| time instant | 53 | 11 | 5.2 | 0.006604 | 1504.02233,1504.04193,etc |
| community structure | 66 | 13 | 5.417 | 0.006365 | 1504.02656,1504.05717,etc |
| probability density function | 71 | 25 | 2.917 | 0.004914 | 1504.02233,1504.00945,etc |
| probe field | 94 | 12 | 8.091 | 0.004792 | 1504.01902,1504.06693,etc |
| electron beam | 101 | 18 | 5.824 | 0.004588 | 1504.06803,1504.08171,etc |
| binding energy | 97 | 16 | 6.267 | 0.004469 | 1504.01592,1504.05888,etc |
| quantum dot | 44 | 12 | 3.273 | 0.004373 | 1504.06803,1504.05787,etc |
| chemical reaction | 65 | 19 | 3.111 | 0.004339 | 1504.04205,1504.04562,etc |
| black hole | 44 | 14 | 3.308 | 0.004128 | 1504.03225,1504.04320,etc |
| diatomic molecule | 54 | 13 | 4.0 | 0.003851 | 1504.07659,1504.08326,etc |
| water molecule | 84 | 14 | 6.385 | 0.00374 | 1504.07351,1504.04562,etc |
| charge transfer | 60 | 11 | 3.7 | 0.003439 | 1504.07351,1504.03059,etc |
| group velocity | 59 | 22 | 2.571 | 0.003406 | 1504.00734,1504.04761,etc |
| simulation time | 25 | 11 | 2.4 | 0.003196 | 1504.02233,1504.05944,etc |
| configuration space | 58 | 16 | 3.8 | 0.002999 | 1504.02999,1504.05799,etc |
| phase transition | 116 | 28 | 4.259 | 0.002849 | 1504.05027,1504.02366,etc |
| magnetic moment | 68 | 25 | 2.375 | 0.002787 | 1504.07497,1504.00132,etc |
| quantum theory | 50 | 15 | 3.5 | 0.002787 | 1504.03225,1504.02056,etc |
| electric field | 424 | 101 | 4.22 | 0.002679 | 1504.04829,1504.02327,etc |
| boundary layer | 102 | 12 | 7.818 | 0.002619 | 1504.01609,1504.02855,etc |
| limit cycle | 59 | 11 | 5.8 | 0.002594 | 1504.04409,1504.05794,etc |
| transition frequency | 48 | 15 | 3.357 | 0.002568 | 1504.07659,1504.06803,etc |
| transmission spectrum | 35 | 12 | 2.909 | 0.002504 | 1504.02592,1504.06803,etc |
| degree distribution | 93 | 22 | 4.238 | 0.002441 | 1504.02265,1504.04235,etc |
| diffusion process | 37 | 14 | 2.769 | 0.002394 | 1504.02999,1504.07101,etc |
| magnetic field | 562 | 128 | 4.331 | 0.002364 | 1504.04829,1504.07497,etc |
| energy resolution | 100 | 20 | 4.053 | 0.002321 | 1504.04281,1504.03612,etc |
| statistical mechanic | 50 | 16 | 2.933 | 0.002313 | 1504.02384,1504.02056,etc |
| noise level | 47 | 17 | 2.812 | 0.002269 | 1504.03849,1504.05743,etc |
| general relativity | 38 | 13 | 3.0 | 0.00219 | 1504.03225,1504.04320,etc |
| external magnetic field | 52 | 17 | 2.562 | 0.002173 | 1504.08234,1504.02056,etc |
| vector field | 45 | 18 | 2.529 | 0.002116 | 1504.07497,1504.02056,etc |
| social network | 169 | 31 | 5.533 | 0.002109 | 1504.05567,1504.03306,etc |
| flow field | 43 | 15 | 3.0 | 0.002061 | 1504.02233,1504.04957,etc |
| covariance matrix | 56 | 12 | 5.0 | 0.002025 | 1504.07429,1504.04409,etc |
| transition probability | 47 | 16 | 3.067 | 0.002005 | 1504.03023,1504.01688,etc |
| pulse duration | 57 | 17 | 3.375 | 0.001987 | 1504.00132,1504.01682,etc |
| propagation distance | 25 | 12 | 2.182 | 0.001977 | 1504.03865,1504.06412,etc |
| conservation law | 36 | 12 | 3.0 | 0.001974 | 1504.03849,1504.02378,etc |
| power law | 104 | 35 | 3.0 | 0.001973 | 1504.02999,1504.06003,etc |
| molecular system | 48 | 13 | 3.917 | 0.001973 | 1504.03143,1504.03708,etc |
| phase velocity | 52 | 12 | 4.636 | 0.001966 | 1504.06034,1504.01609,etc |
| Poisson equation | 38 | 15 | 2.643 | 0.001915 | 1504.05030,1504.06182,etc |
| quantum effect | 39 | 11 | 3.6 | 0.001904 | 1504.04409,1504.04939,etc |
| band gap | 72 | 18 | 4.176 | 0.001886 | 1504.01592,1504.06803,etc |
| diffusion equation | 27 | 11 | 2.6 | 0.001884 | 1504.04205,1504.02999,etc |
| Maxwell' equation | 48 | 16 | 3.133 | 0.001883 | 1504.03849,1504.06182,etc |
| electromagnetic field | 127 | 47 | 2.739 | 0.00187 | 1504.07497,1504.08046,etc |
| solar wind | 74 | 13 | 5.25 | 0.001867 | 1504.02999,1504.06253,etc |
| laser beam | 66 | 32 | 2.097 | 0.001866 | 1504.00132,1504.01886,etc |
| electronic state | 40 | 16 | 2.067 | 0.001835 | 1504.01758,1504.08326,etc |
| steady state | 125 | 43 | 2.952 | 0.001818 | 1504.05641,1504.02233,etc |
| free energy | 113 | 35 | 3.294 | 0.001811 | 1504.05799,1504.03143,etc |
| average degree | 76 | 21 | 3.65 | 0.001808 | 1504.04639,1504.05027,etc |
| laser pulse | 98 | 30 | 3.345 | 0.001807 | 1504.06034,1504.00132,etc |
| quantum mechanic | 205 | 37 | 5.667 | 0.001793 | 1504.07497,1504.03225,etc |
| inertial effect | 32 | 13 | 2.583 | 0.001766 | 1504.03922,1504.02309,etc |
| wave function | 209 | 44 | 4.837 | 0.001759 | 1504.07497,1504.00269,etc |
| absorption spectrum | 38 | 13 | 2.667 | 0.001757 | 1504.05970,1504.07867,etc |
| decay rate | 58 | 26 | 2.24 | 0.001755 | 1504.01758,1504.06803,etc |
| photonic crystal | 67 | 14 | 5.077 | 0.001754 | 1504.05970,1504.06803,etc |
| critical point | 91 | 30 | 3.034 | 0.001734 | 1504.05027,1504.01758,etc |
| optical lattice | 40 | 11 | 3.9 | 0.001731 | 1504.00734,1504.00623,etc |
| critical value | 107 | 42 | 2.561 | 0.001724 | 1504.07351,1504.05641,etc |
| reference frame | 56 | 22 | 2.238 | 0.001724 | 1504.03865,1504.03734,etc |
| density profile | 42 | 14 | 2.769 | 0.001683 | 1504.04205,1504.07351,etc |
| total angular momentum | 26 | 11 | 2.5 | 0.001678 | 1504.02674,1504.01688,etc |
| Rabi frequency | 30 | 14 | 2.231 | 0.001671 | 1504.01886,1504.01285,etc |
| diffusion coefficient | 96 | 27 | 3.577 | 0.001647 | 1504.07497,1504.00525,etc |
| electromagnetic wave | 43 | 19 | 2.222 | 0.001645 | 1504.06803,1504.04129,etc |
| path length | 53 | 15 | 2.286 | 0.001639 | 1504.06922,1504.02656,etc |
| test case | 32 | 13 | 2.583 | 0.001637 | 1504.03849,1504.07429,etc |
| dispersion relation | 88 | 27 | 3.346 | 0.001636 | 1504.02776,1504.06803,etc |
| ground state | 246 | 78 | 3.117 | 0.001599 | 1504.05970,1504.01592,etc |
| laser field | 40 | 19 | 2.167 | 0.001599 | 1504.03059,1504.01285,etc |
| aspect ratio | 49 | 15 | 3.429 | 0.001595 | 1504.02592,1504.04193,etc |
| Reynolds number | 123 | 30 | 4.207 | 0.001578 | 1504.02233,1504.02855,etc |
| correlation function | 65 | 21 | 3.1 | 0.001569 | 1504.05970,1504.02384,etc |
| empirical datum | 38 | 12 | 3.273 | 0.001556 | 1504.01939,1504.07666,etc |
| energy level | 124 | 49 | 2.562 | 0.001548 | 1504.07497,1504.05523,etc |
| partition function | 61 | 20 | 3.053 | 0.001535 | 1504.04939,1504.03645,etc |
| heat flux | 45 | 13 | 3.667 | 0.001518 | 1504.05550,1504.02384,etc |
| total energy | 154 | 62 | 2.508 | 0.001505 | 1504.03849,1504.00725,etc |
| external field | 96 | 35 | 2.765 | 0.001486 | 1504.04205,1504.02592,etc |
| source term | 45 | 16 | 2.8 | 0.001481 | 1504.02233,1504.03849,etc |
| internal energy | 29 | 12 | 2.545 | 0.001479 | 1504.03485,1504.07094,etc |
| magnetic field line | 36 | 15 | 2.5 | 0.001451 | 1504.06253,1504.07973,etc |
| state vector | 34 | 13 | 2.75 | 0.001448 | 1504.03059,1504.07429,etc |
| Rydberg atom | 56 | 13 | 4.583 | 0.001447 | 1504.01886,1504.07191,etc |
| magnetic field strength | 45 | 14 | 2.923 | 0.001437 | 1504.01285,1504.07052,etc |
| time period | 38 | 19 | 2.056 | 0.001428 | 1504.08218,1504.02380,etc |
| relative phase | 29 | 13 | 2.333 | 0.001424 | 1504.07722,1504.06578,etc |
| basis vector | 30 | 11 | 2.8 | 0.001399 | 1504.01592,1504.06182,etc |
| systematic error | 45 | 22 | 2.095 | 0.001395 | 1504.03023,1504.01201,etc |
| boundary condition | 349 | 105 | 3.308 | 0.00139 | 1504.07497,1504.05641,etc |
| growth rate | 114 | 30 | 3.862 | 0.001369 | 1504.03734,1504.04688,etc |
| dipole moment | 66 | 25 | 2.708 | 0.001354 | 1504.02674,1504.04808,etc |
| optical field | 39 | 14 | 2.923 | 0.001348 | 1504.01682,1504.04409,etc |
| angular velocity | 62 | 23 | 2.727 | 0.001344 | 1504.07497,1504.07458,etc |
| time step | 230 | 77 | 3.013 | 0.00134 | 1504.05027,1504.03922,etc |
|