| complex amplitude | 49 | 17 | 3.0 | 0.005878 | 1909.03744,1909.04348,etc |
| gradient descent | 111 | 12 | 9.818 | 0.004477 | 1909.02487,1909.04451,etc |
| band gap | 176 | 32 | 4.742 | 0.004056 | 1909.01662,1909.01899,etc |
| single photon | 84 | 32 | 2.484 | 0.00366 | 1909.00641,1909.00728,etc |
| symmetry axis | 41 | 12 | 3.545 | 0.003599 | 1909.02073,1909.02458,etc |
| nonlinear response | 28 | 13 | 2.167 | 0.003557 | 1909.00022,1909.01662,etc |
| wind speed | 73 | 11 | 2.5 | 0.003547 | 1909.00132,1909.02069,etc |
| Dirac equation | 61 | 11 | 5.8 | 0.003484 | 1909.01021,1909.03222,etc |
| Hall effect | 61 | 11 | 5.7 | 0.003459 | 1909.01037,1909.02970,etc |
| surrogate model | 82 | 13 | 6.75 | 0.003423 | 1909.01660,1909.03280,etc |
| photon number | 58 | 16 | 3.533 | 0.003405 | 1909.02887,1909.04828,etc |
| active space | 82 | 13 | 5.5 | 0.003318 | 1909.06935,1909.07810,etc |
| edge state | 101 | 18 | 5.0 | 0.003184 | 1909.01037,1909.02081,etc |
| peak amplitude | 55 | 16 | 3.533 | 0.003158 | 1909.01941,1909.02520,etc |
| topological charge | 68 | 14 | 5.077 | 0.003155 | 1909.02213,1909.02887,etc |
| contact angle | 161 | 18 | 9.412 | 0.003015 | 1909.00775,1909.01088,etc |
| water molecule | 113 | 24 | 4.87 | 0.002967 | 1909.00775,1909.01024,etc |
| inertial range | 59 | 13 | 4.5 | 0.002843 | 1909.02907,1909.03525,etc |
| contact line | 130 | 22 | 6.095 | 0.002755 | 1909.00775,1909.01088,etc |
| neural network | 338 | 62 | 5.525 | 0.00271 | 1909.00912,1909.01946,etc |
| electric field | 638 | 147 | 4.363 | 0.002616 | 1909.00118,1909.00619,etc |
| cavity mode | 83 | 21 | 4.1 | 0.002532 | 1909.01210,1909.01396,etc |
| power density | 39 | 15 | 2.643 | 0.002515 | 1909.03122,1909.04480,etc |
| charge carrier | 79 | 18 | 4.471 | 0.002479 | 1909.01407,1909.04953,etc |
| Green' function | 154 | 41 | 3.8 | 0.002391 | 1909.00202,1909.00307,etc |
| energy resolution | 109 | 27 | 4.154 | 0.002382 | 1909.02207,1909.02898,etc |
| force field | 109 | 13 | 8.833 | 0.002298 | 1909.04413,1909.06780,etc |
| magnetic field strength | 78 | 19 | 4.278 | 0.002252 | 1909.02163,1909.02880,etc |
| Reynolds number | 356 | 77 | 4.671 | 0.002228 | 1909.00041,1909.01177,etc |
| Ising model | 55 | 15 | 3.857 | 0.002202 | 1909.00226,1909.08659,etc |
| porous medium | 106 | 21 | 5.25 | 0.002171 | 1909.01088,1909.01774,etc |
| interaction energy | 94 | 18 | 5.353 | 0.002166 | 1909.02110,1909.04512,etc |
| dark state | 27 | 12 | 2.364 | 0.002155 | 1909.02401,1909.02649,etc |
| volume fraction | 59 | 13 | 4.833 | 0.002145 | 1909.02327,1909.03280,etc |
| laser pulse | 168 | 43 | 3.976 | 0.002132 | 1909.00094,1909.00728,etc |
| resonance frequency | 111 | 39 | 2.895 | 0.002102 | 1909.00707,1909.01210,etc |
| adjacency matrix | 128 | 30 | 4.241 | 0.002093 | 1909.00226,1909.00653,etc |
| social system | 73 | 12 | 5.727 | 0.002066 | 1909.01493,1909.04208,etc |
| intensity profile | 35 | 14 | 2.615 | 0.002016 | 1909.02213,1909.04506,etc |
| interaction strength | 83 | 20 | 4.316 | 0.002015 | 1909.04360,1909.04932,etc |
| light beam | 64 | 18 | 3.706 | 0.00199 | 1909.00618,1909.00728,etc |
| conversion efficiency | 66 | 17 | 4.0 | 0.001988 | 1909.00022,1909.00106,etc |
| Rabi frequency | 104 | 30 | 3.552 | 0.001972 | 1909.00212,1909.01293,etc |
| Rydberg state | 79 | 22 | 3.238 | 0.001953 | 1909.01097,1909.01293,etc |
| thermal fluctuation | 68 | 28 | 2.481 | 0.001947 | 1909.00455,1909.02073,etc |
| heat transport | 37 | 16 | 2.333 | 0.001939 | 1909.02830,1909.03122,etc |
| finite temperature | 50 | 22 | 2.333 | 0.001909 | 1909.00455,1909.01097,etc |
| optical lattice | 65 | 24 | 2.783 | 0.001883 | 1909.01097,1909.03800,etc |
| scintillation light | 25 | 11 | 2.3 | 0.001872 | 1909.02207,1909.02520,etc |
| flow structure | 84 | 21 | 4.15 | 0.001858 | 1909.00041,1909.01287,etc |
| quantum field theory | 32 | 11 | 3.0 | 0.001857 | 1909.00860,1909.03222,etc |
| transition point | 43 | 13 | 3.417 | 0.00184 | 1909.03926,1909.03981,etc |
| coherent structure | 68 | 21 | 3.35 | 0.001837 | 1909.01489,1909.02122,etc |
| phonon mode | 32 | 11 | 3.0 | 0.001835 | 1909.02668,1909.05029,etc |
| magnetic field line | 60 | 20 | 3.053 | 0.001815 | 1909.01890,1909.02149,etc |
| correlation energy | 73 | 20 | 3.789 | 0.00181 | 1909.00307,1909.01589,etc |
| bulk material | 40 | 13 | 3.25 | 0.001805 | 1909.02110,1909.04512,etc |
| nonlinear interaction | 45 | 21 | 2.15 | 0.001795 | 1909.00728,1909.01662,etc |
| harmonic generation | 25 | 12 | 2.182 | 0.001787 | 1909.00728,1909.02174,etc |
| power law | 121 | 58 | 2.105 | 0.001776 | 1909.00054,1909.00226,etc |
| Rydberg atom | 67 | 18 | 3.588 | 0.001772 | 1909.01097,1909.02141,etc |
| momentum space | 82 | 27 | 3.077 | 0.001758 | 1909.00728,1909.01141,etc |
| mass flux | 32 | 14 | 2.231 | 0.001757 | 1909.01535,1909.04334,etc |
| Brownian motion | 50 | 22 | 2.286 | 0.001735 | 1909.01429,1909.01872,etc |
| degree distribution | 92 | 20 | 4.789 | 0.001724 | 1909.00226,1909.00397,etc |
| free space | 118 | 45 | 2.659 | 0.001706 | 1909.00665,1909.01001,etc |
| count rate | 46 | 12 | 4.091 | 0.001704 | 1909.02207,1909.02898,etc |
| no-slip condition | 43 | 17 | 2.625 | 0.001702 | 1909.01287,1909.01429,etc |
| original model | 42 | 19 | 2.278 | 0.00169 | 1909.01634,1909.02067,etc |
| ground state energy | 38 | 14 | 2.769 | 0.001666 | 1909.00728,1909.03762,etc |
| external magnetic field | 91 | 41 | 2.125 | 0.001633 | 1909.00777,1909.01001,etc |
| topological phase | 26 | 11 | 2.5 | 0.001607 | 1909.01037,1909.04828,etc |
| electron dynamic | 34 | 14 | 2.154 | 0.001597 | 1909.02149,1909.02158,etc |
| relative phase | 50 | 24 | 2.043 | 0.00158 | 1909.01186,1909.01396,etc |
| band edge | 34 | 15 | 2.357 | 0.001578 | 1909.04516,1909.06445,etc |
| cluster size | 69 | 16 | 4.533 | 0.001545 | 1909.02110,1909.02520,etc |
| band structure | 108 | 26 | 4.04 | 0.001514 | 1909.01097,1909.01662,etc |
| gas flow | 36 | 14 | 2.692 | 0.001512 | 1909.01535,1909.02073,etc |
| energy barrier | 51 | 17 | 2.562 | 0.001512 | 1909.06244,1909.08133,etc |
| training sample | 52 | 11 | 4.9 | 0.001511 | 1909.01946,1909.04451,etc |
| active particle | 31 | 11 | 2.7 | 0.001506 | 1909.02458,1909.02779,etc |
| film thickness | 42 | 15 | 2.929 | 0.001505 | 1909.01407,1909.02327,etc |
| Laplace equation | 25 | 12 | 2.182 | 0.001475 | 1909.03447,1909.04348,etc |
| thin film | 90 | 35 | 2.618 | 0.001471 | 1909.01088,1909.02327,etc |
| transition state | 47 | 14 | 3.538 | 0.001465 | 1909.04413,1909.07080,etc |
| Supplementary Information | 72 | 26 | 2.84 | 0.001459 | 1909.01546,1909.02487,etc |
| social network | 128 | 36 | 3.629 | 0.001457 | 1909.00226,1909.00397,etc |
| control parameter | 91 | 28 | 3.296 | 0.001455 | 1909.01088,1909.02073,etc |
| bottom wall | 37 | 15 | 2.571 | 0.001453 | 1909.00775,1909.01287,etc |
| training dataset | 44 | 19 | 2.389 | 0.00145 | 1909.02041,1909.03280,etc |
| Fourier space | 94 | 31 | 3.067 | 0.001445 | 1909.00663,1909.02722,etc |
| optical transition | 34 | 15 | 2.357 | 0.001438 | 1909.02633,1909.02649,etc |
| cost function | 64 | 26 | 2.52 | 0.001423 | 1909.01946,1909.03788,etc |
| reference datum | 48 | 18 | 2.353 | 0.001416 | 1909.00870,1909.01088,etc |
| basis set | 71 | 18 | 4.118 | 0.001412 | 1909.00093,1909.01021,etc |
| training datum | 169 | 51 | 3.36 | 0.001392 | 1909.00665,1909.00870,etc |
| tangential component | 40 | 16 | 2.6 | 0.001386 | 1909.01407,1909.01632,etc |
| liquid phase | 86 | 30 | 2.897 | 0.001368 | 1909.00054,1909.00619,etc |
| shear stress | 61 | 27 | 2.192 | 0.001367 | 1909.00132,1909.01307,etc |
| shear rate | 33 | 12 | 2.818 | 0.001367 | 1909.02073,1909.04243,etc |