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Physical Review Letters, ISSN 0031-9007, 2006, Volume 97, Issue 9
Journal Article
Physical Review Letters, ISSN 0031-9007, 08/2016, Volume 117, Issue 7, p. 072501
Local Lorentz invariance violating (LLIV) and Einstein equivalence principle violating (EEPV) effects in atomic experiments are discussed. The EEPV effects are... 
TRANSITION | LIMITS | TH-229 | ENERGY | EXCITATION | SPECTROSCOPY | PHYSICS, MULTIDISCIPLINARY | IONS | SPATIAL ANISOTROPY | CPT VIOLATION | DIPOLE | Mathematical analysis | Texts | Constants | Nuclei (nuclear physics) | Invariance | Nuclei | Quadrupoles | Equivalence principle
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 03/2010, Volume 81, Issue 3
Journal Article
Physical Review Letters, ISSN 0031-9007, 10/2007, Volume 99, Issue 15
Journal Article
Physical Review Letters, ISSN 0031-9007, 04/2017, Volume 118, Issue 14
Journal Article
Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, 02/2014, Volume 89, Issue 4
We show that the interaction of an axion field, or in general a pseudoscalar field, with the axial-vector current generated by an electron through a... 
MASS DENSITY | NEUTRON | T-ODD | ODD ELECTROMAGNETIC MOMENTS | CLUSTERS | SEARCH | ASTRONOMY & ASTROPHYSICS | SOLAR AXIONS | DARK-MATTER | CONSTRAINTS | CP CONSERVATION | PHYSICS, PARTICLES & FIELDS
Journal Article
Physical Review Letters, ISSN 0031-9007, 11/2015, Volume 115, Issue 20, p. 201301
We demonstrate that massive fields, such as dark matter, can directly produce a cosmological evolution of the fundamental constants of nature. We show that a... 
INVISIBLE AXION | CP INVARIANCE | PHYSICS, MULTIDISCIPLINARY | TIME-VARIATION | MASS | CONSTRAINTS | UNIFICATION | HARMLESS AXION | MODEL | FINE-STRUCTURE CONSTANT | DILATON | Standard model (particle physics) | Dark matter | Atomic beam spectroscopy | Abundance | Constants | Oscillating | Evolution | Nuclei (nuclear physics)
Journal Article
Physical Review Letters, ISSN 0031-9007, 04/2015, Volume 114, Issue 16, p. 161301
Any slight variations in the fundamental constants of nature, which may be induced by dark matter or some yet-to-be-discovered cosmic field, would... 
INVARIANCE | SPATIAL VARIATION | EVOLUTION | PHYSICS, MULTIDISCIPLINARY | SPACE-TIME VARIATION | ATOMS | CP CONSERVATION | AXION | FINE-STRUCTURE CONSTANT | CLOCKS | Dark matter | Searching | Lasers | Masers | Constants | Oscillating | Physical properties | Interferometry
Journal Article
Physics Reports, ISSN 0370-1573, 2004, Volume 397, Issue 2, pp. 63 - 154
High-precision measurements of violations of fundamental symmetries in atoms are a very effective means of testing the standard model of elementary particles... 
BODY PERTURBATION-THEORY | P-ALPHA-SCATTERING | NONCONSERVING OPTICAL-ROTATION | PHYSICS, MULTIDISCIPLINARY | PARITY NON-CONSERVATION | ELECTRIC-DIPOLE-MOMENT | WEAK NEUTRAL CURRENTS | TIME-REVERSAL INVARIANCE | HIGH-ACCURACY CALCULATION | NUCLEAR ANAPOLE MOMENTS | HARTREE-FOCK-CALCULATION
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 02/2013, Volume 87, Issue 2
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 02/2015, Volume 91, Issue 2
We study the Ho14+ ion as a candidate for an extremely accurate and stable optical atomic clock which is sensitive to the time variation of the fine-structure... 
ELECTRON | OPTICS | FUNDAMENTAL CONSTANTS | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 2006, Volume 73, Issue 3
We show that the relative effect of variation of the fine-structure constant in microwave transitions between very close and narrow rotational-hyperfine levels... 
PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | OPTICS
Journal Article
Physical Review Letters, ISSN 0031-9007, 09/2014, Volume 113, Issue 10, p. 103003
Recent measurements in paramagnetic molecules improved the limit on the electron electric dipole moment (EDM) by an order of magnitude. Time-reversal (T) and... 
MEASURABILITY | PARITY | APPROXIMATION | SPECTROSCOPY | PHYSICS, MULTIDISCIPLINARY | ELECTRIC-DIPOLE MOMENT | SEARCH | ENHANCEMENT | ATOMS | LIMIT | THALLIUM FLUORIDE | Mathematical analysis | Electric dipoles | Quarks | Deformation effects | Nuclei | Quadrupoles | Dipole moment | Symmetry
Journal Article
Physical Review Letters, ISSN 0031-9007, 06/2007, Volume 98, Issue 24, p. 240801
We obtain the limit on the space-time variation of the ratio of the proton mass to the electron mass, mu=m(p)/m(e), based on comparison of quasar absorption... 
Journal Article
Physical Review Letters, ISSN 0031-9007, 10/2011, Volume 107, Issue 19, p. 191101
We previously reported Keck telescope observations suggesting a smaller value of the fine structure constant alpha at high redshift. New Very Large Telescope... 
PHYSICS, MULTIDISCIPLINARY | SPECTROGRAPH | SPECTRA | TIME-VARIATION | WAVELENGTH CALIBRATION | ACCURACY
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 01/2008, Volume 77, Issue 1
Phys. Rev. A, 77, 012515 (2008) Dependence of transition frequencies on the fine structure constant $\alpha=e^2/\hbar c$ is calculated for several... 
Physics - Atomic Physics
Journal Article
Physical Review Letters, ISSN 0031-9007, 10/2014, Volume 113, Issue 15, p. 151301
We propose schemes for the detection of topological defect dark matter using pulsars and other luminous extraterrestrial systems via nongravitational... 
PULSAR GLITCHES | EQUATION-OF-STATE | NUCLEI | SPIN | PHYSICS, MULTIDISCIPLINARY | ELECTRIC-DIPOLE MOMENT | NEUTRON-STARS | LIMIT | OPTICAL LATTICE CLOCK | SUPERFLUIDITY | Earth | Dark matter | Pulsars | Topology | Signatures | Extraterrestrial environments | Nuclei | Defects
Journal Article
Physical Review Letters, ISSN 0031-9007, 10/2012, Volume 109, Issue 18, p. 180801
We propose a novel class of atomic clocks based on highly charged ions. We consider highly forbidden laser-accessible transitions within the 4f(12)... 
PHYSICS, MULTIDISCIPLINARY | Bismuth - chemistry | Transition Elements - chemistry | Quantum Theory | Cations - chemistry | Palladium - chemistry | Optics and Photonics - methods
Journal Article
Physical Review Letters, ISSN 0031-9007, 11/2012, Volume 109, Issue 20, p. 203003
We apply the sum-over-states approach to calculate partial contributions to parity nonconservation (PNC) in cesium [Porsev, Beloy, and Drevianko, Phys. Rev.... 
TRANSITION | PERTURBATION-THEORY | STANDARD MODEL | PHYSICS, MULTIDISCIPLINARY | SUMMATION | ENERGY-LEVELS | HIGH-ACCURACY CALCULATION | ATOM
Journal Article
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