Related by context. Frequent words. (Click for all words.) 68 quantum mechanics 65 quantum theory 63 quantum mechanical 63 Brownian motion 62 quantum entanglement 62 differential equations 62 high temperature superconductivity 61 spacetime 61 cosmological 61 quantum gravity 61 interferometry 60 singularities 60 topological 60 electromagnetism 60 QCD 60 quantum physics 59 fractals 59 thermodynamics 59 general relativity 59 fractal 59 superposition 59 symmetries 59 dynamical 59 Newtonian 59 high temperature superconductors 58 isotropic 58 bosons 58 photonic crystal 58 geometrical 58 phenomenological 58 phonons 58 quanta 58 invariant 57 macroscopic 57 theorems 57 scalar 57 fermions 57 equations 57 terahertz radiation 57 polynomial 56 Gaussian 56 cosmologists 56 supersymmetry 56 observable universe 55 gravitational wave 55 nonlinear 55 atomic nuclei 55 galaxy formation 55 numerical simulations 55 anisotropy 55 Einstein theory 55 astrophysical 55 microstructures 55 optical microscopy 55 relativistic 55 cosmology 55 gravitational lensing 55 unobservable 55 thermodynamic 54 theoretic 54 Fourier 54 photonic crystals 54 nanoscale structures 54 chirality 54 excitons 54 antiprotons 54 Dirac 54 mathematical 54 Metamaterials 54 WIMPs 54 subatomic 53 electron beams 53 physics 53 conformations 53 plasmonic 53 photons 53 superfluidity 53 spatial dimensions 53 atoms 53 biomolecule 53 computational methods 53 NMR spectroscopy 53 femtosecond 53 magnetar 52 magnetic fields 52 magnetic flux 52 geometry 52 Photons 52 cosmological constant 52 geometric 52 spectroscopy 52 geometries 52 crystallography 52 entropy 52 Bose Einstein condensate 52 Thermodynamics 52 plasmonics 52 diffraction 52 molecular dynamics 52 torus 52 theoretical calculations