.579 | 0.001357 | 1503.04401,1503.01001,etc |
| degree distribution | 104 | 28 | 3.704 | 0.001345 | 1503.08048,1503.01160,etc |
| system size | 93 | 35 | 2.676 | 0.001343 | 1503.08767,1503.01160,etc |
| long-range interaction | 29 | 14 | 2.154 | 0.001303 | 1503.08107,1503.07417,etc |
| quantum number | 34 | 15 | 2.357 | 0.001284 | 1503.03690,1503.01511,etc |
| van der Waals interaction | 23 | 11 | 2.2 | 0.001255 | 1503.02881,1503.01204,etc |
| molecular dynamic simulation | 23 | 11 | 2.2 | 0.001243 | 1503.07381,1503.01626,etc |
| configuration model | 40 | 11 | 2.2 | 0.001234 | 1503.00925,1503.00176,etc |
| linear stability analysis | 31 | 11 | 3.0 | 0.00123 | 1503.05914,1503.02625,etc |
| small particle | 22 | 11 | 2.1 | 0.001226 | 1503.03781,1503.06148,etc |
| conditional probability | 27 | 12 | 2.364 | 0.001224 | 1503.00925,1503.07804,etc |
| objective function | 43 | 12 | 3.818 | 0.00122 | 1503.08069,1503.02337,etc |
| optimal solution | 32 | 11 | 3.1 | 0.001205 | 1503.03537,1503.02699,etc |
| Maxwell' equation | 73 | 31 | 2.4 | 0.001174 | 1503.01878,1503.01969,etc |
| network topology | 33 | 14 | 2.462 | 0.001156 | 1503.08012,1503.03537,etc |
| figure b | 37 | 15 | 2.571 | 0.00112 | 1503.06148,1503.08857,etc |
| initial perturbation | 22 | 11 | 2.1 | 0.001091 | 1503.00588,1503.00834,etc |
| random graph | 35 | 17 | 2.125 | 0.001086 | 1503.08012,1503.05180,etc |
| particle velocity | 39 | 15 | 2.571 | 0.001073 | 1503.07374,1503.06148,etc |
| single particle | 41 | 18 | 2.353 | 0.001064 | 1503.00127,1503.08541,etc |
| thermodynamic limit | 37 | 16 | 2.067 | 0.001054 | 1503.01626,1503.00909,etc |
| electron energy | 43 | 16 | 2.667 | 0.001051 | 1503.00343,1503.08494,etc |
| optimization problem | 40 | 14 | 2.923 | 0.00105 | 1503.03537,1503.08069,etc |
| experimental value | 72 | 31 | 2.367 | 0.001049 | 1503.00908,1503.04027,etc |
| real network | 32 | 14 | 2.385 | 0.001045 | 1503.01160,1503.08012,etc |
| quantum theory | 46 | 20 | 2.316 | 0.001038 | 1503.07622,1503.04345,etc |
| incident field | 40 | 13 | 3.083 | 0.001035 | 1503.03781,1503.07115,etc |
| matrix element | 122 | 41 | 3.0 | 0.001032 | 1503.08767,1503.06559,etc |
| lattice site | 36 | 13 | 2.25 | 0.001022 | 1503.06398,1503.02452,etc |
| flow field | 53 | 21 | 2.3 | 0.001014 | 1503.01262,1503.07374,etc |
| steady-state solution | 26 | 11 | 2.3 | 0.000996 | 1503.03881,1503.03588,etc |
| transition rate | 31 | 13 | 2.5 | 0.000987 | 1503.00343,1503.01204,etc |
| quantum mechanic | 112 | 45 | 2.5 | 0.000985 | 1503.03496,1503.07622,etc |
| differential equation | 120 | 57 | 2.125 | 0.000969 | 1503.04180,1503.00908,etc |
| ambient condition | 29 | 11 | 2.8 | 0.000941 | 1503.08857,1503.01309,etc |
| collective dynamic | 26 | 11 | 2.2 | 0.000917 | 1503.06148,1503.08107,etc |
| probability amplitude | 34 | 12 | 2.727 | 0.000916 | 1503.04318,1503.00031,etc |
| source term | 37 | 16 | 2.2 | 0.000915 | 1503.01923,1503.06082,etc |
| real part | 98 | 49 | 2.021 | 0.000902 | 1503.04672,1503.00248,etc |
| experimental datum | 200 | 91 | 2.189 | 0.000884 | 1503.04027,1503.04401,etc |
| boundary condition | 286 | 109 | 2.62 | 0.000881 | 1503.03331,1503.07539,etc |
| volume fraction | 35 | 11 | 3.3 | 0.00088 | 1503.05893,1503.05586,etc |
| quantum field theory | 29 | 14 | 2.154 | 0.000877 | 1503.02842,1503.04345,etc |
|