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In Landau theory of Fermi liquids, the particle-hole interaction near the Fermi energy in different spin-isospin channels is probed in terms of an expansion over the Legendre polynomials. This provides a useful and efficient way to…

Nuclear Theory · Physics 2017-10-27 Andrea Idini , Karim Bennaceur , Jacek Dobaczewski

We present a method to obtain response functions in the random phase approximation (RPA) based on a residual interaction described in terms of Landau parameters with central plus tensor contributions. The response functions keep the…

Nuclear Theory · Physics 2015-06-18 A. Pastore , D. Davesne , J. Navarro

We study the impact of three-body forces on the response functions of cold neutron matter. These response functions are determined in the random phase approximation (RPA) from a residual interaction expressed in terms of Landau parameters.…

Nuclear Theory · Physics 2015-06-23 D. Davesne , J. W. Holt , A. Pastore , J. Navarro

We developed new parameterizations of local regularized finite-range pseudopotentials up to next-to-next-to-next-to-leading order (N3LO), used as generators of nuclear density functionals. When supplemented with zero-range spin-orbit and…

Nuclear Theory · Physics 2020-12-15 K. Bennaceur , J. Dobaczewski , T. Haverinen , M. Kortelainen

In certain kinematic and particle mass configurations, triangle singularities may lead to line-shapes which mimic the effects of resonances. This well-known effect is scrutinized here in the presence of final-state rescattering. The goal is…

High Energy Physics - Phenomenology · Physics 2026-04-21 Ajay S. Sakthivasan , Maxim Mai , Akaki Rusetsky , Michael Döring

The Typical Medium Theory provides conceptually the simplest order parameter description of Anderson localization by self-consistently calculating the geometrically-averaged (typical) local density of states (LDOS). Here we show how spatial…

Disordered Systems and Neural Networks · Physics 2016-08-08 Samiyeh Mahmoudian , Vladimir Dobrosavljević

The pseudo-SU(3) model is extended to explicitly include the spin and proton-neutron degrees of freedom. A general formalism for evaluating matrix elements of one-body and two-body tensor operators within this framework is presented. The…

Nuclear Theory · Physics 2009-10-28 D. Troltenier , C. Bahri , J. P. Draayer

In the context of the dynamical mean-field theory of the Hubbard model, we identify microscopically an order parameter for the finite temperature Mott endpoint. We derive a Landau functional of the order parameter. We then use the order…

Strongly Correlated Electrons · Physics 2009-10-31 G. Kotliar , E. Lange , M. J. Rozenberg

We prove Landau damping for the collisionless Vlasov equation with a class of $L^1$ interaction potentials (including the physical case of screened Coulomb interactions) on $\mathbb R^3_x \times \mathbb R^3_v$ for localized disturbances of…

Analysis of PDEs · Mathematics 2016-04-21 Jacob Bedrossian , Nader Masmoudi , Clement Mouhot

In this work, we conduct a study on the properties of single-{\Lambda} hypernuclei in the relativistic mean-field theory with the parameter set FSU, where the isoscalar-isovector coupling has been included to soften the symmetry energy. In…

Nuclear Theory · Physics 2012-07-24 Renli Xu , Chen Wu , Zhongzhou Ren

We present a transparent and computationally efficient approach for the first-principles calculation of Hubbard parameters from linear-response theory. This approach is based on density-functional perturbation theory and the use of…

Strongly Correlated Electrons · Physics 2018-08-17 Iurii Timrov , Nicola Marzari , Matteo Cococcioni

We present results from the first next-to-leading order (NLO) numerical analysis of forward hadron production in pA collisions in the small-x saturation formalism. Using parton distributions and fragmentation functions at NLO, as well as…

High Energy Physics - Phenomenology · Physics 2014-01-15 Anna M. Stasto , Bo-Wen Xiao , David Zaslavsky

The saturation properties of neutron-rich matter are investigated in a relativistic mean-field formalism using two accurately calibrated models: NL3 and FSUGold. The saturation properties - density, binding energy per nucleon, and…

Nuclear Theory · Physics 2009-05-13 J. Piekarewicz , M. Centelles

We present a novel analysis of the dynamics of tensor power iterations in the overcomplete regime where the tensor CP rank is larger than the input dimension. Finding the CP decomposition of an overcomplete tensor is NP-hard in general. We…

Machine Learning · Computer Science 2015-09-16 Anima Anandkumar , Rong Ge , Majid Janzamin

Bound states of the power-law and logarithmic potentials are calculated using a generalized pseudospectral method. The solution of the single-particle Schr\"odinger equation in a nonuniform and optimal spatial discretization offers accurate…

Quantum Physics · Physics 2015-06-16 Amlan K. Roy

The problem of a calculation of parameters of the Standard Model is considered in the framework of the compensation approach. Conditions for a spontaneous generation of effective interactions of fundamental fields are shown to lead to sets…

High Energy Physics - Phenomenology · Physics 2014-09-23 Boris A. Arbuzov , Ivan V. Zaitsev

The Landau Fermi Liquid parameters are calculated for charge neutral asymmetric nuclear matter in beta equilibrium at zero temperature in the presence of a very strong magnetic field with relativistic mean-field models. Due to the isospin…

Nuclear Theory · Physics 2015-05-27 M. A. Perez-Garcia , C. Providencia , A. Rabhi

Through a direct implementation of the saturation regime resulting from the unitarity limit in the impact parameter representation, we explore various possibilities for the energy dependence of hadronic scattering. We show that it is…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. V. Selyugin , J. R. Cudell

The power spectrum is traditionally parameterized by a truncated Taylor series: $ln P(k) = ln P_* + (n_*-1) ln(k/k_*) + {1/2} n'_* ln^2(k/k_*)$. It is reasonable to truncate the Taylor series if $|n'_* ln(k/k_*)| << |n_*-1|$, but it is not…

Astrophysics · Physics 2014-10-13 Kevork Abazajian , Kenji Kadota , Ewan D. Stewart

In a recent paper, 8 semileptonic parameters were defined to specify the most general Lorentz-invariant spin correlation functions for 2-body tau decays. These parameters can be used to search for anomalous longitudinal-versus transverse…

High Energy Physics - Phenomenology · Physics 2009-10-30 Charles A. Nelson
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