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(Click for frequent words.) 70 antiparticle 67 antiproton 67 positrons 65 antiparticles 63 kaons 62 muon 62 antiprotons 62 fermion 61 Bose Einstein condensates 61 boson 61 neutralino 61 muons 60 electron neutrinos 60 antineutrinos 60 helium nuclei 60 neutralinos 60 Bose Einstein condensate 60 hydrogen nuclei 60 Bose Einstein condensation 60 ultracold 60 gravitational radiation 59 fermions 59 nucleon 59 helium atom 59 meson 59 strange quark 59 polaritons 59 quantum particle 59 pions 59 quantum superposition 59 atomic nuclei 58 Rydberg atom 58 sodium atoms 58 helium atoms 58 ultracold atoms 58 proton 58 SUSY 58 electron spin 58 phonon 58 muon neutrino 58 exciton 58 bosonic 58 electron 58 neutrons 57 baryon 57 fermionic atoms 57 antihelium 4 57 Mott insulator 57 superfluids 57 photon 57 hydrogen atom 57 hadron 57 neutrino 57 cuprates 57 B meson 57 B mesons 57 antihydrogen 57 diffraction pattern 57 antimatter particles 57 supersolid 57 alpha particles 57 tau neutrinos 57 electron neutrino 56 magnetic flux 56 photoionization 56 electric dipole 56 mesons 56 Dirac equation 56 laser excitation 56 fermionic 56 Muons 56 BaBar 56 gravitational wave 56 gluon 56 axions 56 antiquarks 56 KamLAND 56 gamma ray emission 56 Alfvén waves 56 magnetar 56 X ray pulses 56 cosmic ray 56 X ray emission 56 galactic cosmic rays 56 quantum tunneling 56 Higgs singlet 56 electron beams 56 neutrino oscillation 55 type Ia supernova 55 WIMPs 55 stimulated emission 55 Bullet Cluster 55 Rayleigh scattering 55 antimatter 55 galactic disk 55 orbital angular momentum 55 dipole moment 55 supersymmetric particles 55 Bose Einstein Condensate 55 rubidium atoms 55 graviton 55 particle acceleration 55 gamma rays emitted 55 photons emitted 55 supersymmetric 55 Higgs bosons 55 hydrogen atoms 55 neutral mass spectrometer 55 pseudogap 55 photons 55 ferromagnet 55 excitons 55 positronium 55 blazar 55 decoherence 55 GeV 55 electron positron 55 potassium atoms 55 Fermi LAT 55 nucleons 55 wavefunction 55 dipolar 55 axion 55 optical lattices 55 spherically symmetric 55 Hawking radiation 55 antineutrino 55 plasmon 55 Pauli exclusion 55 hydrino 55 bosons 54 optical lattice 54 sterile neutrinos 54 BaBar experiment 54 absorption spectroscopy 54 Einstein equations 54 exoplanetary 54 electrons 54 diffraction patterns 54 shorter wavelengths 54 extrasolar 54 W boson 54 infall 54 quantum oscillations 54 proton neutron 54 electron positron pairs 54 superfluid 54 microquasar 54 photoemission 54 massless particles 54 Cancri e 54 HD#b 54 proton proton collisions 54 solar neutrinos 54 quantum correlations 54 absorption spectra 54 interstellar clouds 54 nuclei 54 J# +# [002] 54 blazars 54 SN #A 54 quasiparticles 54 YORP 54 Fermions 54 atoms 54 muon neutrinos 54 millisecond pulsar 54 weakly interacting 54 PSR J# 53 surface plasmons 53 proton proton 53 photon beam 53 interferometers 53 spectroscopic technique 53 Ketterle 53 Seebeck effect 53 ferromagnetism 53 antihelium 53 helium ions 53 neutrinos 53 strange quarks 53 photon counting 53 MRFM 53 deuterium atoms 53 electron spins 53 ionized gas 53 rubidium vapor 53 Schroedinger 53 spectroscopically 53 spectroscopic analysis 53 accretion disk 53 spacetime 53 deuterium 53 Feshbach resonance 53 photon energies 53 photoluminescence 53 relativistic particles 53 Awschalom 53 silicon monoxide 53 blackbody 53 MINOS 53 protons 53 tau neutrino 53 extragalactic 53 accretion disks 53 Gal Yam 53 electron orbits 53 quark gluon plasma 53 linearly polarized 53 magnons 53 photon fluorescence 53 quantum entanglement 53 electron pairing 53 sterile neutrino 53 blackbody radiation 53 subatomic particle 53 inelastic scattering 53 quasiparticle 53 photoelectrochemical 53 copper oxide superconductors 53 DZero 52 magnetic reconnection 52 WASP #b 52 keV 52 RHIC 52 lepton 52 emit X rays 52 relativistic protons 52 Alfven waves 52 chirality 52 quantum chromodynamics 52 photon detector 52 neutron beam 52 proton decay 52 electrons orbiting 52 hyperfine 52 electron electron 52 unconventional superconductivity 52 positronium atoms 52 lithium atoms 52 beryllium ion 52 fluorescence spectroscopy 52 ultracold polar molecules 52 atomic particles 52 radial velocity method 52 phosphorus atom 52 coronal heating 52 Borexino 52 ARPES 52 Gamma rays 52 UV photons 52 CERN LHC 52 gravitational interaction 52 stellar occultations 52 positron emitting 52 neutron spectrometer 52 undulator 52 baryons 52 hadrons 52 LSND 52 ferromagnetic 52 magnetization 52 LENR 52 GQ Lupi 52 particles WIMPs 52 radiotracer 52 fermionic condensate 52 eclipsing binary 52 D meson 52 weak gravitational lensing 52 cometary material 52 photochemistry 52 VHE gamma rays 52 nanobacteria 52 photoelectron spectroscopy 52 excitation energies 52 photon beams 52 geoneutrinos 52 electron tunneling 52 attosecond 52 Cold Dark Matter 52 spin excitations 52 x ray pulses 52 superconducting materials 52 phonons 52 electronic excitations 52 laser desorption 52 electron scattering 52 THz radiation 52 oxygen atom 52 ionisation 52 cosmic ray particles 52 adiabatic 52 cesium atom 52 superlattices 52 toroid 52 Mercury magnetosphere 52 DZero experiment 52 interferometer 52 powder diffraction 52 nanoprobe 52 detect gamma rays 52 superpositions 52 Adam Riess 52 ion traps 52 chlorine peroxide 52 terahertz waves 52 ionised 52 VLTI 52 neutron radiation 51 paramagnetic 51 Super Kamiokande 51 gravitons 51 colloidal particles 51 magnetic excitations 51 HM Cancri 51 relativity theory 51 neutron star 51 magnetic dipole 51 leptons 51 uranium deuteride 51 electrospray ionization 51 Crab Pulsar 51 neutron scattering experiments 51 photoelectron 51 NMR spectra 51 intrinsic brightness 51 HD #b [002] 51 magnetic anisotropy 51 Casimir cavity 51 gamma rays 51 ion beams 51 V# Mon 51 Mössbauer 51 sonoluminescence 51 hydrogens 51 photochemical reactions 51 microwave photon 51 radiative recombination 51 Z boson 51 magnetic monopoles 51 electron volt 51 particle beams 51 photoelectric effect 51 σ 51 microcavities 51 polariton 51 quantized 51 Type Ic supernova 51 hyperpolarization 51 SIRTF 51 excitations 51 emit photon 51 gravitational redshift 51 Saturn magnetosphere 51 parahydrogen 51 ZPE 51 infalling 51 Paul Dirac 51 neutron beams 51 tokamak 51 nonequilibrium 51 gaseous 51 anomalous cosmic rays 51 quark 51 electron diffraction 51 nitrogen atoms 51 quantum mechanically 51 optical wavelengths 51 protons neutrons 51 active galactic nuclei 51 cosmological constant 51 fluorescence resonance energy 51 x ray beam 51 nanodots 51 macromolecule 51 Keck Interferometer 51 valence electron 51 valence electrons 51 radial velocity technique 51 ultrasonic vibrations 51 Brownian motion 51 superconducting 51 unpolarized 51 elastic moduli 51 pion 51 antiparallel 51 entangled photons 51 electron orbiting 51 QCD 51 George Gamow 51 starburst galaxies 51 photometer 51 microcavity 51 diffusion coefficient 51 Type Ia supernova 51 lattice vibrations 51 linac 51 Antimatter 51 UVOT 51 superlattice 51 ESO PR 51 circularly polarized light 51 dimer 51 magnetospheric 51 Higgs Boson particle 51 ESA Integral 51 OGLE TR #b 51 X ray wavelengths 51 electron pairs 51 Rydberg atoms 51 Cassini ion 51 neutron 51 Tokamak 51 nucleosynthesis 51 Krimigis 51 GRB #B 51 ionise 50 angle resolved photoemission 50 silicate dust 50 post perovskite 50 uncharged particles 50 antiquark 50 donor acceptor 50 W bosons 50 MiniBooNE 50 magnetic monopole 50 neutrino oscillations 50 ceria 50 Neutrons 50 Fermi telescope 50 GRB# 50 energetic electrons 50 mass spectroscopy 50 Upsilon Andromedae 50 supernovae 50 ionize 50 gravitational waves 50 topological insulators 50 cuprate superconductors 50 protostar 50 ultrashort pulses 50 interferometry 50 microwave photons 50 alpha particle 50 gamma ray photons 50 atomic fission 50 ab initio calculations 50 gamma ray radiation 50 pseudogap phase 50 relativistic 50 photolysis 50 hydrogen ions 50 distant quasar 50 QGP 50 electro optic modulator 50 electrons positrons 50 MeV 50 laser pulse 50 subatomic 50 neutrino experiments 50 qubit 50 Cerenkov radiation 50 electron density 50 cryostat 50 topological insulator 50 Laboratory SSRL 50 Josephson junction 50 strangelets 50 cosmic rays 50 electron transistor 50 X ray spectrometer 50 nitrogen atom 50 photonic crystal 50 blue supergiant 50 Kailash Sahu 50 proton antiproton collisions 50 γ 50 resonant tunneling 50 electrons protons 50 ion microscope 50 infrared laser beam 50 RS Ophiuchi 50 spectroscope 50 electron accelerator 50 particle beam 50 ChemCam 50 ESA XMM Newton 50 photon laser 50 supersymmetry 50 general relativity 50 radial velocity 50 dwarf spheroidal 50 photoactivation 50 God Particle 50 antiferromagnets 50 proton accelerator 50 X ray telescopes 50 absorbs photon 50 evanescent waves 50 photon absorption 50 ions 50 cuprate 50 RXTE 50 superstrings 50 multiferroic 50 fluorophores 50 AGNs 50 Bosons 50 orbitals 50 gamma ray burst 50 atomic nucleus 50 gamma ray astronomy 50 attosecond pulses 50 polarimetry 50 magnetic fields 50 CMB radiation 50 quantum particles 50 solitons 50 Eta Carinae 50 optical coherence 50 Dauphas 50 fluorescent molecules 50 Earth magnetosphere 50 wave particle duality 50 periodicities 50 angular momentum 50 quantum electrodynamics 50 optical modulator 50 Jupiter magnetosphere 50 scanning microscopy 50 beryllium ions 50 perturbation theory 50 Cepheids 50 SAXS 50 magnetic resonance NMR spectroscopy 50 hydrogen deuterium 50 stilbene 50 interparticle 50 polarized electrons 50 Nima Arkani Hamed 50 interstellar medium 50 scanning tunneling microscope 50 quadrupole 50 semiconducting nanowires 50 cosmic ray flux 50 LHC experiments 50 nanocrystal 50 Roukes 50 CoRoT 50 multiphoton 50 ionization 50 FRET 50 physicists 49 Raman scattering 49 laser spectroscopy 49 Churyumov Gerasimenko 49 photoemission spectroscopy 49 Brookhaven Relativistic Heavy 49 superfluid helium 49 Maxwell equations 49 tholins 49 magnetic tweezers 49 manganite 49 pulsar 49 synchrotron radiation 49 dimers 49 Heisenberg 49 matter antimatter asymmetry 49 JLab 49 dimensional electron 49 collimators 49 NMR spectroscopy 49 Gravitational lensing 49 superlens 49 SN #D 49 YORP effect 49 RS Oph 49 sonofusion 49 KIPAC 49 Ultracold 49 phosphorus atoms 49 planetary nebulae 49 planet orbiting 49 SN #gy 49 Schrödinger cat 49 planetesimals 49 radial velocity measurements 49 3He 49 θ 49 neutrino experiment 49 electron ion 49 Heisenberg uncertainty principle 49 protons electrons 49 x ray scattering 49 electromagnetic flux 49 SMBH 49 excitation 49 emit photons 49 dynamical evolution 49 UDFy # 49 high temperature superconductivity 49 kcal mol 49 Astrophysics Cambridge Mass. 49 transmission electron microscope 49 synchrotron X ray 49 neutrino beam 49 quantum phenomena 49 particle 49 kelvin 49 particle colliders 49 JQI 49 X ray observatory 49 Zecotek MAPD 49 homochirality 49 quantum cascade lasers 49 brown dwarf 49 macroscopic objects 49 velocity dispersion 49 ions electrically charged 49 circumstellar disk 49 Quantum entanglement 49 delocalized 49 helical structures 49 galactic nucleus 49 Type Ia supernovae 49 beamline 49 superconductor 49 GJ #b [001] 49 chemiluminescence 49 oppositely charged 49 photomultiplier tubes 49 surface plasmon 49 CdSe 49 electrons emitted 49 blue straggler 49 hydrogen isotopes deuterium 49 cosmic phenomena 49 protoplanet 49 z = 49 high temperature superconductors 49 XTE J# 49 ultracold gas 49 infrared photons 49 shear modulus 49 gravitational lens 49 Einstein theories 49 monochromator 49 XMM Newton observations 49 Dirac fermions 49 CALIPSO 49 particle accelerators 49 X ray binaries 49 SINFONI 49 gravitational lensing 49 enthalpy 49 gravitational wobbles 49 asymptotic freedom 49 particle detectors 49 Fermilab accelerator 49 Keck telescope 49 proton beam 49 Spectrometer 49 ultraviolet wavelengths 49 titania nanotubes 49 corona discharge 49 spectral measurements 49 topological defects 49 dinitrogen 49 submillimeter wavelengths 49 extrasolar planet 49 Gell Mann 49 substorm 49 multiwavelength 49 ion beam 49 Stanford Synchrotron Radiation 49 cosmic strings 49 electron doped 49 oppositely directed 49 distant supernovae 49 particle physics experiments 49 quantum mechanics 49 quasar 49 SMBHs 49 radiative 49 fluorescence spectra 49 ultracold gases 49 ionizing 49 strontium atoms 49 cosmic cannibal 49 vibrationally excited 49 metastable 49 supermassive black hole 49 helium ion 49 SQUIDs 49 Particle physics 49 galaxy cluster 49 Neils Bohr 49 thermal decomposition 49 GRB # 49 acoustic cavitation 49 biomolecule 49 noble gases 49 EPOCh 49 magma ocean 49 superconducting qubits 49 diamagnetic 49 Wolfgang Pauli 49 Comet Hartley 49 plasmons 49 soliton 49 colliding protons 49 active galactic nucleus 49 optical resonator 49 femtosecond 49 CMB photons 49 X ray beam 49 Carbon dioxide CO2 49 terahertz radiation 49 Kaluza Klein 49 Weakly Interacting Massive Particles 49 Nernst 49 Gravitational waves 49 JILA 49 quantum coherence 49 quantum cascade laser 49 collimator 49 gravitational 49 diatomic 49 fluorophore 49 κ 49 Einstein theory 49 gravitational attraction 49 Djorgovski 48 dye molecules 48 spatially resolved 48 physicist Max Planck 48 Federico Capasso 48 Yarkovsky effect 48 Wigner 48 foreground galaxy 48 semiconducting materials 48 retrograde orbits 48 superposition 48 Mott insulators 48 relativistic proton dark 48 photon pairs 48 cesium atoms 48 Attosecond 48 spherical particle 48 X ray diffraction XRD 48 Henize #-# 48 rubidium atom 48 backscattered 48 rotational axis 48 planet orbits 48 lightwaves 48 deuterium tritium 48 antiferromagnetic 48 circumstellar 48 ultracold temperatures 48 charm quark 48 Kazantzidis 48 photocurrent 48 phytochrome 48 frequency comb 48 magnon 48 magnetars 48 birefringence 48 Heisenberg Uncertainty Principle 48 ultrashort laser pulses 48 cobalt atom 48 Photons 48 dopants 48 SSRL 48 absorbs photons 48 CoRoT 7b 48 trimers 48 electron positron collider 48 ATLAS detector 48 voltaic 48 planetary Transits 48 millimeter wavelengths 48 intramolecular 48 optical interferometry 48 ionizes 48 semiconductor quantum dots 48 strontium titanate 48 quasicrystal 48 ultracold molecules 48 emits photons 48 terawatt 48 Raman spectroscopy 48 bilayer graphene 48 nanorod 48 ATRP 48 thermonuclear fusion 48 magnetoresistance 48 coronal loop 48 cosmic ray electrons 48 quantum theory 48 fluorescence excitation 48 photometry 48 Oganessian 48 nanobelts 48 neutron scattering 48 neutrino particles 48 Bessel beam 48 orbital eccentricity 48 MG J# +# 48 antihydrogen atoms 48 #gy 48 Bose Einstein 48 isotropic 48 photothermal 48 gravitational wobble 48 LHCb 48 Hanny Voorwerp 48 hydrophobic interactions 48 Solar TErrestrial RElations Observatory 48 Higgs particle 48 exoplanets orbiting 48 Spectroscopic 48 frictional heating 48 ESA Cluster 48 magnetotail 48 macroscopic quantum 48 Bojowald 48 atom smashers 48 synchrotrons 48 stellar occultation 48 Gliese #c 48 photosystem 48 fs pulses 48 electromagnetic induction 48 laser pulses 48 artificial photosynthesis 48 electroweak 48 cosmic ray collisions 48 cosmological theories 48 AB Aurigae 48 hypervelocity star 48 elongated orbit 48 supernova SN 48 Planck spacecraft 48 NASA Wilkinson Microwave 48 quantum mechanical 48 Hot Jupiters 48 gamma ray observatory 48 RHESSI 48 orbital resonance 48 strangelet 48 vibrational frequency 48 emits photon 48 solar corona 48 anion 48 Supernovae 48 collinear 48 bilayer 48 linearly polarized light 48 supercurrent 48 nanocrystals 48 Einstein cosmological constant 48 bolometer 48 gamma ray telescopes 48 X ray photon 48 Friis Christensen 48 heavy fermion 48 photosphere 48 force microscopy AFM 48 magnetron 48 vortices 48 vibrational spectroscopy 48 fluorescing 48 Earth magnetotail 48 BP Piscium 48 martensite 48 Adaptive optics 48 femtosecond pulses 48 XMM Newton satellite 48 ionised gas 48 DFT calculations 48 Fomalhaut b 48 microscopy technique 48 californium 48 Crab pulsar 48 Gliese #e 48 spectroscopic techniques 48 dopant 48 quarks 48 brown dwarfs 48 cantilever deflection 48 metallicity 48 induced fluorescence 48 NanoSIMS 48 femtosecond timescale 48 astrophysical 48 ROSAT 48 atmospheric aerosols 48 elliptical galaxy 48 YBCO 48 lensless imaging 48 VUV 48 magnetisation 48 cosmological distances 48 diamond anvil 48 ionized 48 Nanoprobe 48 synchrotron x ray 48 nanolaser 48 pentaquark 48 merging galaxies 48 galaxy formation 48 nanomagnets 48 magnetic nanoparticle 48 ion collisions 48 exosphere 48 scintillator 48 crystallographic 48 gravitationally 48 multipartite entanglement 48 quantum dot lasers 47 nonlinear optics 47 terahertz rays 47 P/# A2 47 fluorescently tagged 47 PSR J# +# 47 quantum dot 47 electrospray 47 hydrides 47 coronal loops 47 subatomic particles 47 highly collimated 47 superconducting qubit 47 solar nebula 47 Cherenkov radiation 47 airglow 47 nanoworld 47 FTIR spectroscopy 47 fullerene 47 dispersive 47 silicon atoms 47 emission spectroscopy 47 tetragonal 47 Schematic illustration 47 gamma ray photon 47 Gamow 47 sulfate aerosol 47 colliders 47 Coulomb blockade 47 rubidium 47 femtosecond laser pulses 47 superheavy elements 47 nebular 47 Saturn auroras 47 fission fusion 47 SPring 8 47 Laser Interferometer Gravitational Wave 47 Erwin Schrödinger 47 Quantum teleportation 47 supergiant stars 47 Alycia Weinberger 47 Jeffrey Hangst 47 chemically reactive 47 neutrino mass 47 superfluidity 47 photodetector 47 ionized particles 47 Ytterbium 47 Earth Connection Coronal 47 frequency combs 47 meridional flow 47 dwarf galaxy 47 meteoroid 47 stellar seismology 47 bolometers 47 ZnSe 47 spectroscopic 47 atom 47 Nanomechanical 47 planet Uranus 47 NASA Far Ultraviolet 47 Hipparcos 47 Kuiper belt objects 47 Spectrograph 47 Suslick 47 electroluminescence 47 electron laser 47 Collider Detector 47 PSR B# 47 absorbance 47 spin Seebeck 47 sulfur atom 47 hot Jupiters 47 Konacki 47 Magellanic Stream 47 Gaensler 47 optical spectroscopy 47 Wolfgang Ketterle