| thermal conductivity | 121 | 16 | 8.0 | 0.005052 | 1503.01923,1503.07256,etc |
| shock wave | 95 | 16 | 6.267 | 0.0046 | 1503.07374,1503.05541,etc |
| quantum dot | 69 | 16 | 4.533 | 0.004519 | 1503.04318,1503.08857,etc |
| electron beam | 82 | 18 | 4.765 | 0.004464 | 1503.05169,1503.02046,etc |
| community structure | 160 | 17 | 8.75 | 0.004296 | 1503.08012,1503.01626,etc |
| cavity mode | 79 | 15 | 5.571 | 0.004143 | 1503.04672,1503.06084,etc |
| Rydberg atom | 51 | 11 | 4.4 | 0.004066 | 1503.02881,1503.08953,etc |
| excitation energy | 63 | 13 | 5.083 | 0.003936 | 1503.02975,1503.04980,etc |
| porous medium | 52 | 13 | 4.083 | 0.003581 | 1503.04466,1503.05541,etc |
| frequency shift | 55 | 15 | 3.857 | 0.003314 | 1503.01923,1503.01511,etc |
| time resolution | 33 | 15 | 2.286 | 0.003265 | 1503.00397,1503.05330,etc |
| drift velocity | 74 | 11 | 7.3 | 0.003232 | 1503.04466,1503.03772,etc |
| electromagnetic field | 210 | 56 | 3.8 | 0.003185 | 1503.04672,1503.02102,etc |
| response function | 81 | 15 | 4.214 | 0.003184 | 1503.03781,1503.08723,etc |
| null model | 59 | 12 | 5.182 | 0.003146 | 1503.08012,1503.05522,etc |
| density gradient | 39 | 11 | 3.7 | 0.003135 | 1503.06180,1503.03232,etc |
| critical point | 110 | 35 | 3.147 | 0.003093 | 1503.04672,1503.01641,etc |
| shear stress | 50 | 11 | 4.8 | 0.002887 | 1503.01262,1503.07374,etc |
| solar wind | 125 | 11 | 12.4 | 0.002873 | 1503.05410,1503.08287,etc |
| Rb atom | 32 | 11 | 2.6 | 0.002696 | 1503.02881,1503.03334,etc |
| external magnetic field | 45 | 18 | 2.588 | 0.002505 | 1503.08783,1503.03334,etc |
| boundary layer | 75 | 15 | 5.286 | 0.002469 | 1503.07117,1503.07374,etc |
| magnetic energy | 41 | 11 | 3.1 | 0.00246 | 1503.01878,1503.05410,etc |
| acoustic wave | 38 | 14 | 2.846 | 0.002414 | 1503.04138,1503.05541,etc |
| fluid flow | 82 | 22 | 3.857 | 0.002377 | 1503.02842,1503.04138,etc |
| electron density | 119 | 41 | 2.9 | 0.002363 | 1503.07539,1503.04401,etc |
| diffusion coefficient | 109 | 32 | 3.484 | 0.002339 | 1503.05893,1503.06312,etc |
| magnetic field | 591 | 124 | 4.748 | 0.002332 | 1503.03496,1503.01878,etc |
| saddle point | 67 | 15 | 4.714 | 0.002221 | 1503.07381,1503.00343,etc |
| single photon | 35 | 14 | 2.615 | 0.002195 | 1503.04763,1503.08541,etc |
| general relativity | 67 | 20 | 3.0 | 0.002157 | 1503.01511,1503.06238,etc |
| laser power | 43 | 18 | 2.353 | 0.002153 | 1503.03329,1503.08953,etc |
| water molecule | 62 | 13 | 4.917 | 0.002148 | 1503.00178,1503.04027,etc |
| growth rate | 112 | 25 | 4.417 | 0.002088 | 1503.05914,1503.00127,etc |
| angular momentum | 135 | 42 | 3.268 | 0.002058 | 1503.03496,1503.01511,etc |
| detection efficiency | 38 | 13 | 2.75 | 0.00205 | 1503.03937,1503.03424,etc |
| optimal value | 78 | 28 | 2.852 | 0.002045 | 1503.08767,1503.08048,etc |
| laser pulse | 144 | 35 | 4.176 | 0.002028 | 1503.06180,1503.00343,etc |
| dispersion relation | 89 | 32 | 2.581 | 0.002 | 1503.01878,1503.03781,etc |
| turbulent flow | 57 | 20 | 2.895 | 0.001991 | 1503.02099,1503.06148,etc |
| electric field | 492 | 141 | 3.507 | 0.001991 | 1503.01878,1503.05169,etc |
| surface tension | 97 | 21 | 4.75 | 0.001987 | 1503.00008,1503.04039,etc |
| additional term | 32 | 15 | 2.214 | 0.001946 | 1503.08767,1503.07024,etc |
| null hypothesis | 38 | 12 | 3.364 | 0.001938 | 1503.07622,1503.06698,etc |
| Navier-Stokes equation | 70 | 27 | 2.615 | 0.001925 | 1503.02099,1503.07374,etc |
| phase transition | 120 | 47 | 2.326 | 0.001899 | 1503.04672,1503.04180,etc |
| dark matter | 58 | 19 | 3.111 | 0.001891 | 1503.00008,1503.03937,etc |
| state space | 28 | 11 | 2.7 | 0.001889 | 1503.04180,1503.01160,etc |
| unstable mode | 69 | 17 | 4.188 | 0.001887 | 1503.07381,1503.01878,etc |
| proton beam | 30 | 11 | 2.9 | 0.001887 | 1503.06180,1503.08468,etc |
| unit length | 44 | 21 | 2.15 | 0.001884 | 1503.04039,1503.00397,etc |
| vibrational mode | 43 | 18 | 2.471 | 0.001877 | 1503.03329,1503.04401,etc |
| scale-free network | 59 | 14 | 4.154 | 0.001862 | 1503.01160,1503.03744,etc |
| Rabi frequency | 67 | 19 | 3.667 | 0.001843 | 1503.04318,1503.03334,etc |
| Green' function | 53 | 22 | 2.476 | 0.001827 | 1503.08707,1503.03781,etc |
| bias voltage | 42 | 11 | 3.2 | 0.001816 | 1503.07322,1503.04778,etc |
| random variable | 65 | 28 | 2.37 | 0.001807 | 1503.04763,1503.06559,etc |
| single atom | 28 | 12 | 2.455 | 0.001804 | 1503.01074,1503.02452,etc |
| Boltzmann equation | 68 | 13 | 5.083 | 0.001797 | 1503.07374,1503.03744,etc |
| photonic crystal | 27 | 12 | 2.364 | 0.001776 | 1503.01923,1503.04318,etc |
| correlation function | 44 | 18 | 2.412 | 0.001773 | 1503.04672,1503.05893,etc |
| Euler-Lagrange equation | 32 | 12 | 2.727 | 0.001764 | 1503.07539,1503.03232,etc |
| rate equation | 38 | 16 | 2.333 | 0.001758 | 1503.08767,1503.05914,etc |
| quantum particle | 34 | 13 | 2.417 | 0.001758 | 1503.01969,1503.08783,etc |
| phase velocity | 36 | 11 | 3.4 | 0.001756 | 1503.07319,1503.01701,etc |
| phase space | 109 | 46 | 2.267 | 0.001729 | 1503.04180,1503.04763,etc |
| physical system | 56 | 23 | 2.5 | 0.001702 | 1503.01626,1503.00746,etc |
| angular distribution | 43 | 15 | 2.786 | 0.001691 | 1503.03937,1503.07319,etc |
| phase shift | 62 | 29 | 2.179 | 0.001639 | 1503.01074,1503.08783,etc |
| local density | 34 | 13 | 2.75 | 0.001637 | 1503.03781,1503.02175,etc |
| vector field | 70 | 20 | 3.474 | 0.001636 | 1503.04180,1503.02842,etc |
| point charge | 33 | 11 | 3.2 | 0.001633 | 1503.07319,1503.08468,etc |
| imaginary part | 162 | 55 | 2.981 | 0.001613 | 1503.01160,1503.04024,etc |
| laser beam | 108 | 42 | 2.61 | 0.001609 | 1503.08953,1503.03334,etc |
| kinetic theory | 37 | 13 | 2.833 | 0.001588 | 1503.01878,1503.06312,etc |
| optical lattice | 50 | 19 | 2.722 | 0.001574 | 1503.07417,1503.08457,etc |
| relative phase | 42 | 17 | 2.5 | 0.001571 | 1503.08767,1503.07535,etc |
| nonlinear interaction | 41 | 18 | 2.353 | 0.001569 | 1503.05541,1503.00869,etc |
| density matrix | 85 | 22 | 3.952 | 0.001564 | 1503.08767,1503.00178,etc |
| laser field | 113 | 24 | 4.87 | 0.001564 | 1503.04318,1503.00343,etc |
| Standard Model | 60 | 16 | 3.933 | 0.001558 | 1503.03937,1503.07735,etc |
| Supplementary Information | 46 | 13 | 3.5 | 0.001556 | 1503.05098,1503.02005,etc |
| master equation | 35 | 12 | 3.091 | 0.001533 | 1503.08767,1503.07117,etc |
| momentum transfer | 31 | 15 | 2.143 | 0.001528 | 1503.03937,1503.04551,etc |
| Maxwell equation | 56 | 19 | 3.056 | 0.001503 | 1503.01878,1503.06312,etc |
| energy density | 75 | 26 | 2.92 | 0.001497 | 1503.07539,1503.06752,etc |
| principal quantum number | 26 | 12 | 2.273 | 0.001493 | 1503.03690,1503.02881,etc |
| spatial resolution | 71 | 31 | 2.333 | 0.001491 | 1503.01923,1503.06698,etc |
| distribution function | 142 | 42 | 3.39 | 0.001477 | 1503.01878,1503.02102,etc |
| polarization state | 46 | 12 | 4.091 | 0.001476 | 1503.01969,1503.02983,etc |
| ground state | 270 | 84 | 3.241 | 0.001474 | 1503.04672,1503.07539,etc |
| wave number | 67 | 22 | 3.143 | 0.001474 | 1503.02102,1503.08700,etc |
| basis function | 26 | 13 | 2.083 | 0.001466 | 1503.07539,1503.06312,etc |
| conservation law | 82 | 29 | 2.893 | 0.001458 | 1503.07024,1503.08107,etc |
| unit cell | 64 | 21 | 3.0 | 0.001446 | 1503.06131,1503.02023,etc |
| power law | 107 | 39 | 2.763 | 0.001439 | 1503.04672,1503.01160,etc |
| phase difference | 58 | 21 | 2.8 | 0.001435 | 1503.04763,1503.01234,etc |
| gravitational field | 48 | 16 | 3.067 | 0.001423 | 1503.05878,1503.06238,etc |
| temperature dependence | 28 | 11 | 2.7 | 0.001413 | 1503.04027,1503.06039,etc |
| wave function | 126 | 43 | 2.976 | 0.00141 | 1503.00178,1503.03690,etc |
|