| hydrogen bond | 95 | 12 | 7.818 | 0.006459 | 1502.03048,1502.02572,etc |
| random graph | 73 | 16 | 4.667 | 0.004831 | 1502.00404,1502.03178,etc |
| complex network | 115 | 21 | 5.65 | 0.004725 | 1502.03178,1502.00111,etc |
| Dirac equation | 32 | 11 | 3.1 | 0.004508 | 1502.00622,1502.00515,etc |
| coherent state | 82 | 15 | 5.571 | 0.003876 | 1502.04112,1502.03553,etc |
| band gap | 56 | 11 | 4.8 | 0.00385 | 1502.04151,1502.01760,etc |
| photon energy | 121 | 28 | 4.407 | 0.003071 | 1502.06414,1502.07317,etc |
| average degree | 106 | 16 | 7.0 | 0.002961 | 1502.02015,1502.06775,etc |
| degree distribution | 92 | 22 | 4.333 | 0.002615 | 1502.03178,1502.06775,etc |
| optical cavity | 35 | 12 | 3.091 | 0.002602 | 1502.04112,1502.03553,etc |
| external magnetic field | 44 | 19 | 2.389 | 0.002514 | 1502.04151,1502.05783,etc |
| unit cell | 68 | 22 | 3.19 | 0.002492 | 1502.03067,1502.01879,etc |
| thermodynamic limit | 42 | 12 | 3.636 | 0.002313 | 1502.00809,1502.05891,etc |
| time window | 37 | 18 | 2.059 | 0.002311 | 1502.04490,1502.07367,etc |
| unstable mode | 57 | 15 | 4.0 | 0.002309 | 1502.06056,1502.00531,etc |
| quantum dot | 36 | 16 | 2.333 | 0.002298 | 1502.03553,1502.01788,etc |
| Reynolds number | 136 | 29 | 4.821 | 0.002269 | 1502.04884,1502.05358,etc |
| imaginary part | 164 | 55 | 2.926 | 0.002253 | 1502.07056,1502.06969,etc |
| transition energy | 40 | 11 | 3.8 | 0.002216 | 1502.02572,1502.00990,etc |
| rate equation | 45 | 12 | 4.0 | 0.002207 | 1502.00173,1502.01930,etc |
| electric field | 453 | 118 | 3.863 | 0.002197 | 1502.02432,1502.00728,etc |
| shear modulus | 49 | 11 | 4.4 | 0.002192 | 1502.02464,1502.07224,etc |
| photonic crystal | 36 | 14 | 2.692 | 0.002182 | 1502.04112,1502.07056,etc |
| optical fiber | 44 | 20 | 2.211 | 0.002081 | 1502.07056,1502.01788,etc |
| chemical reaction | 80 | 20 | 4.158 | 0.002052 | 1502.00515,1502.06184,etc |
| inertial range | 93 | 15 | 6.571 | 0.002018 | 1502.05358,1502.06750,etc |
| laser pulse | 122 | 32 | 3.742 | 0.002013 | 1502.02432,1502.00047,etc |
| surface tension | 103 | 27 | 3.923 | 0.002007 | 1502.03467,1502.04884,etc |
| optical mode | 36 | 13 | 2.917 | 0.001988 | 1502.04112,1502.01788,etc |
| transition rate | 41 | 12 | 3.545 | 0.001928 | 1502.04962,1502.03717,etc |
| transport property | 30 | 13 | 2.417 | 0.001876 | 1502.04659,1502.00636,etc |
| test case | 45 | 12 | 2.636 | 0.001784 | 1502.04884,1502.07224,etc |
| peak intensity | 27 | 11 | 2.5 | 0.001744 | 1502.07185,1502.02412,etc |
| quantum mechanic | 125 | 38 | 3.351 | 0.001728 | 1502.03553,1502.00681,etc |
| simulation datum | 40 | 14 | 3.0 | 0.00172 | 1502.05783,1502.01643,etc |
| local maximum | 39 | 14 | 2.923 | 0.001718 | 1502.04151,1502.07522,etc |
| eigenvalue problem | 56 | 16 | 3.667 | 0.001657 | 1502.07619,1502.04974,etc |
| incident field | 56 | 14 | 4.231 | 0.001652 | 1502.02409,1502.04151,etc |
| energy resolution | 89 | 21 | 4.2 | 0.001621 | 1502.07317,1502.00581,etc |
| transition state | 32 | 11 | 2.1 | 0.001514 | 1502.04563,1502.07731,etc |
| statistical model | 28 | 11 | 2.7 | 0.0015 | 1502.02057,1502.06642,etc |
| other node | 29 | 14 | 2.154 | 0.001483 | 1502.02435,1502.03816,etc |
| free surface | 54 | 12 | 4.818 | 0.001477 | 1502.04884,1502.02869,etc |
| effective mass | 34 | 15 | 2.286 | 0.00147 | 1502.07375,1502.01788,etc |
| laser intensity | 37 | 17 | 2.25 | 0.001444 | 1502.02432,1502.07834,etc |
| spherical particle | 30 | 11 | 2.9 | 0.001431 | 1502.01648,1502.01930,etc |
| Maxwell' equation | 89 | 30 | 2.207 | 0.001372 | 1502.02409,1502.01376,etc |
| relative phase | 38 | 16 | 2.4 | 0.001357 | 1502.04151,1502.03467,etc |
| linear approximation | 28 | 14 | 2.077 | 0.001335 | 1502.07056,1502.04581,etc |
| dissipation rate | 37 | 11 | 3.5 | 0.001325 | 1502.05358,1502.06439,etc |
| propagation direction | 71 | 27 | 2.692 | 0.001317 | 1502.04151,1502.06385,etc |
| laser power | 33 | 14 | 2.462 | 0.001306 | 1502.06366,1502.06056,etc |
| social network | 99 | 31 | 3.2 | 0.001296 | 1502.03224,1502.00901,etc |
| shear flow | 32 | 12 | 2.818 | 0.001272 | 1502.02292,1502.00131,etc |
| liquid phase | 31 | 13 | 2.417 | 0.001266 | 1502.02869,1502.04078,etc |
| flow direction | 24 | 11 | 2.2 | 0.001262 | 1502.03471,1502.07883,etc |
| Navier-Stokes equation | 65 | 19 | 3.5 | 0.001258 | 1502.04884,1502.04571,etc |
| momentum transfer | 41 | 13 | 3.083 | 0.001258 | 1502.00990,1502.02667,etc |
| system size | 53 | 21 | 2.5 | 0.001242 | 1502.06969,1502.05891,etc |
| nonumber & | 92 | 33 | 2.844 | 0.001227 | 1502.00404,1502.02437,etc |
| boundary condition | 279 | 106 | 2.648 | 0.001206 | 1502.04151,1502.01788,etc |
| statistical property | 63 | 23 | 2.818 | 0.001203 | 1502.07834,1502.00173,etc |
| linear response | 31 | 13 | 2.5 | 0.001201 | 1502.03553,1502.02464,etc |
| source term | 63 | 26 | 2.48 | 0.001194 | 1502.02409,1502.03646,etc |
| Green' function | 43 | 16 | 2.133 | 0.001189 | 1502.00321,1502.02869,etc |
| molecular dynamic simulation | 26 | 13 | 2.083 | 0.001189 | 1502.04884,1502.04571,etc |
| light beam | 56 | 20 | 2.895 | 0.001177 | 1502.00660,1502.00728,etc |
| resonance frequency | 42 | 18 | 2.412 | 0.001168 | 1502.04112,1502.03553,etc |
| light field | 41 | 16 | 2.667 | 0.001156 | 1502.04112,1502.04151,etc |
| analytical solution | 89 | 42 | 2.146 | 0.001144 | 1502.07056,1502.06969,etc |
| atomic system | 34 | 16 | 2.2 | 0.001082 | 1502.00047,1502.06083,etc |
| nonlinear optic | 26 | 12 | 2.273 | 0.00108 | 1502.04151,1502.01788,etc |
| Figure b | 45 | 12 | 3.091 | 0.001054 | 1502.03178,1502.04571,etc |
| fluid flow | 72 | 26 | 2.64 | 0.001052 | 1502.04884,1502.00515,etc |
| integral equation | 36 | 15 | 2.429 | 0.001048 | 1502.04310,1502.03048,etc |
| objective function | 35 | 12 | 3.0 | 0.001047 | 1502.07799,1502.06775,etc |
| optimization problem | 32 | 15 | 2.214 | 0.001038 | 1502.06775,1502.07522,etc |
| asymptotic form | 25 | 11 | 2.2 | 0.001032 | 1502.05117,1502.05468,etc |
| Rabi frequency | 31 | 13 | 2.333 | 0.00103 | 1502.04151,1502.02496,etc |
| basis function | 47 | 19 | 2.5 | 0.001015 | 1502.07957,1502.00528,etc |
| computational domain | 59 | 18 | 3.412 | 0.001015 | 1502.04884,1502.04494,etc |
| real-world network | 27 | 11 | 2.6 | 0.001008 | 1502.00730,1502.04428,etc |
| optical lattice | 30 | 14 | 2.231 | 0.000999 | 1502.05739,1502.02496,etc |
| experimental datum | 277 | 120 | 2.311 | 0.000994 | 1502.03467,1502.03282,etc |
| enhancement factor | 33 | 12 | 2.909 | 0.00099 | 1502.05783,1502.03324,etc |
| laser beam | 88 | 35 | 2.529 | 0.000978 | 1502.07568,1502.07834,etc |
| quantum coherence | 31 | 14 | 2.308 | 0.000975 | 1502.03553,1502.07842,etc |
| Table I | 27 | 13 | 2.167 | 0.000955 | 1502.00173,1502.00038,etc |
| laser field | 63 | 20 | 3.158 | 0.000945 | 1502.02432,1502.06414,etc |
| shear stress | 32 | 15 | 2.214 | 0.000931 | 1502.04884,1502.04372,etc |
| quantum system | 79 | 38 | 2.108 | 0.000928 | 1502.06969,1502.00321,etc |
| unit length | 36 | 16 | 2.333 | 0.000902 | 1502.00660,1502.04372,etc |
| particle motion | 29 | 14 | 2.154 | 0.000894 | 1502.02432,1502.02028,etc |
| lattice site | 36 | 16 | 2.333 | 0.000894 | 1502.05891,1502.07709,etc |
| evolution equation | 43 | 18 | 2.471 | 0.000878 | 1502.07883,1502.02437,etc |
| volume fraction | 33 | 11 | 3.2 | 0.000876 | 1502.03067,1502.04572,etc |
| grid point | 79 | 31 | 2.4 | 0.000874 | 1502.02077,1502.06439,etc |
| propagation distance | 30 | 12 | 2.545 | 0.00087 | 1502.01788,1502.00728,etc |
| item The | 42 | 21 | 2.05 | 0.000859 | 1502.03178,1502.02015,etc |
| lattice model | 28 | 13 | 2.25 | 0.000844 | 1502.00809,1502.05891,etc |
|