| complex network | 162 | 23 | 7.227 | 0.013476 | 1501.06674,1501.06438,etc |
| water molecule | 151 | 12 | 13.182 | 0.008133 | 1501.05835,1501.03255,etc |
| quantum dot | 146 | 16 | 9.667 | 0.005538 | 1501.05868,1501.00931,etc |
| frequency difference | 25 | 12 | 2.182 | 0.003995 | 1501.05707,1501.07284,etc |
| degree distribution | 78 | 17 | 4.812 | 0.003788 | 1501.04527,1501.05091,etc |
| optical frequency | 34 | 11 | 3.3 | 0.003488 | 1501.02014,1501.05374,etc |
| matrix element | 146 | 45 | 3.227 | 0.003442 | 1501.06838,1501.04338,etc |
| community structure | 139 | 15 | 9.0 | 0.002958 | 1501.02728,1501.04232,etc |
| asymptotic behavior | 66 | 19 | 3.556 | 0.002913 | 1501.07284,1501.06570,etc |
| Reynolds number | 102 | 27 | 3.885 | 0.002804 | 1501.01247,1501.03169,etc |
| random walker | 40 | 11 | 3.4 | 0.002796 | 1501.01528,1501.07879,etc |
| energy resolution | 98 | 27 | 3.731 | 0.0027 | 1501.04991,1501.04233,etc |
| optical field | 55 | 17 | 3.375 | 0.002686 | 1501.02014,1501.01921,etc |
| stationary solution | 28 | 13 | 2.25 | 0.002525 | 1501.05113,1501.07702,etc |
| free surface | 56 | 13 | 4.417 | 0.002447 | 1501.04322,1501.04303,etc |
| intermediate state | 48 | 16 | 3.067 | 0.002423 | 1501.01459,1501.06838,etc |
| laser beam | 102 | 34 | 3.061 | 0.002418 | 1501.07903,1501.05374,etc |
| count rate | 33 | 11 | 3.2 | 0.002082 | 1501.06825,1501.06935,etc |
| surface tension | 53 | 20 | 2.684 | 0.002001 | 1501.03468,1501.05835,etc |
| band gap | 53 | 12 | 4.545 | 0.001901 | 1501.07058,1501.00781,etc |
| Schr"odinger equation | 45 | 17 | 2.75 | 0.00187 | 1501.07384,1501.02279,etc |
| linear regime | 52 | 18 | 3.0 | 0.001798 | 1501.04479,1501.07903,etc |
| laser pulse | 65 | 25 | 2.667 | 0.001743 | 1501.04021,1501.04694,etc |
| asymptotic expansion | 23 | 11 | 2.2 | 0.001723 | 1501.06276,1501.07185,etc |
| optical lattice | 34 | 15 | 2.143 | 0.001715 | 1501.06414,1501.02068,etc |
| quantum system | 87 | 27 | 3.269 | 0.001706 | 1501.06276,1501.07284,etc |
| hydrogen atom | 50 | 18 | 2.882 | 0.00163 | 1501.05850,1501.06570,etc |
| electric field | 329 | 117 | 2.828 | 0.001592 | 1501.01921,1501.05868,etc |
| physical system | 88 | 34 | 2.576 | 0.00157 | 1501.06022,1501.01608,etc |
| community detection | 47 | 15 | 2.857 | 0.001541 | 1501.02728,1501.07788,etc |
| flow rate | 47 | 11 | 4.4 | 0.001525 | 1501.07391,1501.03548,etc |
| boundary condition | 307 | 103 | 3.0 | 0.001511 | 1501.05868,1501.03468,etc |
| social network | 103 | 26 | 4.08 | 0.001427 | 1501.01701,1501.03049,etc |
| bias voltage | 45 | 11 | 3.1 | 0.001413 | 1501.04233,1501.05442,etc |
| charge distribution | 59 | 16 | 3.867 | 0.001382 | 1501.06825,1501.05868,etc |
| coherent structure | 38 | 13 | 2.833 | 0.001372 | 1501.03429,1501.07702,etc |
| Fourier space | 40 | 18 | 2.235 | 0.001365 | 1501.04479,1501.04233,etc |
| laser field | 40 | 13 | 3.0 | 0.001356 | 1501.04021,1501.06276,etc |
| Green' function | 53 | 19 | 2.889 | 0.001353 | 1501.07384,1501.07058,etc |
| Young' modulus | 24 | 11 | 2.3 | 0.001349 | 1501.07463,1501.04303,etc |
| unit cell | 52 | 22 | 2.429 | 0.001329 | 1501.06335,1501.00781,etc |
| quantum mechanic | 157 | 41 | 3.85 | 0.001291 | 1501.06838,1501.07384,etc |
| state space | 54 | 18 | 3.0 | 0.001282 | 1501.01701,1501.06353,etc |
| imaginary part | 110 | 46 | 2.422 | 0.001261 | 1501.04021,1501.04694,etc |
| photon energy | 61 | 20 | 3.158 | 0.001234 | 1501.06825,1501.06838,etc |
| simulation box | 32 | 12 | 2.727 | 0.001221 | 1501.06022,1501.03305,etc |
| Table I | 27 | 12 | 2.364 | 0.001178 | 1501.04021,1501.04530,etc |
| no-slip boundary condition | 29 | 13 | 2.333 | 0.00114 | 1501.04322,1501.06755,etc |
| quantum theory | 74 | 17 | 4.562 | 0.001133 | 1501.02961,1501.06570,etc |
| figure b | 47 | 19 | 2.556 | 0.001131 | 1501.05010,1501.04159,etc |
| shear flow | 48 | 16 | 2.4 | 0.001122 | 1501.01247,1501.03305,etc |
| dynamical system | 83 | 33 | 2.562 | 0.001116 | 1501.03468,1501.02472,etc |
| statistical property | 44 | 22 | 2.048 | 0.001115 | 1501.02498,1501.00831,etc |
| network topology | 27 | 11 | 2.1 | 0.00111 | 1501.05091,1501.02472,etc |
| Rabi frequency | 53 | 18 | 2.941 | 0.001101 | 1501.06276,1501.07284,etc |
| total momentum | 24 | 11 | 2.3 | 0.001092 | 1501.03202,1501.03805,etc |
| real part | 94 | 33 | 2.875 | 0.001078 | 1501.01701,1501.05868,etc |
| evolution equation | 69 | 27 | 2.538 | 0.001055 | 1501.06674,1501.06771,etc |
| Navier-Stokes equation | 59 | 23 | 2.636 | 0.001051 | 1501.04322,1501.01247,etc |
| power law | 81 | 28 | 2.963 | 0.001021 | 1501.07186,1501.04527,etc |
| pure state | 32 | 11 | 2.8 | 0.001013 | 1501.01459,1501.06438,etc |
| nonlinear term | 43 | 18 | 2.471 | 0.00101 | 1501.06414,1501.01608,etc |
| outer layer | 27 | 11 | 2.5 | 0.000968 | 1501.03169,1501.06935,etc |
| datum acquisition | 34 | 12 | 3.0 | 0.000959 | 1501.05442,1501.00346,etc |
| time point | 25 | 12 | 2.182 | 0.000952 | 1501.03468,1501.00242,etc |
| axial direction | 50 | 19 | 2.722 | 0.000942 | 1501.07463,1501.06570,etc |
| porous medium | 40 | 14 | 3.0 | 0.000919 | 1501.05835,1501.06335,etc |
| field theory | 54 | 20 | 2.737 | 0.000917 | 1501.07384,1501.02842,etc |
| experimental value | 77 | 33 | 2.375 | 0.000909 | 1501.04021,1501.01921,etc |
| system size | 78 | 34 | 2.333 | 0.000903 | 1501.04116,1501.06353,etc |
| United States | 24 | 12 | 2.091 | 0.000891 | 1501.04527,1501.06408,etc |
| continuum limit | 29 | 12 | 2.545 | 0.000883 | 1501.01459,1501.07185,etc |
| optimization problem | 26 | 12 | 2.273 | 0.000868 | 1501.01701,1501.07391,etc |
| structural property | 30 | 15 | 2.071 | 0.000863 | 1501.03049,1501.00022,etc |
| carbon atom | 33 | 14 | 2.462 | 0.000848 | 1501.06041,1501.05605,etc |
| peak position | 38 | 17 | 2.25 | 0.00082 | 1501.03468,1501.06438,etc |
| adjacency matrix | 53 | 19 | 2.889 | 0.000807 | 1501.01701,1501.04527,etc |
| particle size | 26 | 11 | 2.4 | 0.000797 | 1501.00238,1501.07707,etc |
| short distance | 28 | 13 | 2.25 | 0.00078 | 1501.06335,1501.03656,etc |
| gas phase | 48 | 17 | 2.938 | 0.000765 | 1501.03327,1501.07058,etc |
| long-range interaction | 32 | 14 | 2.385 | 0.000745 | 1501.01459,1501.04116,etc |
| electronic structure | 50 | 22 | 2.333 | 0.000745 | 1501.04159,1501.03327,etc |
| test case | 36 | 13 | 2.917 | 0.000744 | 1501.04322,1501.06335,etc |
| time window | 29 | 13 | 2.333 | 0.000738 | 1501.05868,1501.03049,etc |
| fluid velocity | 63 | 26 | 2.48 | 0.000721 | 1501.07463,1501.07221,etc |
| grid point | 55 | 25 | 2.208 | 0.000718 | 1501.06022,1501.01247,etc |
| thermodynamic limit | 57 | 12 | 5.0 | 0.000712 | 1501.01459,1501.04116,etc |
| Dirac equation | 31 | 13 | 2.417 | 0.000711 | 1501.06838,1501.06570,etc |
| experimental datum | 265 | 107 | 2.491 | 0.000708 | 1501.05835,1501.06838,etc |
| Maxwell' equation | 27 | 13 | 2.083 | 0.000701 | 1501.03109,1501.06570,etc |
| quantum number | 37 | 17 | 2.25 | 0.000697 | 1501.04338,1501.02279,etc |
| interaction energy | 37 | 18 | 2.059 | 0.000688 | 1501.01760,1501.07344,etc |
| nonumber & | 79 | 32 | 2.516 | 0.000687 | 1501.07384,1501.02097,etc |
| nonlinear response | 25 | 12 | 2.182 | 0.000677 | 1501.04479,1501.05219,etc |
| laboratory experiment | 43 | 19 | 2.333 | 0.000666 | 1501.03255,1501.04701,etc |
| particle trajectory | 32 | 15 | 2.214 | 0.000661 | 1501.07185,1501.00022,etc |
| physical quantity | 27 | 12 | 2.364 | 0.000658 | 1501.06438,1501.05163,etc |
| flow field | 34 | 17 | 2.062 | 0.000656 | 1501.07186,1501.00238,etc |
| energy scale | 26 | 12 | 2.273 | 0.000633 | 1501.06570,1501.03833,etc |
| magnetic field line | 30 | 13 | 2.417 | 0.000628 | 1501.06022,1501.04735,etc |
|