Related by context. Frequent words. (Click for all words.) 71 excitations 69 electron density 68 dispersive 66 exciton 65 quantized 65 anisotropy 63 magnetization 63 absorbance 62 excitons 62 isotropic 62 Supplementary Fig 62 keV 62 cuprates 61 photonic crystal 61 transduction 61 superposition 61 conductance 61 Fig. 1A 61 bosons 60 amplitudes 60 superfluid 60 dopant 60 radiative 60 ferromagnetic 60 electron 60 GPa 59 macroscopic 59 dopants 59 phonons 59 Bose Einstein condensate 59 z = 59 QDs 59 bilayer 59 dipoles 59 magnetic flux 59 submicron 59 crystal lattice 58 resonators 58 dielectric constant 58 excitation 58 Hawking radiation 58 picosecond 58 photodetector 58 diffraction 58 SWNTs 58 singularities 58 dynamical 58 alpha particles 58 chirality 58 anisotropic 58 qubit 58 superconductivity 58 interfacial 58 bandgap 58 terahertz radiation 57 numerical simulations 57 interferometry 57 FRET 57 Fig. 57 spectra 57 invariant 57 toroidal 57 nuclei 57 interferometer 57 photon 57 transmembrane 57 angular momentum 57 MeV 57 analyte 57 spacetime 57 quanta 57 SiO 2 57 vibrational 57 dimers 57 biomolecule 57 atoms 57 oscillation 57 morphologies 57 porphyrin 57 helices 57 attosecond 56 GeV 56 entropy 56 hydrogen atom 56 nanoscopic 56 confocal microscopy 56 photons 56 dimer 56 X ray emission 56 electron mobility 56 quantum mechanical 56 resonant frequency 56 quantization 56 fluorophores 56 redshifts 56 plasmonic 56 dipole 56 atomic nucleus 56 Brownian motion 56 subatomic particle 56 visible wavelengths