| magnetic field line | 82 | 15 | 5.643 | 0.005162 | 1802.02978,1802.07748,etc |
| neural network | 74 | 21 | 3.4 | 0.004791 | 1802.09474,1802.03930,etc |
| imaging system | 56 | 11 | 5.4 | 0.004308 | 1802.10030,1802.04018,etc |
| degree distribution | 159 | 24 | 6.87 | 0.004235 | 1802.01465,1802.05127,etc |
| single electron | 37 | 18 | 2.118 | 0.004143 | 1802.02874,1802.05928,etc |
| Rydberg state | 70 | 13 | 5.417 | 0.003077 | 1802.08587,1802.10424,etc |
| small parameter | 35 | 16 | 2.267 | 0.002892 | 1802.00735,1802.08675,etc |
| interaction strength | 58 | 12 | 3.727 | 0.00285 | 1802.06693,1802.06275,etc |
| energy spread | 94 | 25 | 3.875 | 0.00267 | 1802.09838,1802.03745,etc |
| electron bunch | 59 | 20 | 3.053 | 0.002651 | 1802.02874,1802.09838,etc |
| bias voltage | 43 | 18 | 2.471 | 0.002566 | 1802.06162,1802.06876,etc |
| proton beam | 36 | 11 | 2.8 | 0.00256 | 1802.01394,1802.06548,etc |
| porous medium | 95 | 19 | 5.167 | 0.002515 | 1802.10323,1802.09020,etc |
| nonlinear response | 30 | 11 | 2.9 | 0.002505 | 1802.09470,1802.04890,etc |
| item The | 74 | 31 | 2.433 | 0.002462 | 1802.09474,1802.00972,etc |
| flow field | 112 | 28 | 3.926 | 0.002428 | 1802.09474,1802.07835,etc |
| correction factor | 35 | 11 | 3.4 | 0.002377 | 1802.02190,1802.03901,etc |
| plasma density | 97 | 28 | 3.481 | 0.002365 | 1802.05942,1802.07340,etc |
| surface tension | 94 | 21 | 4.65 | 0.002361 | 1802.09020,1802.01272,etc |
| relative permittivity | 48 | 21 | 2.35 | 0.002333 | 1802.00832,1802.06673,etc |
| potential energy surface | 28 | 13 | 2.25 | 0.002312 | 1802.07603,1802.03466,etc |
| community structure | 98 | 19 | 5.333 | 0.002275 | 1802.05127,1802.01288,etc |
| unit cell | 123 | 38 | 3.297 | 0.002274 | 1802.09474,1802.08771,etc |
| electronic ground state | 24 | 12 | 2.091 | 0.002248 | 1802.01280,1802.10343,etc |
| objective function | 56 | 13 | 4.167 | 0.002237 | 1802.00619,1802.01623,etc |
| scale-free network | 34 | 14 | 2.538 | 0.002213 | 1802.03286,1802.01465,etc |
| magnetic field strength | 42 | 20 | 2.105 | 0.0022 | 1802.05942,1802.06673,etc |
| gas phase | 40 | 14 | 3.0 | 0.002187 | 1802.01669,1802.02357,etc |
| dynamic system | 38 | 11 | 2.9 | 0.002059 | 1802.09474,1802.00534,etc |
| electric field | 421 | 142 | 2.972 | 0.002051 | 1802.07549,1802.09838,etc |
| resonance frequency | 107 | 37 | 2.861 | 0.001992 | 1802.09738,1802.07500,etc |
| Reynolds number | 223 | 48 | 4.723 | 0.001985 | 1802.10323,1802.08284,etc |
| propagation direction | 45 | 20 | 2.316 | 0.001969 | 1802.08029,1802.03894,etc |
| diffusion term | 27 | 13 | 2.167 | 0.001968 | 1802.10323,1802.08284,etc |
| spin-orbit interaction | 28 | 11 | 2.7 | 0.001965 | 1802.06884,1802.05817,etc |
| Green' function | 64 | 21 | 3.1 | 0.001912 | 1802.03340,1802.06000,etc |
| interaction energy | 39 | 14 | 2.923 | 0.001865 | 1802.06693,1802.08771,etc |
| photon energy | 77 | 26 | 3.0 | 0.001856 | 1802.08619,1802.06884,etc |
| laser field | 76 | 28 | 2.704 | 0.001849 | 1802.02874,1802.06693,etc |
| steady-state solution | 50 | 12 | 4.455 | 0.001847 | 1802.07250,1802.01761,etc |
| time window | 62 | 22 | 2.667 | 0.001842 | 1802.06548,1802.06287,etc |
| cavity mode | 61 | 19 | 3.278 | 0.001826 | 1802.06029,1802.06417,etc |
| topological insulator | 27 | 11 | 2.4 | 0.001785 | 1802.00534,1802.06884,etc |
| laser pulse | 130 | 46 | 2.867 | 0.001771 | 1802.02874,1802.07340,etc |
| flow rate | 134 | 27 | 5.115 | 0.001739 | 1802.06732,1802.09103,etc |
| water molecule | 42 | 12 | 3.727 | 0.00172 | 1802.00676,1802.07477,etc |
| shear rate | 56 | 11 | 5.4 | 0.001708 | 1802.06690,1802.08519,etc |
| probe laser | 24 | 11 | 2.3 | 0.001705 | 1802.03563,1802.04053,etc |
| state vector | 55 | 19 | 2.556 | 0.001669 | 1802.04116,1802.07189,etc |
| adjacency matrix | 71 | 24 | 3.043 | 0.001666 | 1802.01200,1802.06076,etc |
| beam size | 52 | 19 | 2.833 | 0.001658 | 1802.02874,1802.01394,etc |
| cost function | 60 | 13 | 3.333 | 0.001625 | 1802.06421,1802.05858,etc |
| emission rate | 26 | 11 | 2.5 | 0.001618 | 1802.06029,1802.04449,etc |
| band gap | 33 | 15 | 2.286 | 0.001594 | 1802.08316,1802.04788,etc |
| laser intensity | 46 | 20 | 2.368 | 0.001592 | 1802.07340,1802.04748,etc |
| exact solution | 133 | 56 | 2.273 | 0.001581 | 1802.07549,1802.09474,etc |
| laboratory experiment | 79 | 20 | 4.105 | 0.001555 | 1802.05419,1802.05545,etc |
| incident field | 37 | 13 | 3.0 | 0.001541 | 1802.08029,1802.10383,etc |
| Rabi frequency | 61 | 16 | 4.0 | 0.001537 | 1802.10424,1802.06029,etc |
| time period | 69 | 21 | 3.4 | 0.001536 | 1802.05942,1802.05711,etc |
| single crystal | 22 | 11 | 2.1 | 0.001525 | 1802.07835,1802.02508,etc |
| thermal fluctuation | 30 | 12 | 2.636 | 0.001453 | 1802.05211,1802.03894,etc |
| lattice site | 31 | 14 | 2.308 | 0.001441 | 1802.06693,1802.05858,etc |
| fluid dynamic | 60 | 29 | 2.107 | 0.001439 | 1802.09474,1802.04116,etc |
| random walker | 28 | 12 | 2.455 | 0.001438 | 1802.01200,1802.07292,etc |
| pressure drop | 61 | 14 | 4.077 | 0.001425 | 1802.03808,1802.00477,etc |
| stochastic model | 29 | 14 | 2.154 | 0.001424 | 1802.08390,1802.05711,etc |
| Schr"odinger equation | 75 | 23 | 3.364 | 0.0014 | 1802.07189,1802.10424,etc |
| quantum mechanic | 151 | 50 | 3.061 | 0.001398 | 1802.02141,1802.09912,etc |
| square lattice | 43 | 17 | 2.625 | 0.001395 | 1802.00668,1802.05858,etc |
| supplementary material | 85 | 26 | 3.36 | 0.001376 | 1802.01623,1802.06421,etc |
| drag force | 26 | 11 | 2.5 | 0.001373 | 1802.04961,1802.05328,etc |
| optical lattice | 51 | 20 | 2.632 | 0.001366 | 1802.06693,1802.07097,etc |
| complex system | 90 | 38 | 2.405 | 0.001364 | 1802.06693,1802.09131,etc |
| principal quantum number | 23 | 11 | 2.2 | 0.001361 | 1802.08587,1802.00782,etc |
| force field | 45 | 11 | 4.2 | 0.001355 | 1802.08771,1802.05341,etc |
| quantum dot | 36 | 14 | 2.692 | 0.001339 | 1802.06029,1802.10072,etc |
| Bessel function | 51 | 24 | 2.13 | 0.001309 | 1802.00384,1802.07602,etc |
| intermediate state | 44 | 18 | 2.529 | 0.001307 | 1802.04116,1802.10424,etc |
| information content | 24 | 11 | 2.3 | 0.001306 | 1802.05843,1802.04395,etc |
| sufficient condition | 39 | 15 | 2.714 | 0.001292 | 1802.04974,1802.08051,etc |
| large network | 33 | 12 | 2.818 | 0.001277 | 1802.03286,1802.05127,etc |
| transition rate | 64 | 11 | 6.3 | 0.001275 | 1802.01891,1802.03466,etc |
| complex network | 104 | 45 | 2.273 | 0.001265 | 1802.01200,1802.09131,etc |
| finite size effect | 26 | 11 | 2.5 | 0.001253 | 1802.00384,1802.06276,etc |
| experimental datum | 325 | 135 | 2.403 | 0.001247 | 1802.05540,1802.01394,etc |
| regular lattice | 28 | 12 | 2.364 | 0.001236 | 1802.01200,1802.05174,etc |
| analytical model | 73 | 21 | 2.7 | 0.001225 | 1802.09103,1802.06162,etc |
| social network | 92 | 33 | 2.844 | 0.001224 | 1802.02064,1802.01465,etc |
| system size | 85 | 37 | 2.333 | 0.001217 | 1802.03286,1802.02777,etc |
| community detection | 63 | 12 | 5.636 | 0.001206 | 1802.01288,1802.09618,etc |
| bond length | 41 | 15 | 2.857 | 0.001193 | 1802.06029,1802.05817,etc |
| normal direction | 26 | 11 | 2.5 | 0.001164 | 1802.04961,1802.00269,etc |
| Figure b | 89 | 29 | 3.143 | 0.001163 | 1802.05211,1802.06287,etc |
| shear stress | 42 | 20 | 2.158 | 0.001156 | 1802.02430,1802.03808,etc |
| odd number | 32 | 11 | 3.1 | 0.001149 | 1802.01200,1802.09912,etc |
| silicon wafer | 35 | 12 | 3.091 | 0.001138 | 1802.01313,1802.03456,etc |
| other node | 42 | 19 | 2.278 | 0.001134 | 1802.03286,1802.06015,etc |
| energy deposition | 40 | 16 | 2.4 | 0.001131 | 1802.06162,1802.04890,etc |
| pressure gradient | 58 | 28 | 2.074 | 0.001128 | 1802.10323,1802.08284,etc |
|