| 1 | density functional theory | DFT | 656 | 32 | 2.006782 | 1803.05217,1803.05693,etc |
| 2 | two dimensional | 2D | 292 | 29 | 2.003589 | 1803.05217,1803.07503,etc |
| 3 | three dimensional | 3D | 187 | 20 | 1.003545 | 1803.06889,1803.05217,etc |
| 4 | molecular dynamics | MD | 256 | 20 | 2.002394 | 1803.04433,1803.05479,etc |
| 5 | signal to noise ratio | SNR | 136 | 18 | 2.002237 | 1803.06462,1803.01151,etc |
| 6 | time of flight | TOF | 114 | 15 | 2.002028 | 1803.02325,1803.09394,etc |
| 7 | monte carlo | MC | 217 | 15 | 2.00208 | 1803.09300,1803.05479,etc |
| 8 | photomultiplier tube | PMT | 143 | 14 | 2.004072 | 1803.06889,1803.09394,etc |
| 9 | electromagnetically induced transparency | EIT | 229 | 14 | 2.00488 | 1803.04571,1803.02048,etc |
| 10 | european research council | ERC | 20 | 14 | 1.00019 | 1803.07547,1803.04924,etc |
| 11 | finite element method | FEM | 77 | 13 | 1.001061 | 1803.07822,1803.08886,etc |
| 12 | particle in cell | PIC | 68 | 13 | 1.000801 | 1803.06278,1803.02915,etc |
| 13 | partial differential equation | PDE | 260 | 13 | 2.002067 | 1803.02915,1803.10600,etc |
| 14 | orbital angular momentum | OAM | 256 | 12 | 2.006015 | 1803.02048,1803.03188,etc |
| 15 | full width at half maximum | FWHM | 47 | 11 | 1.000878 | 1803.10077,1803.03157,etc |
| 16 | continuous wave | CW | 56 | 11 | 1.002168 | 1803.06179,1803.08742,etc |
| 17 | kohn sham | KS | 208 | 11 | 2.003641 | 1803.01421,1803.02519,etc |
| 18 | quantum electrodynamics | QED | 124 | 10 | 1.001576 | 1803.06532,1803.07547,etc |
| 19 | standard model | SM | 53 | 10 | 1.000707 | 1803.06532,1803.02202,etc |
| 20 | ordinary differential equation | ODE | 90 | 10 | 2.001103 | 1803.02915,1803.09178,etc |
| 21 | one dimensional | 1D | 65 | 10 | 1.001228 | 1803.03452,1803.06358,etc |
| 22 | direct numerical simulations | DNS | 65 | 9 | 2.001332 | 1803.07619,1803.09333,etc |
| 23 | hartree fock | HF | 252 | 9 | 2.003952 | 1803.04776,1803.05479,etc |
| 24 | probability density function | PDF | 133 | 9 | 2.001512 | 1803.10694,1803.02676,etc |
| 25 | dark matter | DM | 380 | 9 | 2.005584 | 1803.07547,1803.10264,etc |
| 26 | radio frequency | RF | 110 | 9 | 1.005219 | 1803.10598,1803.07891,etc |
| 27 | power spectral density | PSD | 54 | 9 | 2.001047 | 1803.00065,1803.10264,etc |
| 28 | general relativity | GR | 162 | 8 | 2.001812 | 1803.09872,1803.02191,etc |
| 29 | magnetohydrodynamic | MHD | 100 | 8 | 2.003634 | 1803.01344,1803.10207,etc |
| 30 | fast fourier transform | FFT | 33 | 8 | 1.000661 | 1803.03472,1803.10207,etc |
| 31 | magneto optical trap | MOT | 68 | 8 | 2.003112 | 1803.08115,1803.06450,etc |
| 32 | magnetohydrodynamics | MHD | 170 | 8 | 1.00386 | 1803.03187,1803.01614,etc |
| 33 | deutsche forschungsgemeinschaft | DFG | 8 | 8 | 1.000128 | 1803.05488,1803.03953,etc |
| 34 | transverse electric | TE | 73 | 8 | 2.001745 | 1803.09286,1803.02662,etc |
| 35 | local density approximation | LDA | 157 | 8 | 1.010289 | 1803.09740,1803.06331,etc |
| 36 | center of mass | CoM | 65 | 8 | 1.001466 | 1803.04399,1803.00964,etc |
| 37 | graphics processing unit | GPU | 42 | 7 | 2.001128 | 1803.04493,1803.00858,etc |
| 38 | finite difference time domain | FDTD | 14 | 7 | 1.000316 | 1803.10694,1803.04941,etc |
| 39 | principal component analysis | PCA | 63 | 7 | 1.001417 | 1803.05938,1803.07711,etc |
| 40 | transverse magnetic | TM | 64 | 7 | 1.002373 | 1803.07547,1803.02662,etc |
| 41 | chemical vapor deposition | CVD | 19 | 7 | 1.000936 | 1803.08458,1803.08690,etc |
| 42 | time projection chamber | TPC | 77 | 7 | 2.002686 | 1803.07935,1803.03260,etc |
| 43 | field programmable gate array | FPGA | 17 | 7 | 1.000668 | 1803.01581,1803.09775,etc |
| 44 | gas electron multiplier | GEM | 344 | 7 | 2.0077 | 1803.07258,1803.03260,etc |
| 45 | region of interest | ROI | 29 | 7 | 1.000557 | 1803.05840,1803.06894,etc |
| 46 | machine learning | ML | 57 | 7 | 2.001689 | 1803.00838,1803.03212,etc |
| 47 | generalized gradient approximation | GGA | 24 | 7 | 2.00032 | 1803.00776,1803.05460,etc |
| 48 | second harmonic generation | SHG | 28 | 6 | 2.000847 | 1803.06889,1803.06061,etc |
| 49 | printed circuit board | PCB | 28 | 6 | 1.000905 | 1803.06462,1803.04841,etc |
| 50 | proper orthogonal decomposition | POD | 53 | 6 | 2.001428 | 1803.07619,1803.03365,etc |
| 51 | configuration interaction | CI | 321 | 6 | 2.00387 | 1803.06532,1803.04341,etc |
| 52 | spatial light modulator | SLM | 26 | 6 | 2.00152 | 1803.10694,1803.01776,etc |
| 53 | potential energy surface | PES | 85 | 6 | 2.007434 | 1803.04433,1803.05599,etc |
| 54 | time dependent density functional theory | TD-DFT | 72 | 6 | 2.002373 | 1803.05479,1803.01421,etc |
| 55 | probability distribution function | PDF | 65 | 6 | 1.002453 | 1803.02801,1803.03558,etc |
| 56 | random phase approximation | RPA | 63 | 6 | 1.000669 | 1803.00071,1803.02519,etc |
| 57 | direct numerical simulation | DNS | 81 | 6 | 1.001682 | 1803.07330,1803.04604,etc |
| 58 | density matrix renormalization group | DMRG | 173 | 6 | 1.007025 | 1803.04341,1803.05941,etc |
| 59 | cumulative distribution function | CDF | 10 | 6 | 1.000168 | 1803.02676,1803.04743,etc |
| 60 | full width half maximum | FWHM | 17 | 6 | 1.000471 | 1803.04161,1803.03161,etc |
| 61 | nitrogen vacancy | NV | 229 | 6 | 2.004898 | 1803.06179,1803.02863,etc |
| 62 | equation of state | EOS | 41 | 6 | 2.001336 | 1803.03323,1803.02617,etc |
| 63 | microchannel plate | MCP | 41 | 6 | 1.003156 | 1803.07891,1803.09781,etc |
| 64 | infrared | IR | 41 | 6 | 1.000882 | 1803.08330,1803.06331,etc |
| 65 | photoluminescence | PL | 82 | 6 | 2.003727 | 1803.02863,1803.06546,etc |
| 66 | terahertz | THz | 99 | 5 | 2.005862 | 1803.06889,1803.04187,etc |
| 67 | natural science foundation of china | NSFC | 7 | 5 | 1.000121 | 1803.00395,1803.07509,etc |
| 68 | artificial neural network | ANN | 296 | 5 | 2.007681 | 1803.00133,1803.00222,etc |
| 69 | convolutional neural network | CNN | 60 | 5 | 1.001779 | 1803.04493,1803.08606,etc |
| 70 | perturbation theory | PT | 86 | 5 | 2.002108 | 1803.05217,1803.03156,etc |
| 71 | silicon nitride | SiN | 28 | 5 | 2.001966 | 1803.10484,1803.04917,etc |
| 72 | potential of mean force | PMF | 81 | 5 | 1.003211 | 1803.10694,1803.01308,etc |
| 73 | diffusion monte carlo | DMC | 20 | 5 | 1.000725 | 1803.04433,1803.04341,etc |
| 74 | nuclear magnetic resonance | NMR | 46 | 5 | 2.001816 | 1803.07547,1803.03212,etc |
| 75 | expectation maximization | EM | 24 | 5 | 2.000336 | 1803.04241,1803.02726,etc |
| 76 | black hole | BH | 146 | 5 | 2.006681 | 1803.08090,1803.00858,etc |
| 77 | mean field | MF | 79 | 5 | 2.003045 | 1803.09914,1803.07881,etc |
| 78 | coronal mass ejection | CME | 696 | 5 | 2.005862 | 1803.07593,1803.05370,etc |
| 79 | weakly interacting massive particle | WIMP | 50 | 5 | 1.000639 | 1803.07935,1803.10264,etc |
| 80 | free electron laser | FEL | 74 | 5 | 1.008943 | 1803.05540,1803.04670,etc |
| 81 | time dependent schr"odinger equation | TDSE | 57 | 5 | 2.002524 | 1803.04187,1803.02519,etc |
| 82 | ultraviolet | UV | 120 | 5 | 2.002548 | 1803.08330,1803.05329,etc |
| 83 | engineering and physical sciences research council | EPSRC | 12 | 5 | 1.000352 | 1803.04449,1803.07491,etc |
| 84 | national science foundation | NSF | 6 | 5 | 1.000128 | 1803.01112,1803.02954,etc |
| 85 | large eddy simulation | LES | 36 | 5 | 2.000486 | 1803.00222,1803.08897,etc |
| 86 | polarizing beam splitter | PBS | 7 | 5 | 1.000182 | 1803.08746,1803.11160,etc |
| 87 | high performance computing | HPC | 22 | 5 | 1.000145 | 1803.02481,1803.06134,etc |
| 88 | stochastic gradient descent | SGD | 7 | 4 | 1.000173 | 1803.04493,1803.08086,etc |
| 89 | radial distribution function | RDF | 29 | 4 | 1.001289 | 1803.05217,1803.05295,etc |
| 90 | local oscillator | LO | 23 | 4 | 1.001304 | 1803.06462,1803.08248,etc |
| 91 | atomic force microscopy | AFM | 8 | 4 | 1.000299 | 1803.10077,1803.08582,etc |
| 92 | electric dipole moment | EDM | 18 | 4 | 1.000701 | 1803.07547,1803.07891,etc |
| 93 | singular value decomposition | SVD | 12 | 4 | 1.000315 | 1803.03187,1803.08823,etc |
| 94 | quantum dot | QD | 99 | 4 | 2.004204 | 1803.05479,1803.07014,etc |
| 95 | electromagnetic | EM | 48 | 4 | 2.000698 | 1803.08090,1803.08124,etc |
| 96 | interplanetary magnetic field | IMF | 71 | 4 | 1.001693 | 1803.00461,1803.07593,etc |
| 97 | department of energy | DOE | 8 | 4 | 1.000262 | 1803.07503,1803.02468,etc |
| 98 | markov chain monte carlo | MCMC | 11 | 4 | 1.000394 | 1803.07711,1803.04577,etc |
| 99 | root mean square | RMS | 36 | 4 | 2.00205 | 1803.06475,1803.06410,etc |
| 100 | full configuration interaction | FCI | 65 | 4 | 2.005856 | 1803.04341,1803.05941,etc |
|