Related by context. Frequent words. (Click for all words.) 65 atoms 64 electrons 64 superconducting 64 superconductor 63 superconductivity 63 magnetization 62 dynamical 60 electron 59 hydrogen atoms 59 vortices 59 neutron star 58 superconductors 58 photons 58 qubit 58 graphene 58 conductance 58 oxygen atoms 57 nanocrystals 57 quantum mechanical 57 magnetosphere 57 magnetic fields 57 galaxy clusters 57 macroscopic 57 nuclei 57 supermassive black hole 57 quasar 56 neutron stars 56 subatomic particles 56 neutrino 55 gaseous 55 neutrons 55 supermassive black holes 55 galaxies 55 photon 55 organic molecules 55 ions 54 filaments 54 quarks 54 supernovae 54 quantum dot 54 electron spin 54 brown dwarfs 54 conductivity 53 corona 53 microscale 53 Saturn rings 53 nanowire 53 Enceladus 53 particles 53 neutrinos 53 convective 53 deuterium 53 nanotubes 53 rocky planets 53 quasars 52 excitation 52 gravitational 52 proton 52 oscillations 52 silicate 52 ionized 52 gravitational waves 52 qubits 52 brown dwarf 52 astrophysical 52 quantum dots 52 nanotube 52 nanostructure 52 crystalline 51 supernova 51 filament 51 spherical 51 particle 51 adsorption 51 gluons 51 refractive index 51 water vapor 51 atomic particles 51 electrochemical 51 protons 51 magnetic 51 Iapetus 51 dielectric 51 ionization 51 positrons 50 liquid helium 50 metamaterial 50 ionosphere 50 cosmic microwave background 50 vibrational 50 quark 50 pulsar 50 crystals 50 molecules 50 nanoscale 50 nanowires 50 interstellar space 49 nanostructures 49 general relativity 49 nebulae 49 metal ions