| magnetic field line | 56 | 14 | 4.231 | 0.006849 | 1812.01056,1812.10827,etc |
| diffusion process | 53 | 14 | 3.846 | 0.004341 | 1812.03434,1812.08933,etc |
| photonic crystal | 95 | 21 | 3.25 | 0.004285 | 1812.02095,1812.04205,etc |
| coherent state | 61 | 14 | 3.385 | 0.003884 | 1812.01812,1812.07588,etc |
| background rate | 23 | 11 | 2.1 | 0.003676 | 1812.08191,1812.00411,etc |
| porous medium | 70 | 15 | 3.929 | 0.003641 | 1812.01085,1812.08366,etc |
| flow rate | 60 | 11 | 5.8 | 0.003541 | 1812.09352,1812.07085,etc |
| response function | 88 | 23 | 3.955 | 0.003522 | 1812.06742,1812.05512,etc |
| topological charge | 53 | 12 | 4.545 | 0.003329 | 1812.08805,1812.10216,etc |
| real network | 40 | 12 | 3.364 | 0.003176 | 1812.04206,1812.06471,etc |
| state vector | 39 | 14 | 2.692 | 0.00304 | 1812.01812,1812.04278,etc |
| transmission spectrum | 60 | 16 | 3.933 | 0.002831 | 1812.02095,1812.09317,etc |
| relative phase | 84 | 29 | 2.75 | 0.002757 | 1812.01812,1812.07789,etc |
| chemical reaction | 95 | 24 | 4.043 | 0.002751 | 1812.10845,1812.09032,etc |
| neural network | 272 | 59 | 4.672 | 0.002739 | 1812.05144,1812.00510,etc |
| turbulent boundary layer | 55 | 13 | 4.5 | 0.002647 | 1812.03754,1812.03762,etc |
| optical lattice | 51 | 17 | 3.125 | 0.002593 | 1812.02175,1812.03027,etc |
| probe field | 59 | 11 | 5.3 | 0.002593 | 1812.07789,1812.01912,etc |
| electric field | 516 | 134 | 3.872 | 0.002579 | 1812.04278,1812.00295,etc |
| lattice site | 45 | 17 | 2.562 | 0.002444 | 1812.07930,1812.11484,etc |
| optical cavity | 64 | 21 | 2.9 | 0.002423 | 1812.08926,1812.09720,etc |
| quantum dot | 41 | 14 | 3.077 | 0.002398 | 1812.08952,1812.01548,etc |
| explicit solution | 40 | 20 | 2.053 | 0.002393 | 1812.08805,1812.09425,etc |
| force field | 90 | 17 | 2.812 | 0.002357 | 1812.06742,1812.00061,etc |
| vertical velocity | 37 | 12 | 2.364 | 0.002334 | 1812.11237,1812.06422,etc |
| laser intensity | 83 | 25 | 3.417 | 0.002276 | 1812.07789,1812.11682,etc |
| magnetic field strength | 63 | 17 | 3.875 | 0.002263 | 1812.04278,1812.10827,etc |
| energy resolution | 96 | 33 | 2.969 | 0.002185 | 1812.08191,1812.07337,etc |
| interaction energy | 53 | 15 | 3.714 | 0.002167 | 1812.00061,1812.08385,etc |
| edge state | 79 | 15 | 5.571 | 0.00213 | 1812.02976,1812.05488,etc |
| laser pulse | 188 | 50 | 3.816 | 0.002129 | 1812.07588,1812.05983,etc |
| momentum distribution | 41 | 12 | 3.636 | 0.002081 | 1812.07758,1812.05757,etc |
| bias voltage | 41 | 11 | 4.0 | 0.002055 | 1812.09317,1812.01182,etc |
| cryogenic temperature | 32 | 11 | 2.7 | 0.002037 | 1812.01835,1812.10369,etc |
| vibrational state | 47 | 12 | 4.182 | 0.002018 | 1812.10495,1812.09466,etc |
| measurement time | 33 | 14 | 2.308 | 0.002002 | 1812.05983,1812.03842,etc |
| exact solution | 137 | 61 | 2.267 | 0.001997 | 1812.01983,1812.05512,etc |
| external electric field | 50 | 17 | 2.812 | 0.001993 | 1812.00295,1812.01182,etc |
| finite volume method | 30 | 11 | 2.6 | 0.001974 | 1812.05144,1812.08859,etc |
| displacement field | 27 | 12 | 2.273 | 0.001971 | 1812.00255,1812.08162,etc |
| laser cooling | 40 | 13 | 3.167 | 0.001962 | 1812.02115,1812.08651,etc |
| Schr"odinger equation | 53 | 21 | 2.6 | 0.001953 | 1812.09765,1812.08822,etc |
| interaction strength | 57 | 18 | 3.294 | 0.0019 | 1812.07884,1812.11682,etc |
| surface tension | 110 | 30 | 3.724 | 0.001898 | 1812.07884,1812.09990,etc |
| local minimum | 40 | 19 | 2.167 | 0.00187 | 1812.08654,1812.09352,etc |
| band gap | 92 | 24 | 3.0 | 0.001846 | 1812.02095,1812.04921,etc |
| atom number | 38 | 12 | 3.364 | 0.001822 | 1812.01258,1812.10313,etc |
| reaction rate | 44 | 14 | 3.308 | 0.00177 | 1812.08401,1812.00191,etc |
| matrix element | 181 | 58 | 3.105 | 0.001758 | 1812.01812,1812.00227,etc |
| social network | 96 | 24 | 4.13 | 0.001756 | 1812.04206,1812.08933,etc |
| Reynolds number | 299 | 63 | 4.774 | 0.001752 | 1812.05144,1812.03262,etc |
| grid cell | 35 | 12 | 3.091 | 0.001751 | 1812.01056,1812.06840,etc |
| asymptotic behavior | 60 | 23 | 2.318 | 0.001711 | 1812.03199,1812.10827,etc |
| band structure | 73 | 22 | 3.286 | 0.0017 | 1812.03112,1812.08926,etc |
| thin film | 54 | 23 | 2.318 | 0.00167 | 1812.04658,1812.03270,etc |
| molecular structure | 24 | 12 | 2.091 | 0.00167 | 1812.04986,1812.01775,etc |
| strong magnetic field | 47 | 21 | 2.15 | 0.001665 | 1812.04278,1812.10313,etc |
| laser power | 48 | 23 | 2.136 | 0.001664 | 1812.01028,1812.06892,etc |
| complex network | 72 | 25 | 2.958 | 0.00165 | 1812.10845,1812.05325,etc |
| unit cell | 250 | 58 | 4.368 | 0.001618 | 1812.00295,1812.06592,etc |
| mean-field approximation | 38 | 12 | 3.182 | 0.001606 | 1812.01827,1812.07522,etc |
| optical mode | 39 | 16 | 2.533 | 0.0016 | 1812.07588,1812.10313,etc |
| resonance frequency | 99 | 47 | 2.13 | 0.00159 | 1812.04658,1812.08926,etc |
| laser field | 129 | 43 | 3.048 | 0.001573 | 1812.07789,1812.09959,etc |
| basis set | 65 | 16 | 4.267 | 0.001564 | 1812.08822,1812.11911,etc |
| volume fraction | 43 | 13 | 3.5 | 0.001554 | 1812.09929,1812.01365,etc |
| room temperature | 179 | 75 | 2.392 | 0.001509 | 1812.07588,1812.06845,etc |
| cavity mode | 56 | 20 | 2.895 | 0.001487 | 1812.04465,1812.06789,etc |
| boundary condition | 569 | 165 | 3.463 | 0.001471 | 1812.09156,1812.00295,etc |
| basis function | 159 | 44 | 3.465 | 0.001455 | 1812.09032,1812.01056,etc |
| quantum theory | 50 | 18 | 2.765 | 0.001444 | 1812.08594,1812.02557,etc |
| fluid domain | 32 | 11 | 2.3 | 0.001419 | 1812.10167,1812.09196,etc |
| curved spacetime | 28 | 11 | 2.5 | 0.001394 | 1812.01985,1812.01983,etc |
| adverse pressure gradient | 27 | 11 | 2.3 | 0.001391 | 1812.03754,1812.06741,etc |
| average energy | 42 | 21 | 2.05 | 0.001391 | 1812.01294,1812.02590,etc |
| thermodynamic limit | 45 | 15 | 2.786 | 0.00139 | 1812.06471,1812.07522,etc |
| Maxwell' equation | 91 | 26 | 3.52 | 0.001389 | 1812.04547,1812.00953,etc |
| vibrational mode | 35 | 13 | 2.833 | 0.001373 | 1812.08926,1812.10495,etc |
| rotation angle | 70 | 14 | 5.308 | 0.001373 | 1812.04547,1812.01430,etc |
| Supplementary Information | 58 | 22 | 2.714 | 0.001366 | 1812.07588,1812.03199,etc |
| external magnetic field | 64 | 30 | 2.172 | 0.001362 | 1812.04658,1812.10881,etc |
| present method | 52 | 16 | 3.4 | 0.001359 | 1812.05679,1812.06840,etc |
| pressure field | 64 | 27 | 2.423 | 0.001337 | 1812.06840,1812.04931,etc |
| joint distribution | 45 | 13 | 3.667 | 0.001316 | 1812.05325,1812.03199,etc |
| Supporting Information | 63 | 15 | 4.429 | 0.001309 | 1812.09032,1812.00298,etc |
| dipole approximation | 37 | 15 | 2.5 | 0.001306 | 1812.07789,1812.08822,etc |
| temperature difference | 44 | 12 | 2.273 | 0.001292 | 1812.09156,1812.04572,etc |
| adjacency matrix | 57 | 22 | 2.476 | 0.001288 | 1812.04206,1812.06471,etc |
| degree distribution | 56 | 19 | 2.833 | 0.00128 | 1812.10845,1812.06471,etc |
| optical transition | 30 | 14 | 2.077 | 0.001276 | 1812.01812,1812.01182,etc |
| network size | 27 | 13 | 2.167 | 0.001275 | 1812.10845,1812.04734,etc |
| transition energy | 29 | 11 | 2.8 | 0.001266 | 1812.07789,1812.00011,etc |
| quantum field theory | 40 | 17 | 2.438 | 0.00125 | 1812.01985,1812.09765,etc |
| initial datum | 77 | 15 | 5.429 | 0.001244 | 1812.02539,1812.03292,etc |
| particle motion | 33 | 16 | 2.133 | 0.001239 | 1812.04278,1812.06889,etc |
| transfer matrix | 53 | 14 | 3.769 | 0.001235 | 1812.08926,1812.04921,etc |
| Green' function | 64 | 21 | 3.05 | 0.001232 | 1812.05631,1812.09156,etc |
| image quality | 35 | 15 | 2.429 | 0.00122 | 1812.00510,1812.11206,etc |
| experimental datum | 372 | 143 | 2.613 | 0.001214 | 1812.01812,1812.01258,etc |
| optimization problem | 46 | 19 | 2.444 | 0.001206 | 1812.00510,1812.09156,etc |
|