Related by context. Frequent words. (Click for all words.) 55 quark 55 porphyrin 54 particle 54 positrons 54 dispersive 53 nitrogen atoms 53 fermions 52 Hawking radiation 52 dimers 52 Higgs particle 51 cuprates 51 electron density 51 excitations 51 subatomic particle 51 antiprotons 50 muons 50 crystallographic 50 tetrahedral 50 baryons 50 photonic crystal 50 protein fragment 50 quantized 50 X ray diffraction 49 globular cluster 49 WIMPs 49 colloidal 49 anion 49 absorbance 49 bosons 49 Fig. 1A 49 phonons 49 oxygen atom 49 anisotropy 49 reactant 49 QCD 48 positron 48 quark gluon plasma 48 colloid 48 nanocrystalline 48 muon 48 God Particle 48 chromophore 48 silicates 48 chirality 48 neutrino 48 high temperature superconductivity 47 nanodiamonds 47 multicomponent 47 Bose Einstein condensate 47 Bernoulli 47 Raman spectroscopy 47 deuterium 47 Brownian motion 47 GeV 47 dimer 47 dopant 47 diffraction 47 magnetization 47 ionization 47 nanosized 47 supersymmetry 47 exciton 46 biomolecule 46 quantum theory 46 nanoscopic 46 electron 46 fullerene 46 superposition 46 sinusoidal 46 quanta 46 quantum gravity 46 nuclei 46 cosmological constant 46 gravitational lensing 46 microstructures 46 superfluid 46 radial velocity 46 superfluidity 46 compressibility 46 hydrogen atoms 46 phonon 46 molecule 46 Cepheids 46 ionisation 46 nanometer sized 46 invariant 46 excitons 46 symmetries 46 optical lattice 46 photon 46 quantum mechanics 46 toroidal 46 elemental composition 46 spectroscopic 46 active galactic nuclei 46 optical microscopy 46 frequency comb 46 atoms 45 hydrogen atom 45 dopants 45 oscillatory