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We investigate quantum Hall stripes under in-plane magnetic field $B_\parallel$ in a variable-density two-dimensional electron gas. At filling factor $\nu = 9/2$, we observe one, two, and zero $B_\parallel$-induced reorientations at low,…

Mesoscale and Nanoscale Physics · Physics 2017-04-12 Q. Shi , M. A. Zudov , Q. Qian , J. D. Watson , M. J. Manfra

We apply a formalism inspired by heavy baryon chiral perturbation theory with finite-range regularization to dynamical $2+1-$flavor CSSM/QCDSF/UKQCD Collaboration lattice QCD simulation results for the electric form factors of the octet…

High Energy Physics - Lattice · Physics 2017-01-10 P. E. Shanahan , A. W. Thomas , R. D. Young , J. M. Zanotti , R. Horsley , Y. Nakamura , D. Pleiter , P. E. L. Rakow , G. Schierholz , H. Stüben

The magnetic properties of two-dimensional altermagnets can be obtained from a square lattice Heisenberg model with antiferromagetic nearest neighbor interaction and two types of next-nearest neighbor interactions arranged in a checkerboard…

Strongly Correlated Electrons · Physics 2026-01-28 Niklas Cichutek , Peter Kopietz , Andreas Rückriegel

The deuteron is a spin1 particle and due to current conservation and the P and C invariance of the EM interaction, it has three EM form factors in the one photon exchange (OPE) approximation, which include the charge GC(Q2), quadrupole…

High Energy Physics - Phenomenology · Physics 2023-05-26 Minaya Allahverdiyeva , Narmin Huseynova , Shahin Mamedov , Jannat Samadov

The branching fractions of the semileptonic and rare $B_s$ decays are calculated in the framework of the QCD-motivated relativistic quark model. The form factors of the weak $B_s$ transitions are expressed through the overlap integrals of…

High Energy Physics - Phenomenology · Physics 2014-11-27 R. N. Faustov , V. O. Galkin

Strange quark matter could be found in the core of neutron stars or forming strange quark stars. As is well known, these astrophysical objects are endowed with strong magnetic fields which affect the microscopic properties of matter and…

Astrophysics · Physics 2008-12-18 R. Gonzalez Felipe , A. Perez Martinez , H. Perez Rojas , M. Orsaria

Magnetic properties of octet baryons are investigated within the framework of chiral perturbation theory. Utilizing a power counting for large magnetic fields, the Landau levels of charged mesons are treated exactly giving rise to baryon…

High Energy Physics - Phenomenology · Physics 2018-01-17 Amol Deshmukh , Brian C. Tiburzi

We study effects of the strange quark mass and of the QCD coupling constant in the MIT bag model of quark matter with lowest order quark-gluon interactions on the rapid rotation of strange stars. The influence of rotation on global…

Astrophysics · Physics 2007-05-23 D. Gondek-Rosinska , P. Haensel , J. L. Zdunik , E. Gourgoulhon

The BaBar, Belle, and LHCb collaborations have reported evidence for new physics in $B\to D\tau\nu$ and $B\to D^*\tau\nu$ of approximately $3.8\sigma$. There is also the long lasting discrepancy of about $3\sigma$ in the anomalous magnetic…

High Energy Physics - Phenomenology · Physics 2016-03-02 Andreas Crivellin , Julian Heeck , Peter Stoffer

The algebraic treatment of baryons is extended to strange resonances. Within this framework we study a collective string-like model in which the radial excitations are interpreted as rotations and vibrations of the strings. We derive a mass…

Nuclear Theory · Physics 2009-11-06 R. Bijker , F. Iachello , A. Leviatan

We explore the ground state energies of the neutral and charged vector $K^{*}$ mesons in the external abelian magnetic field of QCD scale using overlap fermions. We attempt to calculate the magnetic moment and the magnetic dipole…

High Energy Physics - Lattice · Physics 2024-06-25 E. V. Luschevskaya , O. V. Teryaev , E. A. Dorenskaya

We discuss three possible ways to address quantum physics behind chiral magnetic effect and electric charge fluctuation patterns in heavy ion collisions. The first one makes use of P-parity violation probed by local order parameters, the…

High Energy Physics - Phenomenology · Physics 2010-12-23 V. Orlovsky , V. Shevchenko

The magnetoresistance of classical two-dimensional electrons scattered by randomly distributed impurities is investigated by numerical simulation. At low magnetic fields, we find for the first time a negative magnetoresistance proportional…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Alexander Dmitriev , Michel Dyakonov , Remi Jullien

One of the least constrained contributions to the neutral current (NC) elastic neutrino-proton cross section is the strange axial form factor, which represents the strange quark spin contribution to the spin structure of the proton. This…

High Energy Physics - Experiment · Physics 2019-01-15 Katherine Woodruff

The muon anomalous magnetic moment is one of the most precisely measured quantities in particle physics. Recent high precision measurements (0.54ppm) at Brookhaven reveal a ``discrepancy'' by 3 standard deviations from the electroweak…

High Energy Physics - Phenomenology · Physics 2010-04-06 F. Jegerlehner

Long-distance effects in exclusive rare semileptonic transitions B -> (K, K*) are analysed within a relativistic quark model. The meson transition form factors, describing the meson amplitudes of the effective weak Hamiltonian, are…

High Energy Physics - Phenomenology · Physics 2009-10-30 D. Melikhov , N. Nikitin , S. Simula

Since the report of the SAMPLE Collaboration suggesting the strange-quark contribution to nucleon magnetic moments, G_M^s(0), may be greater than zero, numerous models have appeared supporting positive values for G_M^s(0). In this paper the…

Nuclear Theory · Physics 2007-05-23 Derek B. Leinweber

We present an analysis of the m_s^2-corrections to Cabibbo-suppressed tau lepton decays employing contour improved resummation within an effective scheme which is an essential new feature as compared to previous analyses. The whole…

High Energy Physics - Phenomenology · Physics 2009-01-07 J. G. Koerner , F. Krajewski , A. A. Pivovarov

The nonperturbative contribution, suppressed by powers of the charm quark mass m_c, in the inclusive decay B -> X_s photon is analyzed in the context of heavy quark effective field theory (HQEFT). According to previous analyses, the leading…

High Energy Physics - Phenomenology · Physics 2009-10-31 Junegone Chay

We study the emission of gravitational waves from spheroidal magnetized strange stars for both an isolated slowly rotating star and a binary system. In the first case, we compute the quadrupole moment and the amplitude of gravitational…

General Relativity and Quantum Cosmology · Physics 2024-02-01 S. López Pérez , D. Manreza Paret , A. Pérez Martínez