Related by context. Frequent words. (Click for all words.) 69 quantum mechanics 69 general relativity 66 quantum theory 65 cosmological 64 astrophysical 62 cosmology 61 Einstein theory 60 particle physics 60 quantum physics 60 cosmologists 60 quantum mechanical 57 dynamical 57 astrophysics 57 physicists 57 theoretical physics 56 gravitational waves 56 theoretical physicist 56 astrophysicists 55 physics 55 superconductivity 54 multiverse 54 neutrino 54 galaxy clusters 53 neutron stars 53 subatomic particles 53 quantum computing 53 cosmic microwave background 52 spintronics 52 neutron star 51 subatomic 51 Cosmology 51 supernovae 51 theoretical 50 superconductor 50 relativity 50 macroscopic 50 Higgs boson 50 neutrinos 50 cosmic ray 50 quasars 50 scalar 50 quasar 50 thermodynamic 49 WMAP 49 cosmic 49 relativistic 49 qubits 49 pulsars 49 thermodynamics 49 antimatter 49 biophysical 49 magnetic fields 49 particle accelerators 49 gravitational 48 nanoscale 48 diffraction 48 spectroscopic 48 quarks 48 theorists 48 experimentalists 48 electron 48 astrobiology 48 brown dwarfs 48 photons 48 wormholes 48 qubit 48 astrophysicist 48 graphene 48 fractals 47 atoms 47 Physical Review 47 quark 47 metamaterials 47 distant galaxies 47 spectroscopy 47 RHIC 47 testable 47 Physicists 47 quantum 47 astronomers 47 physicist 47 Astrophysical Journal 47 theorem 47 fractal 47 mathematical 47 photon 47 quantum computers 46 galaxies 46 magnetosphere 46 Physicist 46 Dark Matter 46 experimentally 46 gravitation 46 extrasolar planets 46 Big Bang theory 46 cosmic rays 46 metamaterial 46 catalysis 46 gamma ray bursts 46 interdisciplinary 46 astronomy