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This paper studies slow, fast and opportunistic fluid antenna multiple access (FAMA) under the effect of Nakagami-m fading channels, considering the new and realistic spatial blockcorrelation model. Expressions for the outage probability…

Statistics Theory · Mathematics 2025-10-09 Paulo R. de Moura , Hugerles S. Silva , Ugo S. Dias , Higo T. P. Silva

Generalized single-atom Maxwell-Bloch equations for optically dense media are derived taking into account non-cooperative radiative atom-atom interactions. Applying a Gaussian approximation and formally eliminating the degrees of freedom of…

Quantum Physics · Physics 2009-10-31 Michael Fleischhauer , Susanne F. Yelin

Dual resonance is one of the great miracles of string theory. At a fundamental level, it implies that the particles exchanged in different channels are subtly equivalent. Furthermore, it is inextricably linked to the property of…

High Energy Physics - Theory · Physics 2023-10-16 Clifford Cheung , Grant N. Remmen

We present calculations of frequency-dependent complex dielectric function of dense aluminum plasma by quantum molecular dynamics method for temperatures up to 20 kK. Analysis shows that the dependencies for real and imaginary parts can be…

Materials Science · Physics 2015-06-17 M. E. Povarnitsyn , D. V. Knyazev , P. R. Levashov

We analyze the dynamics of a set of two-level atoms coupled to the electromagnetic environment within a waveguide. This problem is often tackled by assuming a weak coupling between the atoms and the environment as well as the associated…

Quantum Physics · Physics 2019-01-30 Carlo Cascio , Jad C. Halimeh , Ian P. McCulloch , Alessio Recati , Ines de Vega

The $\Delta$ decay in the nuclear medium is calculated in the relativistic meson-nucleon model. The delta spreading width is calculated and compared with the Pauli-blocked $\pi$N decay width. The influence of relativistic mean fields is…

Nuclear Theory · Physics 2008-11-26 Hungchong Kim , S. Schramm , Su Houng Lee

Unique measurement of the proton structure function F2 in a wide two-dimensional region of x and Q**2 has been reported. The accessible kinematics covers entire resonance region up to W=2.5 GeV in the Q**2 interval from 0.1 to 4.5 GeV**2.…

High Energy Physics - Experiment · Physics 2017-08-23 M. Osipenko , G. Ricco , M. Taiuti , M. Anghinolfi , M. Battaglieri , R. De Vita , M. Ripani , the CLAS Collaboration

Based on the quantum hydrodynamic model, a new relationship between the electrostatic-potential and the electron-density in the ultra-dense plasma is derived. Propagation of arbitrary amplitude nonlinear ion waves is, then, investigated in…

Earth and Planetary Astrophysics · Physics 2010-12-21 M. Akbari-Moghanjoughi

In order to overcome the shortcoming of nonconservation of nuclear momentum existing in the original $Q^2$-rescaling model(O$Q^2$RM) and avoid introducing nuclear shadowing factor, we proposed a double $Q^2$-rescaling model(D$Q^2$RM) for…

High Energy Physics - Phenomenology · Physics 2011-09-13 Zhenmin He , Xiaoxia Yao , Chungui Duan , Guanglie Li , Hongan Peng

By using Renormalization Group methods we analyze the description of the Quantum Hall Fluid in terms of a dual plasma with dyons as effective degrees of freedom. The physical interpretation of the parameters of the model as the longitudinal…

Condensed Matter · Physics 2007-05-23 G. Cristofano , G. Maiella , D. Giuliano , F. Nicodemi

A model for nuclear medium modification of parton densities is presented. The approach is based on the global analysis of available deep inelastic scattering data for different nuclear targets within the rescaling model combined with taking…

High Energy Physics - Phenomenology · Physics 2025-10-13 A. V. Kotikov , A. V. Lipatov

Gauge/Gravity dualities open the non-perturbative realms of strongly-coupled gauge theories to analytic treatment. Anti-de Sitter Space/Conformal Field The- ory, one way of connecting gravity dual models to gauge theories, is a correspon-…

High Energy Physics - Phenomenology · Physics 2011-08-03 Thomas M. Kelley

We discuss the compatibility of the combined annual modulation effect measured by DAMA/LIBRA-phase1 and DAMA/LIBRA-phase2 with an explanation in terms of inelastic scattering events induced by the most general Galilean-invariant effective…

High Energy Physics - Phenomenology · Physics 2019-06-05 Sunghyun Kang , Stefano Scopel , Gaurav Tomar

We consider quantum p-form fields interacting with a background dilaton. We calculate the variation with respect to the dilaton of a difference of the effective actions in the models related by a duality transformation. We show that this…

High Energy Physics - Theory · Physics 2010-04-05 P. Gilkey , K. Kirsten , D. Vassilevich , A. Zelnikov

We demonstrate a universal scaling form of longitudinal resistance in the quantum critical region of metal-insulator transitions, based on numerical results of three-dimensional Anderson transitions (with and without magnetic field),…

Disordered Systems and Neural Networks · Physics 2009-10-31 D. N. Sheng , Z. Y. Weng

As a physically motivated and computationally simple model for cold atomic and molecular collisions, the multichannel quantum defect theory (MQDT) with frame transformation (FT) formalism provides an analytical treatment of scattering…

The effect of damping of spinwaves in a two-dimensional classical ferromagnetic XY model is considered. The damping rate $\Gamma_{q}$ is calculated using the leading diagrams due to the quartic-order deviations from the harmonic spin…

Materials Science · Physics 2013-05-08 G. M. Wysin , M. E. Gouvea , A. S. T. Pires

We present a fully nonlinear theory for dust acoustic (DA) shocks and DA solitary pulses in a strongly coupled dusty plasma, which have been recently observed experimentally by Heinrich et al. [Phys. Rev. Lett. 103, 115002 (2009)], Teng et…

Plasma Physics · Physics 2015-06-05 P. K. Shukla , B. Eliasson

In a spacetime of dimension n, the dual graviton is characterised by a Young diagram with two columns, the first of length n-3 and the second of length one. In this paper we perform the off-shell dualisation relating the dual graviton to…

High Energy Physics - Theory · Physics 2015-06-05 Nicolas Boulanger , Paul P. Cook , Dmitry Ponomarev

A cavity QED system is analyzed which duplicates the dynamics of a two-level atom in free space interacting exclusively with broadband squeezed light. We consider atoms in a three or four-level Lambda-configuration coupled to a high-finesse…

Quantum Physics · Physics 2009-11-07 Stephen Clark , Scott Parkins