| surface wave | 76 | 11 | 6.9 | 0.007057 | 2008.01303,2008.01608,etc |
| Supplementary Fig | 143 | 13 | 11.833 | 0.004704 | 2008.00929,2008.01608,etc |
| entangled state | 51 | 13 | 2.583 | 0.004553 | 2008.01079,2008.01293,etc |
| orbital angular momentum | 56 | 22 | 2.571 | 0.004221 | 2008.00929,2008.00999,etc |
| black hole | 109 | 23 | 4.182 | 0.004051 | 2008.01556,2008.04843,etc |
| local structure | 65 | 14 | 4.846 | 0.003925 | 2008.01540,2008.02415,etc |
| shock front | 112 | 13 | 9.25 | 0.00374 | 2008.03540,2008.06561,etc |
| porous medium | 114 | 22 | 5.381 | 0.003647 | 2008.00703,2008.02657,etc |
| shear modulus | 49 | 14 | 2.615 | 0.003369 | 2008.01336,2008.03171,etc |
| focal length | 75 | 20 | 3.421 | 0.003202 | 2008.00729,2008.02147,etc |
| long time scale | 47 | 11 | 4.5 | 0.003187 | 2008.00243,2008.00831,etc |
| nonlinear system | 47 | 21 | 2.3 | 0.003166 | 2008.02503,2008.06731,etc |
| social activity | 52 | 11 | 5.1 | 0.003124 | 2008.00651,2008.07791,etc |
| aspect ratio | 131 | 38 | 3.486 | 0.003094 | 2008.00280,2008.02304,etc |
| coherent structure | 142 | 14 | 10.846 | 0.003085 | 2008.02367,2008.03783,etc |
| activation energy | 32 | 13 | 2.583 | 0.003083 | 2008.00303,2008.04972,etc |
| social distancing | 193 | 41 | 4.75 | 0.00307 | 2008.01841,2008.02117,etc |
| two-level system | 24 | 12 | 2.091 | 0.003063 | 2008.03429,2008.05720,etc |
| crystal structure | 114 | 28 | 4.185 | 0.003027 | 2008.01271,2008.01625,etc |
| social distancing measure | 52 | 14 | 3.538 | 0.003017 | 2008.02117,2008.05876,etc |
| magnetic field | 998 | 186 | 5.351 | 0.002901 | 2008.00082,2008.00121,etc |
| stable state | 52 | 14 | 3.846 | 0.002889 | 2008.03755,2008.04211,etc |
| characteristic time | 72 | 36 | 2.029 | 0.002855 | 2008.00079,2008.02117,etc |
| vector field | 103 | 29 | 3.643 | 0.002767 | 2008.00350,2008.01404,etc |
| magnetic reconnection | 83 | 15 | 5.857 | 0.00276 | 2008.02638,2008.02920,etc |
| reproduction number | 89 | 14 | 5.846 | 0.002743 | 2008.08140,2008.08152,etc |
| hydrogen atom | 99 | 37 | 2.694 | 0.002735 | 2008.00220,2008.00288,etc |
| Legendre polynomial | 32 | 15 | 2.214 | 0.002705 | 2008.04973,2008.06183,etc |
| surrogate model | 88 | 18 | 3.588 | 0.002703 | 2008.03157,2008.03989,etc |
| quantum noise | 38 | 12 | 2.636 | 0.002656 | 2008.05720,2008.08211,etc |
| solar wind | 198 | 28 | 6.889 | 0.002639 | 2008.00082,2008.02334,etc |
| scalar field | 67 | 21 | 3.25 | 0.002606 | 2008.01540,2008.03074,etc |
| dark matter | 91 | 19 | 5.0 | 0.002524 | 2008.00035,2008.00831,etc |
| dispersion relation | 168 | 42 | 4.073 | 0.002487 | 2008.01865,2008.01906,etc |
| Gaussian beam | 45 | 12 | 3.909 | 0.002453 | 2008.02029,2008.02157,etc |
| Fock state | 40 | 11 | 2.1 | 0.002387 | 2008.05720,2008.10221,etc |
| electron beam | 111 | 27 | 4.154 | 0.002373 | 2008.01390,2008.01703,etc |
| degree distribution | 81 | 21 | 3.5 | 0.002372 | 2008.00651,2008.01141,etc |
| quantum computer | 107 | 25 | 4.333 | 0.00236 | 2008.04675,2008.04843,etc |
| turbulent flow | 105 | 40 | 2.667 | 0.002331 | 2008.01336,2008.01841,etc |
| coherent state | 64 | 17 | 3.0 | 0.00233 | 2008.02157,2008.03795,etc |
| conservation law | 123 | 34 | 3.606 | 0.002311 | 2008.00798,2008.01527,etc |
| laser pulse | 143 | 42 | 3.463 | 0.002305 | 2008.00729,2008.01104,etc |
| double excitation | 59 | 17 | 3.625 | 0.002273 | 2008.00220,2008.00336,etc |
| optical loss | 38 | 13 | 3.0 | 0.00227 | 2008.01303,2008.02411,etc |
| ground state energy | 62 | 22 | 2.905 | 0.002261 | 2008.00269,2008.00336,etc |
| original network | 59 | 13 | 4.833 | 0.002258 | 2008.00651,2008.01242,etc |
| social interaction | 51 | 20 | 2.632 | 0.002248 | 2008.01597,2008.06193,etc |
| band gap | 115 | 29 | 4.0 | 0.002241 | 2008.00917,2008.02267,etc |
| neural network | 438 | 77 | 5.737 | 0.002221 | 2008.00082,2008.00167,etc |
| external magnetic field | 113 | 39 | 2.947 | 0.002214 | 2008.00121,2008.01570,etc |
| photon energy | 122 | 42 | 2.951 | 0.002188 | 2008.00079,2008.00288,etc |
| optical lattice | 52 | 17 | 3.188 | 0.002181 | 2008.00035,2008.02050,etc |
| coordination number | 51 | 12 | 4.545 | 0.002176 | 2008.00269,2008.03189,etc |
| constitutive relation | 113 | 18 | 6.588 | 0.002169 | 2008.02000,2008.04091,etc |
| open boundary condition | 37 | 11 | 3.6 | 0.002146 | 2008.02779,2008.05957,etc |
| coherence time | 55 | 18 | 3.118 | 0.002133 | 2008.00082,2008.02157,etc |
| wave packet | 36 | 12 | 2.909 | 0.002108 | 2008.00633,2008.02334,etc |
| phase diagram | 147 | 36 | 4.057 | 0.002091 | 2008.04211,2008.05608,etc |
| angular distribution | 81 | 23 | 3.636 | 0.002088 | 2008.00338,2008.01390,etc |
| mobility datum | 50 | 11 | 4.9 | 0.002088 | 2008.00999,2008.02117,etc |
| incident photon | 35 | 15 | 2.429 | 0.002088 | 2008.01390,2008.01843,etc |
| reaction rate | 61 | 19 | 3.278 | 0.002072 | 2008.00112,2008.00272,etc |
| social network | 167 | 35 | 4.882 | 0.002062 | 2008.00537,2008.01884,etc |
| quantum effect | 35 | 12 | 3.091 | 0.002056 | 2008.01271,2008.02142,etc |
| unit cell | 175 | 56 | 3.164 | 0.002037 | 2008.00079,2008.00530,etc |
| binding energy | 83 | 32 | 2.581 | 0.002035 | 2008.00269,2008.00733,etc |
| basic reproduction number | 60 | 20 | 2.947 | 0.002015 | 2008.05554,2008.06863,etc |
| frequency component | 44 | 16 | 2.8 | 0.002002 | 2008.01002,2008.01104,etc |
| time step | 427 | 138 | 3.109 | 0.002 | 2008.00079,2008.00269,etc |
| laser frequency | 63 | 27 | 2.308 | 0.001998 | 2008.00621,2008.01570,etc |
| charge transfer | 46 | 12 | 2.545 | 0.001984 | 2008.00112,2008.00917,etc |
| wind speed | 83 | 11 | 8.0 | 0.001981 | 2008.02021,2008.02576,etc |
| optical absorption | 34 | 11 | 3.3 | 0.001981 | 2008.04001,2008.04696,etc |
| free surface | 42 | 14 | 3.154 | 0.001955 | 2008.01404,2008.02367,etc |
| Mach number | 107 | 21 | 5.3 | 0.001939 | 2008.01404,2008.02503,etc |
| resonant frequency | 61 | 25 | 2.208 | 0.00193 | 2008.00366,2008.00884,etc |
| transmission spectrum | 108 | 22 | 4.81 | 0.001912 | 2008.00079,2008.00884,etc |
| network model | 46 | 18 | 2.588 | 0.001888 | 2008.01037,2008.01141,etc |
| temperature distribution | 51 | 14 | 3.769 | 0.001888 | 2008.01522,2008.02503,etc |
| Ising model | 59 | 13 | 4.833 | 0.001887 | 2008.01141,2008.08227,etc |
| analytical solution | 161 | 72 | 2.254 | 0.001873 | 2008.00121,2008.00398,etc |
| Reynolds number | 320 | 71 | 4.557 | 0.001871 | 2008.00231,2008.00350,etc |
| electric field | 601 | 170 | 3.55 | 0.001862 | 2008.00035,2008.00082,etc |
| first wave | 49 | 12 | 4.364 | 0.001859 | 2008.02117,2008.06863,etc |
| surface tension | 127 | 35 | 3.706 | 0.001853 | 2008.00633,2008.00998,etc |
| diatomic molecule | 54 | 12 | 3.0 | 0.001851 | 2008.01293,2008.03398,etc |
| Monte Carlo simulation | 82 | 35 | 2.382 | 0.00183 | 2008.01390,2008.02091,etc |
| boundary layer | 122 | 30 | 4.172 | 0.001816 | 2008.00231,2008.00633,etc |
| laser cooling | 49 | 13 | 4.0 | 0.001801 | 2008.00035,2008.00831,etc |
| quantum efficiency | 27 | 11 | 2.5 | 0.0018 | 2008.03341,2008.04781,etc |
| conversion efficiency | 57 | 16 | 3.733 | 0.001794 | 2008.01303,2008.01390,etc |
| volume fraction | 98 | 22 | 4.524 | 0.001767 | 2008.00998,2008.01690,etc |
| entropy production | 88 | 12 | 7.909 | 0.001767 | 2008.01540,2008.02141,etc |
| distribution function | 117 | 29 | 4.143 | 0.001758 | 2008.00220,2008.02091,etc |
| basis function | 118 | 41 | 2.925 | 0.001754 | 2008.00205,2008.00733,etc |
| square lattice | 50 | 20 | 2.158 | 0.00174 | 2008.00651,2008.01844,etc |
| infected individual | 101 | 31 | 3.333 | 0.001715 | 2008.05979,2008.06193,etc |
| correlation energy | 77 | 20 | 3.895 | 0.001714 | 2008.00167,2008.00336,etc |
| emission spectrum | 84 | 16 | 5.4 | 0.001714 | 2008.01303,2008.02142,etc |
|