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We have calculated the $O(\alpha_{ew} M_t^2/M_W^2)$ supersymmetric electroweak corrections to single top quark production via $q\bar q' \to t\bar b$ at the Fermilab Tevatron in the minimal supersymmetric model. The supersymmetric…

High Energy Physics - Phenomenology · Physics 2009-10-30 Chong Sheng Li , Robert J. Oakes , Jin Min Yang

The presence of a primordial magnetic field in the early universe affects the dynamic of the electroweak phase transition enhancing its strength. This effect may enlarge the window for electroweak baryogenesis in the minimal supersymmetric…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. Comelli , D. Grasso , M. Pietroni , A. Riotto

CKM matrix is unitary by construction in the standard model(SM). The recent analyses on the first row of CKM matrix show $ \approx 3\sigma$ tension with unitarity. Nonperturbative calculations of the radiative corrections can reduce the…

High Energy Physics - Lattice · Physics 2022-12-27 Jun-Sik Yoo , Tanmoy Bhattacharya , Rajan Gupta , Santanu Mondal , Boram Yoon

We revisit the electroweak phase transition and the critical bubble in the scale invariant two Higgs doublet model in the light of recent LHC data. Moreover, the sphaleron decoupling condition is newly evaluated in this model. The analysis…

High Energy Physics - Phenomenology · Physics 2015-04-17 Kaori Fuyuto , Eibun Senaha

Low-temperature specific-heat measurements on YbRh2Si2 at the second order antiferromagnetic (AF) phase transition reveal a sharp peak at TN=72 mK. The corresponding critical exponent alpha turns out to be alpha=0.38, which differs…

Strongly Correlated Electrons · Physics 2009-05-13 V. R. Shaginyan , M. Ya. Amusia , K. G. Popov

We perform a detailed semi-analytical analysis of the electroweak phase transition (EWPT) property in NMSSM, which serves as a good benchmark model in which the 126 GeV Higgs mixes with a singlet. In this case, a strongly first order…

High Energy Physics - Phenomenology · Physics 2015-01-14 Weicong Huang , Zhaofeng Kang , Jing Shu , Peiwen Wu , Jin Min Yang

We study, via computer simulations, the fluctuations in the net electric charge, in a two dimensional one component plasma (OCP) with uniform background charge density $-e \rho$, in a region $\Lambda$ inside a much larger overall neutral…

Condensed Matter · Physics 2007-05-23 D. Levesque , J. -J. Weis , J. L. Lebowitz

Z. Xu, et al. [Phys. Rev. A 103, 023114 (2021)], have reported a measurement for the enhancement factor $\kappa$, which characterizes the overlap of the electron wavefunction with the noble-gas nucleus in Cs-$^{129}$Xe spin-exchange optical…

Atomic Physics · Physics 2022-04-11 B. Saam

The evidence for electroweak radiative corrections not contained in $\alpha(m_Z)$ is examined. At low energies there is very strong evidence in the analysis of the unitarity of the CKM matrix. At LEP and collider experiments the current…

High Energy Physics - Phenomenology · Physics 2010-11-01 Alberto Sirlin

We perform a comprehensive analysis of baryon number violation during an electroweak phase transition (EWPT) within the framework of a scalar electroweak multiplet extension of the Standard Model. We classify the multiplet representations,…

High Energy Physics - Phenomenology · Physics 2025-09-18 Yanda Wu , Wenxing Zhang , Michael J. Ramsey-Musolf

We study the effects of quantum fluctuations on a non-coplanar tetrahedral spin structure, which has a scalar chiral order, in the spin-1/2 multiple-spin exchange model with up to the six-spin exchange interactions on a triangular lattice.…

Strongly Correlated Electrons · Physics 2019-01-25 Shogo Taira , Chitoshi Yasuda , Tsutomu Momoi , Kenn Kubo

We discuss topological aspects of the electroweak sphaleron and its odd-parity deformations. We demonstrate that they are uniquely classified in terms of their odd and even-parity pure gauge field behaviour at spatial infinity. Fermion…

High Energy Physics - Phenomenology · Physics 2009-10-22 Minos Axenides , Andrei Johansen

We compute power-suppressed corrections to the \eta\gamma and \eta^{\prime}\gamma transition form factors Q^2F_{\eta(\eta^{\prime})\gamma}(Q^2) arising from the end point regions x \to 0,1 by employing the infrared-renormalon approach. The…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. S. Agaev , N. G. Stefanis

Theories of the origin of superconductivity in cuprates are dependent on an understanding of their normal state which exhibits various competing orders. Transport and thermodynamic measurements on La$_{2-x}$Sr$_x$CuO$_4$ show signatures of…

Superconductivity · Physics 2023-08-23 M. Zhu , D. J. Voneshen , S. Raymond , O. J. Lipscombe , C. C. Tam , S. M. Hayden

Since its discovery a decade ago, "polar metallic phase" has ignited significant research interest, as it further functionalizes the switchable electric polarization of materials with additional transport capability, granting them great…

Materials Science · Physics 2023-09-26 Fangyuan Gu , Jie Wang , Zi-Jian Lang , Wei Ku

This paper is devoted to the diffusion approximation for the 1-d Fokker Planck equation with a heavy tail equilibria of the form (1+v^2)^{-\beta/2}, in the range beta\in ]1,5[. We prove that the limit diffusion equation involves a…

Analysis of PDEs · Mathematics 2017-11-09 Gilles Lebeau , Marjolaine Puel

A novel approach to study electroweak physics at one-loop level in generic ${\rm SU(2)_L \times U(1)_Y}$ theories is introduced. It separates the 1-loop corrections into two pieces: process specific ones from vertex and box contributions,…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Hagiwara , D. Haidt , C. S. Kim , S. Matsumoto

Layered van der Waals (vdW) magnets are prominent playgrounds for developing magnetoelectric, magneto-optic and spintronic devices. In spintronics, particularly in spincaloritronic applications, low thermal conductivity ($\kappa$) is highly…

We have carried out detailed $k$-mode analysis of single-inflaton slow-roll inflationary perturbations including quantum fluctuations by setting up non-linear coupled differential equations of inflaton field ($\phi$), its perturbation…

General Relativity and Quantum Cosmology · Physics 2020-12-25 Arunoday Sarkar , Chitrak Sarkar , Buddhadeb Ghosh

Polarized and unpolarized neutron scattering was used to measure the wave vector- and frequency-dependent magnetic fluctuations in the normal state (from the superconducting transition temperature, T_c=35, up to 350 K) of single crystals of…

Strongly Correlated Electrons · Physics 2007-05-23 G. Aeppli , T. E. Mason , S. M. Hayden , H. A. Mook , J. Kulda
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