| 1 | infrared | IR | 50 | 6 | 1.001408 | 0707.2370,0707.1004,etc |
| 2 | dirac fock | DF | 25 | 5 | 1.001657 | 0707.3587,0707.2230,etc |
| 3 | density functional theory | DFT | 45 | 5 | 1.001684 | 0707.3828,0707.3045,etc |
| 4 | bose einstein condensate | BEC | 130 | 4 | 2.008828 | 0707.1916,0707.2015,etc |
| 5 | relativistic coupled cluster | RCC | 27 | 4 | 1.001579 | 0707.3587,0707.3586,etc |
| 6 | ordinary differential equation | ODE | 24 | 4 | 1.001132 | 0707.0769,0707.0510,etc |
| 7 | many body perturbation theory | MBPT | 8 | 4 | 1.00046 | 0707.3585,0707.3576,etc |
| 8 | piezoelectric transducer | PZT | 6 | 4 | 1.000348 | 0707.0735,0707.0621,etc |
| 9 | magneto optical trap | MOT | 31 | 3 | 2.001138 | 0707.2359,0707.2015,etc |
| 10 | coupled cluster | CC | 161 | 3 | 2.00977 | 0707.3587,0707.3585,etc |
| 11 | direct numerical simulation | DNS | 64 | 3 | 2.003219 | 0707.3283,0707.2498,etc |
| 12 | magnetohydrodynamics | MHD | 24 | 3 | 2.001377 | 0707.4537,0707.0642,etc |
| 13 | high order harmonic generation | HHG | 63 | 3 | 2.002658 | 0707.2900,0707.2546,etc |
| 14 | strong field approximation | SFA | 48 | 3 | 2.004387 | 0707.2900,0707.2546,etc |
| 15 | ultraviolet | UV | 6 | 3 | 1.000515 | 0707.2370,0707.0510,etc |
| 16 | deutsche forschungsgemeinschaft | DFG | 3 | 3 | 1.000016 | 0707.1004,0707.3731,etc |
| 17 | finite difference time domain | FDTD | 9 | 3 | 1.000218 | 0707.1194,0707.0982,etc |