| black hole | 88 | 18 | 5.059 | 0.006005 | 1604.06490,1604.03363,etc |
| social network | 141 | 31 | 4.433 | 0.005299 | 1604.08891,1604.02021,etc |
| shear flow | 109 | 18 | 6.353 | 0.004696 | 1604.01831,1604.00840,etc |
| energy resolution | 77 | 21 | 2.85 | 0.004695 | 1604.01343,1604.06215,etc |
| thin film | 41 | 16 | 2.667 | 0.004586 | 1604.05975,1604.08460,etc |
| cosmic ray | 33 | 11 | 3.2 | 0.004466 | 1604.06490,1604.04199,etc |
| phase transition | 146 | 41 | 3.55 | 0.003961 | 1604.07565,1604.07458,etc |
| gravitational wave | 42 | 11 | 4.1 | 0.003719 | 1604.05153,1604.06490,etc |
| current sheet | 104 | 11 | 10.3 | 0.003673 | 1604.05234,1604.03623,etc |
| phase shift | 100 | 28 | 3.593 | 0.003398 | 1604.07617,1604.03914,etc |
| Rydberg state | 57 | 12 | 5.0 | 0.003312 | 1604.07659,1604.03005,etc |
| velocity fluctuation | 37 | 11 | 3.6 | 0.003207 | 1604.00673,1604.00226,etc |
| angular resolution | 40 | 12 | 2.273 | 0.003191 | 1604.00343,1604.04199,etc |
| quantum effect | 44 | 14 | 3.308 | 0.003137 | 1604.01604,1604.08928,etc |
| refractive index | 92 | 32 | 2.935 | 0.003085 | 1604.08447,1604.06215,etc |
| magnetic field | 868 | 149 | 5.851 | 0.002973 | 1604.02593,1604.07275,etc |
| Reynolds number | 142 | 38 | 3.784 | 0.002973 | 1604.02941,1604.01831,etc |
| giant component | 62 | 11 | 6.1 | 0.002877 | 1604.08891,1604.05175,etc |
| Rabi oscillation | 32 | 11 | 3.1 | 0.002835 | 1604.05526,1604.05545,etc |
| shock wave | 82 | 11 | 8.1 | 0.002816 | 1604.05234,1604.07577,etc |
| delta function | 36 | 15 | 2.5 | 0.002677 | 1604.03914,1604.03441,etc |
| angular momentum | 158 | 50 | 3.204 | 0.002663 | 1604.08447,1604.07246,etc |
| bimodal distribution | 72 | 12 | 6.455 | 0.00261 | 1604.03374,1604.00976,etc |
| frequency difference | 31 | 13 | 2.417 | 0.002593 | 1604.03060,1604.02817,etc |
| spatial resolution | 93 | 39 | 2.421 | 0.00259 | 1604.02941,1604.02072,etc |
| effective mass | 35 | 13 | 2.75 | 0.002466 | 1604.03431,1604.08820,etc |
| degree distribution | 135 | 23 | 6.045 | 0.002412 | 1604.08891,1604.03731,etc |
| expectation value | 93 | 27 | 3.385 | 0.00239 | 1604.07565,1604.04319,etc |
| cyclotron frequency | 91 | 14 | 4.615 | 0.002359 | 1604.03538,1604.08928,etc |
| light source | 34 | 14 | 2.538 | 0.002337 | 1604.04710,1604.00343,etc |
| network structure | 71 | 21 | 3.5 | 0.002289 | 1604.00963,1604.03731,etc |
| boundary layer | 82 | 23 | 3.045 | 0.002277 | 1604.08173,1604.07855,etc |
| critical point | 105 | 34 | 2.909 | 0.002261 | 1604.00200,1604.08583,etc |
| decay time | 36 | 13 | 2.917 | 0.002207 | 1604.06490,1604.03129,etc |
| solar wind | 89 | 15 | 5.143 | 0.002159 | 1604.08173,1604.05234,etc |
| magnetic field line | 78 | 18 | 4.118 | 0.002127 | 1604.08173,1604.03538,etc |
| power spectrum | 77 | 19 | 4.167 | 0.002096 | 1604.07762,1604.01125,etc |
| community structure | 102 | 13 | 8.417 | 0.002092 | 1604.03601,1604.00491,etc |
| gauge field | 66 | 13 | 5.083 | 0.002074 | 1604.07341,1604.01625,etc |
| phase space | 225 | 58 | 3.895 | 0.002056 | 1604.07458,1604.03060,etc |
| repetition rate | 36 | 17 | 2.188 | 0.002046 | 1604.04319,1604.00408,etc |
| commutation relation | 25 | 11 | 2.4 | 0.002004 | 1604.07217,1604.08573,etc |
| quantum dot | 29 | 11 | 2.8 | 0.001996 | 1604.02459,1604.02817,etc |
| unstable mode | 37 | 12 | 3.273 | 0.001952 | 1604.06305,1604.00294,etc |
| scalar field | 54 | 23 | 2.364 | 0.001938 | 1604.02941,1604.03701,etc |
| electron beam | 56 | 20 | 2.842 | 0.001895 | 1604.04710,1604.06490,etc |
| error bar | 91 | 42 | 2.171 | 0.001895 | 1604.03846,1604.01343,etc |
| wave packet | 45 | 17 | 2.75 | 0.001887 | 1604.03914,1604.03060,etc |
| spontaneous emission | 50 | 20 | 2.579 | 0.00187 | 1604.07617,1604.02072,etc |
| wave field | 37 | 12 | 3.273 | 0.001858 | 1604.06019,1604.07395,etc |
| square lattice | 43 | 19 | 2.333 | 0.001857 | 1604.04836,1604.02929,etc |
| atomic system | 42 | 18 | 2.412 | 0.001856 | 1604.00479,1604.03437,etc |
| resonant frequency | 53 | 20 | 2.737 | 0.001842 | 1604.02593,1604.06490,etc |
| flow field | 61 | 24 | 2.609 | 0.001835 | 1604.06131,1604.05975,etc |
| optical fiber | 37 | 17 | 2.25 | 0.001835 | 1604.00408,1604.03371,etc |
| coherent state | 32 | 13 | 2.583 | 0.001824 | 1604.07617,1604.03914,etc |
| boundary condition | 366 | 126 | 2.912 | 0.001785 | 1604.02941,1604.03735,etc |
| finite size effect | 23 | 11 | 2.1 | 0.001765 | 1604.01125,1604.03726,etc |
| momentum distribution | 47 | 14 | 3.308 | 0.001755 | 1604.04507,1604.00951,etc |
| dispersion relation | 214 | 58 | 3.737 | 0.001747 | 1604.08447,1604.07308,etc |
| pressure gradient | 58 | 21 | 2.85 | 0.001726 | 1604.05975,1604.04109,etc |
| correlation function | 70 | 24 | 2.957 | 0.001711 | 1604.02459,1604.07458,etc |
| particle trajectory | 44 | 13 | 3.583 | 0.001686 | 1604.00951,1604.00973,etc |
| phase velocity | 78 | 25 | 3.167 | 0.001662 | 1604.07246,1604.05975,etc |
| grid point | 110 | 31 | 3.4 | 0.001658 | 1604.05234,1604.05457,etc |
| dynamical process | 38 | 17 | 2.188 | 0.001652 | 1604.00963,1604.02817,etc |
| ground state | 240 | 82 | 2.926 | 0.001649 | 1604.07619,1604.03846,etc |
| field strength | 85 | 38 | 2.27 | 0.001643 | 1604.01604,1604.04710,etc |
| wave function | 168 | 43 | 3.786 | 0.001636 | 1604.05034,1604.03060,etc |
| initial condition | 429 | 130 | 3.295 | 0.001633 | 1604.04105,1604.05234,etc |
| acoustic wave | 34 | 14 | 2.538 | 0.001633 | 1604.08447,1604.08854,etc |
| velocity profile | 30 | 13 | 2.417 | 0.001616 | 1604.00673,1604.00840,etc |
| pulse duration | 50 | 21 | 2.45 | 0.001615 | 1604.00408,1604.03685,etc |
| optical field | 28 | 13 | 2.25 | 0.001599 | 1604.06501,1604.05679,etc |
| initial configuration | 30 | 13 | 2.417 | 0.001583 | 1604.06131,1604.00200,etc |
| empirical datum | 50 | 17 | 3.0 | 0.001581 | 1604.08891,1604.07782,etc |
| angular velocity | 70 | 22 | 3.286 | 0.001578 | 1604.06681,1604.00593,etc |
| electric field | 391 | 117 | 3.353 | 0.001575 | 1604.07275,1604.05234,etc |
| potential energy surface | 26 | 12 | 2.273 | 0.001562 | 1604.06817,1604.07659,etc |
| laser pulse | 94 | 28 | 3.444 | 0.001547 | 1604.03437,1604.04507,etc |
| classical mechanic | 54 | 14 | 4.077 | 0.00154 | 1604.01604,1604.06305,etc |
| energy-momentum tensor | 46 | 13 | 3.5 | 0.00154 | 1604.03701,1604.06490,etc |
| matrix element | 143 | 47 | 3.087 | 0.001522 | 1604.03914,1604.06817,etc |
| laser frequency | 31 | 14 | 2.308 | 0.00152 | 1604.02072,1604.07619,etc |
| path length | 39 | 14 | 2.923 | 0.001507 | 1604.04710,1604.04199,etc |
| circular polarization | 31 | 11 | 2.9 | 0.001502 | 1604.03371,1604.03623,etc |
| mass ratio | 43 | 11 | 3.9 | 0.001497 | 1604.02924,1604.08820,etc |
| solid angle | 28 | 12 | 2.364 | 0.001483 | 1604.03371,1604.06416,etc |
| energy dissipation | 39 | 16 | 2.467 | 0.001478 | 1604.08173,1604.07308,etc |
| dielectric function | 58 | 13 | 4.75 | 0.001466 | 1604.07275,1604.00701,etc |
| quantum field theory | 60 | 15 | 4.214 | 0.001438 | 1604.05968,1604.06305,etc |
| laser field | 64 | 22 | 2.952 | 0.001419 | 1604.03437,1604.04507,etc |
| Monte Carlo simulation | 43 | 20 | 2.211 | 0.001418 | 1604.02459,1604.01710,etc |
| dispersion curve | 42 | 13 | 3.167 | 0.00141 | 1604.03623,1604.01877,etc |
| reflection coefficient | 42 | 13 | 2.833 | 0.001408 | 1604.03735,1604.03426,etc |
| electron density | 79 | 27 | 3.0 | 0.001406 | 1604.02493,1604.06495,etc |
| magnetic reconnection | 44 | 12 | 3.909 | 0.001405 | 1604.05234,1604.02924,etc |
| energy distribution | 45 | 21 | 2.2 | 0.001403 | 1604.05234,1604.05075,etc |
| electromagnetic field | 191 | 59 | 3.259 | 0.00139 | 1604.01604,1604.07246,etc |
| transmission coefficient | 39 | 15 | 2.714 | 0.001381 | 1604.03597,1604.05457,etc |