| contact line | 65 | 11 | 6.3 | 0.005639 | 2001.00603,2001.00966,etc |
| degree distribution | 112 | 18 | 6.529 | 0.003622 | 2001.02596,2001.02677,etc |
| cavity mode | 74 | 18 | 4.294 | 0.003614 | 2001.01750,2001.04596,etc |
| Green' function | 106 | 25 | 4.375 | 0.003482 | 2001.02096,2001.03162,etc |
| Rydberg state | 106 | 18 | 6.118 | 0.003426 | 2001.00416,2001.04224,etc |
| limit cycle | 39 | 12 | 3.455 | 0.003395 | 2001.00957,2001.03446,etc |
| posterior distribution | 48 | 16 | 2.8 | 0.003394 | 2001.01335,2001.01803,etc |
| conversion efficiency | 66 | 12 | 5.727 | 0.003373 | 2001.01709,2001.02049,etc |
| phase separation | 129 | 17 | 7.938 | 0.003282 | 2001.01677,2001.05646,etc |
| neural network | 249 | 56 | 4.509 | 0.003247 | 2001.00111,2001.00972,etc |
| network science | 52 | 16 | 3.4 | 0.003173 | 2001.01059,2001.02596,etc |
| two-level atom | 39 | 12 | 3.455 | 0.003146 | 2001.01901,2001.03193,etc |
| water molecule | 86 | 13 | 6.5 | 0.003015 | 2001.00107,2001.02136,etc |
| optical lattice | 74 | 17 | 4.562 | 0.003015 | 2001.02821,2001.04599,etc |
| vertical velocity | 36 | 17 | 2.188 | 0.002721 | 2001.01576,2001.01609,etc |
| volume fraction | 63 | 18 | 3.118 | 0.002597 | 2001.00867,2001.01601,etc |
| single photon | 89 | 25 | 3.625 | 0.002572 | 2001.01901,2001.02655,etc |
| electric field | 670 | 158 | 4.223 | 0.002521 | 2001.00237,2001.00531,etc |
| Ising model | 42 | 12 | 3.636 | 0.002517 | 2001.00247,2001.01059,etc |
| band gap | 180 | 41 | 4.425 | 0.002489 | 2001.00824,2001.00839,etc |
| oxygen atom | 34 | 14 | 2.462 | 0.002481 | 2001.00247,2001.01548,etc |
| nonlinear regime | 33 | 11 | 3.2 | 0.002456 | 2001.02422,2001.02445,etc |
| spin-orbit interaction | 30 | 13 | 2.083 | 0.002388 | 2001.01907,2001.04848,etc |
| thermal expansion | 32 | 13 | 2.167 | 0.002252 | 2001.01609,2001.03073,etc |
| Rydberg atom | 75 | 13 | 5.75 | 0.002201 | 2001.02821,2001.04455,etc |
| dipole approximation | 33 | 11 | 3.1 | 0.002196 | 2001.00646,2001.00965,etc |
| gamma ray | 60 | 13 | 4.833 | 0.00214 | 2001.00957,2001.01470,etc |
| collective effect | 51 | 12 | 4.545 | 0.002047 | 2001.00957,2001.01750,etc |
| surface roughness | 52 | 19 | 2.833 | 0.002044 | 2001.00433,2001.00446,etc |
| unit cell | 201 | 47 | 4.326 | 0.002018 | 2001.00371,2001.00824,etc |
| optical field | 45 | 20 | 2.316 | 0.00201 | 2001.01709,2001.01991,etc |
| chemical reaction | 69 | 27 | 2.5 | 0.002 | 2001.00848,2001.00966,etc |
| quantum dot | 62 | 22 | 2.81 | 0.001994 | 2001.02136,2001.03446,etc |
| quantum computer | 67 | 13 | 5.5 | 0.001987 | 2001.00646,2001.03406,etc |
| pressure gradient | 92 | 25 | 3.792 | 0.001985 | 2001.01521,2001.01648,etc |
| internal state | 32 | 11 | 3.0 | 0.001967 | 2001.05579,2001.06332,etc |
| bias voltage | 79 | 20 | 3.842 | 0.001963 | 2001.01209,2001.01341,etc |
| laser pulse | 140 | 40 | 3.564 | 0.001956 | 2001.00422,2001.00646,etc |
| barrier height | 36 | 11 | 3.4 | 0.001956 | 2001.02989,2001.03300,etc |
| probe beam | 46 | 12 | 2.818 | 0.001901 | 2001.05038,2001.05521,etc |
| photonic crystal | 80 | 23 | 3.409 | 0.001888 | 2001.00371,2001.00824,etc |
| plasma density | 78 | 24 | 3.217 | 0.001847 | 2001.00535,2001.00957,etc |
| entangled state | 39 | 12 | 3.0 | 0.001827 | 2001.01120,2001.10009,etc |
| background event | 35 | 12 | 3.091 | 0.001796 | 2001.01470,2001.01476,etc |
| light beam | 28 | 14 | 2.077 | 0.001772 | 2001.00333,2001.03193,etc |
| central frequency | 40 | 17 | 2.438 | 0.001756 | 2001.04658,2001.05561,etc |
| classical physics | 44 | 12 | 3.909 | 0.001751 | 2001.00101,2001.00909,etc |
| Reynolds number | 145 | 40 | 3.538 | 0.00175 | 2001.00848,2001.01020,etc |
| integral equation | 48 | 19 | 2.556 | 0.00175 | 2001.01576,2001.02904,etc |
| initial datum | 48 | 13 | 3.917 | 0.001733 | 2001.01570,2001.02032,etc |
| free surface | 69 | 23 | 3.091 | 0.00171 | 2001.00995,2001.02049,etc |
| periodic solution | 44 | 11 | 3.8 | 0.001705 | 2001.02078,2001.03446,etc |
| transmission spectrum | 49 | 19 | 2.667 | 0.001704 | 2001.00371,2001.01165,etc |
| analytical model | 65 | 19 | 2.333 | 0.001694 | 2001.02256,2001.03582,etc |
| surface tension | 88 | 26 | 3.24 | 0.001688 | 2001.00446,2001.00603,etc |
| inertial range | 73 | 15 | 5.071 | 0.001683 | 2001.02422,2001.05588,etc |
| laser beam | 105 | 46 | 2.222 | 0.00165 | 2001.00246,2001.00535,etc |
| case study | 48 | 14 | 3.615 | 0.001647 | 2001.02964,2001.03197,etc |
| two-level system | 61 | 20 | 3.105 | 0.001639 | 2001.02763,2001.05579,etc |
| laser intensity | 118 | 31 | 3.9 | 0.001637 | 2001.00839,2001.00957,etc |
| basis set | 61 | 15 | 4.286 | 0.001636 | 2001.00107,2001.00416,etc |
| average degree | 38 | 11 | 3.2 | 0.001629 | 2001.04188,2001.08132,etc |
| laser cooling | 53 | 12 | 4.727 | 0.00162 | 2001.03193,2001.05210,etc |
| optical mode | 46 | 18 | 2.647 | 0.001608 | 2001.01341,2001.02210,etc |
| band structure | 97 | 36 | 2.743 | 0.001587 | 2001.00371,2001.00839,etc |
| system size | 145 | 44 | 3.349 | 0.001531 | 2001.00379,2001.00416,etc |
| Rabi frequency | 76 | 21 | 3.75 | 0.001503 | 2001.03193,2001.04455,etc |
| quantum emitter | 39 | 14 | 2.769 | 0.00146 | 2001.01901,2001.04596,etc |
| energy resolution | 81 | 30 | 2.759 | 0.00145 | 2001.01356,2001.01470,etc |
| single molecule | 36 | 12 | 3.182 | 0.00144 | 2001.01750,2001.02554,etc |
| external magnetic field | 75 | 37 | 2.056 | 0.001439 | 2001.00371,2001.00646,etc |
| quantum mechanic | 131 | 49 | 2.458 | 0.001437 | 2001.00101,2001.00237,etc |
| energy gain | 43 | 13 | 3.0 | 0.001437 | 2001.00957,2001.02599,etc |
| force field | 35 | 13 | 2.833 | 0.001433 | 2001.00972,2001.01616,etc |
| real network | 49 | 11 | 4.8 | 0.001417 | 2001.01719,2001.03218,etc |
| triplet state | 33 | 13 | 2.667 | 0.001399 | 2001.04111,2001.04890,etc |
| Supporting Information | 81 | 23 | 3.636 | 0.00139 | 2001.00793,2001.01750,etc |
| peak intensity | 53 | 24 | 2.217 | 0.00138 | 2001.00646,2001.02206,etc |
| analytical solution | 139 | 55 | 2.556 | 0.001365 | 2001.00344,2001.00531,etc |
| flow rate | 62 | 14 | 3.769 | 0.001343 | 2001.01831,2001.02030,etc |
| rate equation | 37 | 15 | 2.571 | 0.00134 | 2001.00777,2001.01059,etc |
| network size | 38 | 17 | 2.312 | 0.001321 | 2001.02677,2001.03218,etc |
| loss function | 103 | 31 | 3.4 | 0.001291 | 2001.00972,2001.01678,etc |
| electron-hole pair | 34 | 15 | 2.286 | 0.001288 | 2001.00839,2001.01341,etc |
| complex network | 58 | 20 | 3.0 | 0.001273 | 2001.03218,2001.04188,etc |
| tight-binding model | 32 | 15 | 2.214 | 0.001272 | 2001.00793,2001.08630,etc |
| experimental datum | 384 | 163 | 2.364 | 0.001271 | 2001.00070,2001.00101,etc |
| image quality | 30 | 11 | 2.7 | 0.00127 | 2001.02248,2001.02726,etc |
| phonon mode | 32 | 11 | 3.0 | 0.001247 | 2001.00344,2001.09958,etc |
| active space | 54 | 11 | 4.9 | 0.001244 | 2001.00416,2001.02206,etc |
| singular value | 43 | 11 | 4.2 | 0.001239 | 2001.02785,2001.03163,etc |
| sufficient condition | 46 | 23 | 2.045 | 0.001237 | 2001.01488,2001.02146,etc |
| flow field | 106 | 39 | 2.763 | 0.001237 | 2001.01638,2001.01971,etc |
| atom number | 29 | 12 | 2.273 | 0.001219 | 2001.02317,2001.05206,etc |
| training datum | 123 | 34 | 3.424 | 0.001216 | 2001.00972,2001.02464,etc |
| output power | 38 | 15 | 2.643 | 0.001215 | 2001.03446,2001.04455,etc |
| mutual information | 55 | 13 | 2.417 | 0.001212 | 2001.00537,2001.04890,etc |
| kernel function | 40 | 13 | 3.167 | 0.001208 | 2001.02765,2001.03163,etc |
| light field | 36 | 12 | 3.182 | 0.001206 | 2001.03193,2001.04871,etc |
| cold atom | 44 | 16 | 2.667 | 0.001202 | 2001.01750,2001.04892,etc |
|