| laser field | 44 | 20 | 2.053 | 0.006338 | 1805.12370,1805.05669,etc |
| neural network | 203 | 30 | 6.931 | 0.004935 | 1805.07439,1805.05439,etc |
| degree distribution | 51 | 19 | 2.722 | 0.004182 | 1805.03679,1805.09358,etc |
| basis set | 77 | 14 | 5.846 | 0.003409 | 1805.12225,1805.08746,etc |
| porous medium | 131 | 13 | 10.0 | 0.003406 | 1805.05701,1805.04762,etc |
| coherent state | 78 | 18 | 4.529 | 0.00324 | 1805.01989,1805.12248,etc |
| cavity mode | 68 | 22 | 3.19 | 0.003226 | 1805.09184,1805.03082,etc |
| quantum theory | 160 | 28 | 5.852 | 0.003224 | 1805.00834,1805.08167,etc |
| photon pair | 33 | 11 | 3.1 | 0.002691 | 1805.07014,1805.07420,etc |
| contact angle | 79 | 12 | 7.091 | 0.002602 | 1805.03058,1805.01435,etc |
| surface area | 50 | 18 | 2.882 | 0.002557 | 1805.02998,1805.06931,etc |
| Rabi frequency | 70 | 17 | 4.188 | 0.002532 | 1805.09265,1805.03422,etc |
| Supplemental Material | 24 | 12 | 2.091 | 0.002502 | 1805.00793,1805.12370,etc |
| energy resolution | 47 | 14 | 3.538 | 0.002425 | 1805.06674,1805.10164,etc |
| social network | 129 | 37 | 3.528 | 0.002417 | 1805.06103,1805.01171,etc |
| frequency comb | 41 | 13 | 3.167 | 0.00239 | 1805.07056,1805.11805,etc |
| community structure | 83 | 20 | 4.316 | 0.002381 | 1805.07484,1805.00475,etc |
| Reynolds number | 186 | 47 | 4.022 | 0.002366 | 1805.03058,1805.02998,etc |
| complex network | 71 | 24 | 2.87 | 0.00234 | 1805.02270,1805.05701,etc |
| surface tension | 124 | 31 | 4.1 | 0.002319 | 1805.03058,1805.03256,etc |
| optomechanical system | 31 | 11 | 2.5 | 0.002247 | 1805.03082,1805.02502,etc |
| beam axis | 45 | 13 | 3.583 | 0.002176 | 1805.08123,1805.01824,etc |
| band structure | 46 | 13 | 3.75 | 0.002172 | 1805.08161,1805.11263,etc |
| electric field | 468 | 139 | 3.37 | 0.002155 | 1805.00793,1805.01821,etc |
| dynamical system | 90 | 31 | 2.867 | 0.002092 | 1805.00834,1805.09718,etc |
| particle number | 67 | 18 | 3.765 | 0.002087 | 1805.08161,1805.03506,etc |
| pure state | 154 | 21 | 7.55 | 0.002072 | 1805.07014,1805.07420,etc |
| optical mode | 53 | 19 | 2.889 | 0.00207 | 1805.05439,1805.02502,etc |
| entangled state | 35 | 13 | 2.583 | 0.002062 | 1805.07014,1805.07420,etc |
| dipole-dipole interaction | 54 | 11 | 4.8 | 0.001991 | 1805.10930,1805.04314,etc |
| density operator | 53 | 14 | 4.0 | 0.001969 | 1805.09756,1805.07539,etc |
| system size | 141 | 43 | 3.286 | 0.001857 | 1805.00538,1805.07447,etc |
| local structure | 46 | 12 | 4.0 | 0.001853 | 1805.07484,1805.01202,etc |
| physical system | 143 | 44 | 3.302 | 0.001852 | 1805.08301,1805.06977,etc |
| quantum mechanic | 259 | 70 | 3.725 | 0.001838 | 1805.09756,1805.08179,etc |
| null model | 42 | 11 | 3.9 | 0.001834 | 1805.09966,1805.06740,etc |
| shear stress | 46 | 11 | 4.4 | 0.001814 | 1805.03058,1805.08167,etc |
| flow field | 105 | 29 | 3.643 | 0.001796 | 1805.03058,1805.09756,etc |
| second law | 48 | 11 | 4.6 | 0.001794 | 1805.00834,1805.01989,etc |
| grid cell | 28 | 13 | 2.25 | 0.001752 | 1805.11673,1805.06416,etc |
| optical cavity | 58 | 23 | 2.455 | 0.001735 | 1805.03287,1805.03082,etc |
| mode number | 42 | 14 | 3.154 | 0.00173 | 1805.01821,1805.01466,etc |
| water molecule | 25 | 12 | 2.182 | 0.001719 | 1805.03458,1805.06195,etc |
| light beam | 45 | 16 | 2.933 | 0.001709 | 1805.11515,1805.08274,etc |
| fluid flow | 84 | 30 | 2.862 | 0.001692 | 1805.02998,1805.01435,etc |
| velocity fluctuation | 33 | 11 | 3.2 | 0.001687 | 1805.01494,1805.01030,etc |
| different energy | 29 | 12 | 2.455 | 0.001672 | 1805.01373,1805.09611,etc |
| probe beam | 57 | 16 | 3.467 | 0.001653 | 1805.03082,1805.09611,etc |
| power law | 150 | 54 | 2.811 | 0.001652 | 1805.03679,1805.00793,etc |
| detector response | 32 | 13 | 2.5 | 0.001633 | 1805.00020,1805.00073,etc |
| hydrogen atom | 42 | 16 | 2.733 | 0.001606 | 1805.09878,1805.03458,etc |
| drag force | 64 | 17 | 3.938 | 0.00158 | 1805.03058,1805.06123,etc |
| source term | 64 | 27 | 2.423 | 0.001577 | 1805.01202,1805.07447,etc |
| long-range interaction | 24 | 11 | 2.3 | 0.001499 | 1805.03679,1805.03422,etc |
| friction coefficient | 32 | 12 | 2.727 | 0.001487 | 1805.04762,1805.07933,etc |
| quantum system | 97 | 44 | 2.186 | 0.001468 | 1805.09756,1805.08179,etc |
| nonlinear regime | 41 | 14 | 3.077 | 0.001439 | 1805.01249,1805.00129,etc |
| lattice site | 41 | 16 | 2.6 | 0.001438 | 1805.03564,1805.01356,etc |
| single photon | 68 | 26 | 2.6 | 0.001424 | 1805.03287,1805.08179,etc |
| transition rate | 51 | 13 | 4.167 | 0.001411 | 1805.06103,1805.02757,etc |
| output state | 36 | 11 | 3.4 | 0.001409 | 1805.07420,1805.01989,etc |
| complex system | 77 | 38 | 2.054 | 0.001385 | 1805.03679,1805.09756,etc |
| plasma density | 48 | 23 | 2.136 | 0.001384 | 1805.01821,1805.06123,etc |
| Fourier space | 35 | 15 | 2.286 | 0.001384 | 1805.08236,1805.02128,etc |
| flow rate | 43 | 13 | 3.5 | 0.001375 | 1805.05701,1805.03247,etc |
| dissipation rate | 65 | 17 | 3.812 | 0.001358 | 1805.01249,1805.02502,etc |
| molecular system | 35 | 16 | 2.267 | 0.001349 | 1805.00814,1805.06195,etc |
| strong magnetic field | 23 | 11 | 2.2 | 0.001335 | 1805.05951,1805.01793,etc |
| real network | 24 | 11 | 2.1 | 0.001293 | 1805.03679,1805.00894,etc |
| optical transition | 30 | 14 | 2.231 | 0.001277 | 1805.00073,1805.06884,etc |
| thermodynamic limit | 47 | 16 | 3.067 | 0.001274 | 1805.03422,1805.06797,etc |
| local maximum | 39 | 14 | 2.923 | 0.001263 | 1805.01202,1805.11220,etc |
| density gradient | 60 | 20 | 3.053 | 0.00126 | 1805.05951,1805.01312,etc |
| maximum amplitude | 29 | 13 | 2.333 | 0.001256 | 1805.03799,1805.07283,etc |
| magnetic field line | 52 | 14 | 3.923 | 0.001251 | 1805.01824,1805.01466,etc |
| matrix element | 147 | 55 | 2.704 | 0.001238 | 1805.06103,1805.01762,etc |
| laser pulse | 88 | 35 | 2.559 | 0.001236 | 1805.05647,1805.12370,etc |
| second moment | 49 | 23 | 2.182 | 0.001227 | 1805.06103,1805.10422,etc |
| composite system | 28 | 12 | 2.182 | 0.001225 | 1805.09756,1805.01989,etc |
| Langevin equation | 50 | 14 | 2.769 | 0.001225 | 1805.03794,1805.04630,etc |
| Supplementary Information | 52 | 17 | 2.875 | 0.001208 | 1805.03256,1805.05733,etc |
| input state | 42 | 18 | 2.294 | 0.001206 | 1805.03287,1805.07014,etc |
| solid boundary | 25 | 11 | 2.4 | 0.001198 | 1805.06416,1805.11642,etc |
| state vector | 39 | 13 | 3.167 | 0.001194 | 1805.03679,1805.03794,etc |
| state space | 89 | 18 | 4.412 | 0.001194 | 1805.09756,1805.06103,etc |
| quantum number | 67 | 25 | 2.708 | 0.001193 | 1805.08161,1805.02757,etc |
| stationary distribution | 44 | 12 | 3.273 | 0.001191 | 1805.07484,1805.09756,etc |
| gas phase | 49 | 18 | 2.824 | 0.001176 | 1805.00129,1805.00073,etc |
| correlation time | 28 | 11 | 2.7 | 0.001173 | 1805.09718,1805.04630,etc |
| imaginary part | 170 | 69 | 2.485 | 0.001165 | 1805.09265,1805.09718,etc |
| training datum | 81 | 26 | 3.08 | 0.001159 | 1805.12353,1805.10503,etc |
| liquid phase | 43 | 18 | 2.471 | 0.001159 | 1805.07608,1805.01793,etc |
| inertial range | 49 | 13 | 3.917 | 0.001158 | 1805.01249,1805.04630,etc |
| room temperature | 144 | 68 | 2.134 | 0.001125 | 1805.03082,1805.09265,etc |
| electron energy | 29 | 12 | 2.091 | 0.001124 | 1805.03458,1805.05951,etc |
| laboratory frame | 64 | 13 | 5.25 | 0.001121 | 1805.01824,1805.02027,etc |
| chemical reaction | 52 | 26 | 2.04 | 0.001119 | 1805.00834,1805.03806,etc |
| laser light | 40 | 19 | 2.167 | 0.001114 | 1805.05647,1805.05439,etc |
| exact solution | 108 | 50 | 2.184 | 0.001114 | 1805.02975,1805.00308,etc |
| volume fraction | 49 | 13 | 3.75 | 0.001104 | 1805.03058,1805.09878,etc |
|