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# Browsing Physics by Title

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• (American Physical Society, 2013)
The theoretical description of fermions in the presence of Lorentz and CPT violation is developed. We classify all Lorentz- and CPT-violating and invariant terms in the quadratic Lagrange density for a Dirac fermion, ...
• (American Physical Society, 1988)
We investigate the domain of validity of previously proposed analytical wave functions for atomic quantum-defect theory. This is done by considering the fine-structure splitting of alkali-metal and singly ionized alkaline-earth ...
• (American Physical Society, 2012)
Topological insulators with a time-reversal symmetry-breaking perturbation near the surface present a magnetoelectric response that is quantized when the frequency of the probing fields is much smaller than the surface gap ...
• (American Physical Society, 2012)
The decays $J/\psi\rightarrow\gamma\pi^+\pi^-\pi^0$ and $J/\psi\rightarrow\gamma\pi^0\pi^0\pi^0$ are analyzed using a sample of $225\times10^6$ $J/\psi$ events collected with the BESIII detector. The decay of $\eta(1405) ... • (American Physical Society, 2012) Using a sample of$(225.2±2.8)×10^6J/\psi$events collected with the BESIII detector, we present results of a study of$J/\psi→\gamma\mathit{\Lambda\overline{\Lambda}}$and report the first observation of the isospin ... • (American Physical Society, 2012) Using a sample of$106×10^6\psi(3686)$events collected with the BESIII detector at the BEPCII storage ring, we have made the first measurement of the$M1$transition between the radially excited charmonium$S-wave$... • (American Physical Society, 2012) We calculate the quadratic fluctuations of net baryon number, electric charge and strangeness as well as correlations among these conserved charges in$(2+1)$-flavor lattice QCD at zero chemical potential. Results are ... • (American Physical Society, 2012) Using polarized and unpolarized neutron scattering, we show that interstitial Fe in superconducting$\text{Fe}_{1+y}\text{Te}_{1−x}\text{Se}_x$induces a magnetic Friedel-like oscillation that diffracts at$Q_⊥=(\frac{1}{2} ...
• (American Physical Society, 2012)
We develop a general framework, which combines exact diagonalization in small clusters with a density matrix variational principle, to study frustrated magnets at finite temperature. This thermodynamic hierarchical mean-field ...
• (2013-02-14)
• (American Physical Society, 2006)
A model of neutrino oscillations is presented that has only 3 degrees of freedom and appears compatible with existing data. The model is a subset of the renormalizable sector of the Standard-Model Extension (SME), and it ...
• (American Physical Society, 1989)
We investigate gravitational phenomenology in compactified higher-dimensional theories, with particular emphasis on the consequences in string theory of tensor-induced spontaneous Lorentz-symmetry breaking. The role played ...
• (American Physical Society, 2009)
We investigate a class of theories involving a symmetric two-tensor field in Minkowski spacetime with a potential triggering spontaneous violation of Lorentz symmetry. The resulting massless Nambu-Goldstone modes are shown ...
• (American Physical Society, 2004)
The role of the gravitational sector in the Lorentz- and CPT-violating standard-model extension (SME) is studied. A framework is developed for addressing this topic in the context of Riemann-Cartan spacetimes, which include ...
• (American Physical Society, 2012)
Background: Measurements of neutron radii provide important constraints on the isovector sector of nuclear density functionals and offer vital guidance in areas as diverse as atomic parity violation, heavy-ion collisions, ...
• (American Physical Society, 2012)
We present an improved determination of the total width of the top quark, $\Gamma_t$, using $5.4 \text{fb}^{−1}$ of integrated luminosity collected by the D0 Collaboration at the Tevatron $p\bar p$ Collider. The total ...
• (American Physical Society, 2012)
We report an improved measurement of $\overline{\nu}_μ$ disappearance over a distance of 735 km using the MINOS detectors and the Fermilab Main Injector neutrino beam in a $\overline{\nu}_μ$-enhanced configuration. From a ...
• (Public Library of Science, 2012)
In this paper we present a multiscale, individual-based simulation environment that integrates CompuCell3D for lattice-based modelling on the cellular level and Bionetsolver for intracellular modelling. CompuCell3D or CC3D ...
• (American Physical Society, 1996)
We construct minimum-uncertainty solutions of the three-dimensional Schrödinger equation with a Coulomb potential. These wave packets are localized in radial and angular coordinates and are squeezed states in three dimensions. ...
• (American Physical Society, 1986)
A reply to the comment on evidence for a phenomenological supersymmetr in atomic physics is presented.