| current sheet | 124 | 12 | 10.818 | 0.011203 | 2009.00120,2009.00910,etc |
| exceptional point | 93 | 15 | 6.571 | 0.007775 | 2009.00930,2009.03495,etc |
| electron distribution | 42 | 17 | 2.562 | 0.007736 | 2009.00286,2009.00659,etc |
| entangled photon | 47 | 11 | 2.6 | 0.006649 | 2009.13693,2009.00324,etc |
| solar wind | 295 | 33 | 8.938 | 0.006037 | 2009.00120,2009.00415,etc |
| Poynting vector | 42 | 11 | 3.8 | 0.005225 | 2009.00587,2009.03811,etc |
| thermal conductivity | 142 | 35 | 3.765 | 0.004986 | 2009.01743,2009.02201,etc |
| mass flux | 48 | 12 | 2.273 | 0.004677 | 2009.02108,2009.04211,etc |
| herd immunity | 47 | 11 | 4.3 | 0.004666 | 2009.00660,2009.03168,etc |
| degree distribution | 190 | 26 | 7.56 | 0.00453 | 2009.00444,2009.02117,etc |
| surrogate model | 74 | 13 | 6.083 | 0.004381 | 2009.00521,2009.02708,etc |
| open system | 87 | 21 | 4.3 | 0.0041 | 2009.04058,2009.04094,etc |
| contact angle | 77 | 15 | 5.357 | 0.004012 | 2009.00054,2009.01927,etc |
| basic reproduction number | 42 | 11 | 4.1 | 0.003768 | 2009.00660,2009.01140,etc |
| frequency band | 26 | 13 | 2.083 | 0.00373 | 2009.03670,2009.05538,etc |
| urban area | 55 | 11 | 5.4 | 0.003618 | 2009.01359,2009.03700,etc |
| scintillation light | 36 | 12 | 3.182 | 0.00354 | 2009.00895,2009.05086,etc |
| equilibrium position | 58 | 18 | 3.118 | 0.003454 | 2009.00605,2009.02124,etc |
| rate constant | 114 | 15 | 8.071 | 0.003447 | 2009.03547,2009.04282,etc |
| active region | 61 | 16 | 3.8 | 0.003432 | 2009.02160,2009.02547,etc |
| master equation | 124 | 17 | 7.25 | 0.00338 | 2009.02890,2009.04121,etc |
| death rate | 53 | 14 | 4.0 | 0.00337 | 2009.03168,2009.03649,etc |
| structure factor | 82 | 11 | 7.9 | 0.00333 | 2009.01068,2009.07900,etc |
| critical temperature | 87 | 17 | 4.375 | 0.003122 | 2009.00661,2009.00832,etc |
| infected individual | 103 | 15 | 6.214 | 0.0031 | 2009.00660,2009.03168,etc |
| magnetic field | 1138 | 180 | 6.307 | 0.003084 | 2009.00120,2009.00196,etc |
| material system | 46 | 12 | 3.364 | 0.003008 | 2009.02059,2009.03070,etc |
| electric field | 680 | 172 | 3.912 | 0.002984 | 2009.00257,2009.00270,etc |
| Rydberg state | 53 | 14 | 4.0 | 0.002954 | 2009.01070,2009.01679,etc |
| linear stability analysis | 64 | 17 | 3.938 | 0.00292 | 2009.00820,2009.00930,etc |
| solar wind speed | 33 | 12 | 2.909 | 0.002867 | 2009.00120,2009.04211,etc |
| work function | 55 | 13 | 4.5 | 0.002847 | 2009.03659,2009.03933,etc |
| water molecule | 173 | 26 | 6.84 | 0.002802 | 2009.01665,2009.03843,etc |
| magnetic energy | 99 | 19 | 5.111 | 0.002747 | 2009.00120,2009.00910,etc |
| cost function | 97 | 30 | 3.31 | 0.002695 | 2009.00080,2009.00661,etc |
| single photon | 73 | 21 | 3.6 | 0.002685 | 2009.00002,2009.02889,etc |
| infectious disease | 59 | 15 | 3.786 | 0.002636 | 2009.00660,2009.01140,etc |
| neural network | 470 | 97 | 4.865 | 0.002628 | 2009.00397,2009.00566,etc |
| electrical conductivity | 73 | 18 | 4.176 | 0.002612 | 2009.01525,2009.01743,etc |
| correction term | 53 | 12 | 4.545 | 0.002555 | 2009.02250,2009.02889,etc |
| sample surface | 39 | 12 | 3.364 | 0.002543 | 2009.01028,2009.05297,etc |
| absorption spectrum | 67 | 24 | 2.826 | 0.002508 | 2009.00995,2009.01679,etc |
| band gap | 81 | 29 | 2.857 | 0.002506 | 2009.01665,2009.02059,etc |
| laser field | 85 | 20 | 4.316 | 0.002487 | 2009.00257,2009.00659,etc |
| steady-state solution | 53 | 15 | 3.714 | 0.002474 | 2009.01322,2009.03957,etc |
| acoustic wave | 54 | 18 | 3.059 | 0.002448 | 2009.00343,2009.01068,etc |
| strong magnetic field | 34 | 16 | 2.2 | 0.002435 | 2009.00828,2009.00910,etc |
| thermal effect | 28 | 12 | 2.455 | 0.002404 | 2009.00286,2009.02803,etc |
| Nusselt number | 43 | 11 | 4.2 | 0.002397 | 2009.01496,2009.01735,etc |
| feature space | 57 | 12 | 5.091 | 0.002378 | 2009.00661,2009.02741,etc |
| unit cell | 233 | 59 | 3.983 | 0.002343 | 2009.00735,2009.01068,etc |
| electron gas | 38 | 11 | 3.7 | 0.002332 | 2009.00075,2009.01665,etc |
| pulse energy | 41 | 15 | 2.857 | 0.002323 | 2009.00075,2009.00828,etc |
| magnetic field line | 94 | 22 | 4.333 | 0.00231 | 2009.00196,2009.01510,etc |
| local oscillator | 36 | 11 | 3.5 | 0.002284 | 2009.05006,2009.05046,etc |
| beam energy | 36 | 14 | 2.692 | 0.002239 | 2009.01524,2009.02366,etc |
| population density | 67 | 16 | 4.267 | 0.002232 | 2009.02691,2009.03882,etc |
| binding energy | 113 | 22 | 5.333 | 0.002228 | 2009.00998,2009.01222,etc |
| conservation law | 93 | 29 | 3.286 | 0.002212 | 2009.00660,2009.00766,etc |
| external magnetic field | 89 | 40 | 2.205 | 0.002206 | 2009.00118,2009.00661,etc |
| magnetic helicity | 72 | 11 | 7.1 | 0.002192 | 2009.00120,2009.02828,etc |
| training sample | 48 | 16 | 2.933 | 0.002186 | 2009.00895,2009.02741,etc |
| heat transfer | 125 | 29 | 4.429 | 0.002135 | 2009.00286,2009.00752,etc |
| drift velocity | 27 | 11 | 2.6 | 0.002134 | 2009.01735,2009.02101,etc |
| photon pair | 34 | 11 | 3.1 | 0.002117 | 2009.00324,2009.02134,etc |
| tilt angle | 36 | 11 | 2.5 | 0.002111 | 2009.00002,2009.11000,etc |
| cavity mode | 57 | 16 | 3.6 | 0.002092 | 2009.02803,2009.05118,etc |
| Euler equation | 51 | 20 | 2.632 | 0.002089 | 2009.00118,2009.00766,etc |
| energy spread | 33 | 15 | 2.214 | 0.002084 | 2009.00270,2009.00659,etc |
| energy gain | 46 | 12 | 4.091 | 0.002081 | 2009.00080,2009.00659,etc |
| beam waist | 41 | 12 | 3.364 | 0.002078 | 2009.00941,2009.01070,etc |
| energy resolution | 90 | 28 | 3.148 | 0.002076 | 2009.00158,2009.00998,etc |
| input feature | 36 | 11 | 3.5 | 0.002063 | 2009.00661,2009.01359,etc |
| Dirac equation | 42 | 11 | 3.4 | 0.002038 | 2009.01222,2009.03720,etc |
| reciprocal space | 52 | 17 | 3.188 | 0.002036 | 2009.00735,2009.01068,etc |
| synthetic datum | 62 | 26 | 2.4 | 0.002028 | 2009.00870,2009.02547,etc |
| infected person | 38 | 11 | 2.7 | 0.002028 | 2009.02806,2009.02999,etc |
| plane wave | 91 | 45 | 2.045 | 0.002025 | 2009.00587,2009.00828,etc |
| flow rate | 77 | 20 | 4.0 | 0.002025 | 2009.00820,2009.01322,etc |
| transfer function | 100 | 29 | 3.357 | 0.002014 | 2009.00400,2009.01184,etc |
| wave function | 278 | 64 | 4.175 | 0.002004 | 2009.00605,2009.00708,etc |
| Green' function | 95 | 26 | 3.76 | 0.001985 | 2009.00853,2009.01645,etc |
| ground state energy | 42 | 19 | 2.278 | 0.001967 | 2009.04084,2009.05330,etc |
| black hole | 100 | 22 | 4.667 | 0.001966 | 2009.02965,2009.03737,etc |
| quantum computer | 87 | 19 | 4.778 | 0.001961 | 2009.00080,2009.04121,etc |
| sensitivity analysis | 31 | 15 | 2.143 | 0.001951 | 2009.00196,2009.01661,etc |
| dynamical equation | 25 | 12 | 2.182 | 0.00195 | 2009.00660,2009.02965,etc |
| average degree | 67 | 17 | 4.062 | 0.001941 | 2009.02117,2009.02806,etc |
| objective function | 151 | 39 | 3.895 | 0.00194 | 2009.00080,2009.00196,etc |
| electron beam | 102 | 32 | 3.226 | 0.001932 | 2009.01184,2009.01629,etc |
| inverse design | 35 | 11 | 3.4 | 0.001929 | 2009.02008,2009.05163,etc |
| Poisson distribution | 91 | 24 | 3.913 | 0.001922 | 2009.02117,2009.02806,etc |
| magnetic reconnection | 71 | 15 | 5.0 | 0.001913 | 2009.00566,2009.02828,etc |
| laser power | 66 | 31 | 2.167 | 0.00191 | 2009.00343,2009.00346,etc |
| Fourier mode | 35 | 14 | 2.615 | 0.001908 | 2009.00682,2009.02828,etc |
| radial distribution function | 43 | 13 | 3.5 | 0.001902 | 2009.04051,2009.04503,etc |
| dispersion relation | 116 | 43 | 2.714 | 0.001886 | 2009.00910,2009.01576,etc |
| laser pulse | 195 | 40 | 4.923 | 0.001839 | 2009.00257,2009.00659,etc |
| null model | 54 | 13 | 3.0 | 0.001821 | 2009.01971,2009.03747,etc |
| Rabi frequency | 42 | 16 | 2.6 | 0.001808 | 2009.00075,2009.04358,etc |
|