Related by context. Frequent words. (Click for all words.) 68 atoms 64 atomic nuclei 64 electrons 63 nuclei 63 superconductivity 63 photons 63 quantum mechanical 62 quarks 62 superposition 61 subatomic particles 61 electron 60 hydrogen atoms 60 quantum mechanics 60 high temperature superconductors 60 superconductors 60 neutrons 59 semiconducting 59 hydrogen atom 59 qubits 58 qubit 58 oxygen atoms 58 positrons 57 spacetime 57 neutrinos 57 photon 57 magnetization 57 electron spin 57 magnetic fields 57 deuterium 57 quantum theory 57 subatomic 56 atomic particles 56 brown dwarfs 56 nanocrystals 56 dynamical 56 gluons 56 ions 55 neutron stars 55 galaxy clusters 55 protons 55 particles 55 superconductor 55 molecules 54 organic molecules 54 vortices 54 superconducting 54 angular momentum 54 particle 54 macroscopic 54 electromagnetism 54 Electrons 53 monomers 53 quantum dots 53 entropy 53 quantum dot 53 gravitational 53 neutrino 52 proton 52 physicists 52 nanometer scale 52 dwarf galaxies 52 supermassive black holes 52 antimatter 52 rocky planets 52 neutron star 52 gaseous 51 relativistic 51 nanoscale 51 resonators 51 nanotubes 51 supernovae 51 metal ions 51 galaxies 51 ferroelectric 51 general relativity 51 Molecules 51 biomolecules 51 nanostructures 51 brown dwarf 51 quantum physics 51 radioactive decay 51 spiral galaxies 51 metamaterials 51 cosmic rays 51 particle accelerators 50 interstellar medium 50 atom 50 magnetosphere 50 quasars 50 vibrational 50 oscillations 50 electrochemical 50 waveguides 50 subunits 50 molecule 50 physics 50 quasar 49 graphene 49 quark 49 conductance 49 cosmic ray