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Recently universal dynamic scaling is observed in several systems, which exhibit a spatiotemporal self-similar scaling behavior, analogous to the spatial scaling near phase transitions. The latter arises from the emergent continuous scaling…

Quantum Gases · Physics 2023-08-28 Jia-nan Cui , Zhengqiang Zhou , Mingyuan Sun

A cosmological model of an holographic dark energy interacting with dark matter throughout a decaying term of the form $Q=3(\lambda_1\rho_{DE} + \lambda_2\rho_m) H$ is investigated. General constraint on the parameters of the model are…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Norman Cruz , Samuel Lepe , Francisco Pena , Joel Saavedra

The nuclear symmetry energy, which describes the energy difference of per proton and neutron in nuclear matter, has been extensively studied within the last two decades. Around saturation density, both the value and the slope of the nuclear…

Nuclear Theory · Physics 2020-07-21 Gao-Chan Yong , Ya-Fei Guo

A holographic model for QCD is employed to investigate the effects of the gluon condensate on the spectrum and melting of scalar mesons. We find the evolution of the free energy density with the temperature, and the result shows that the…

High Energy Physics - Theory · Physics 2019-10-01 Luis A. H. Mamani , Alex S. Miranda , Vilson T. Zanchin

Scaling features of the nuclear electromagnetic response functions unveil aspects of nuclear dynamics that are crucial for interpretating neutrino- and electron-scattering data. In the large momentum-transfer regime, the nucleon-density…

Nuclear Theory · Physics 2018-04-04 J. E. Sobczyk , N. Rocco , A. Lovato , J. Nieves

The density and excitation energy dependence of symmetry energy and symmetry free energy for finite nuclei are calculated microscopically in a microcanonical framework taking into account thermal and expansion effects. A finite-range…

Nuclear Theory · Physics 2008-11-26 S. K. Samaddar , J. N. De , X. Vinas , M. Centelles

Empirically determined values of the nuclear volume and surface symmetry energy coefficients from nuclear masses are expressed in terms of density distributions of nucleons in heavy nuclei in the local density approximation. This is then…

Nuclear Theory · Physics 2015-06-16 B. K. Agrawal , J. N. De , S. K. Samaddar , G. Colo , A. Sulaksono

The reaction mechanism of the central collisions and peripheral collisions for $^{112,124}Sn+^{112,124}Sn$ at $E/A=50MeV$ is investigated within the framework of the Improved Quantum Molecular Dynamics model. The results show that…

Nuclear Theory · Physics 2014-11-20 Yingxun Zhang , M. B. Tsang , Zhuxia Li , P. Danielewicz , W. G. Lynch , Xiaohua Lu

In this work, we study the effects of nuclear symmetry energy slope on neutron star dense matter equation of state and its impact on neutron star observables (mass-radius, tidal response). We construct the equation of state within the…

High Energy Astrophysical Phenomena · Physics 2022-01-06 Vivek Baruah Thapa , Monika Sinha

Using different parameterizations of the nuclear mass formula, we study the sensitivity of the isoscaling parameters to the mass formula employed in grand-canonical calculations. Previous works on isoscaling have suggested that the symmetry…

Nuclear Theory · Physics 2008-11-26 S. R. Souza , M. B. Tsang , R. Donangelo , W. G. Lynch , A. W. Steiner

We extend the holographic Ricci dark energy model to include some direct, non-gravitational interaction between dark energy and dark matter. We consider three phenomenological forms for the interaction term $Q$ in the model, namely, $Q$ is…

Cosmology and Nongalactic Astrophysics · Physics 2012-04-10 Tian-Fu Fu , Jing-Fei Zhang , Jin-Qian Chen , Xin Zhang

Holographic modeling of strongly correlated many-body systems motivates the study of novel spacetime geometries where the scaling behavior of quantum critical systems is encoded into spacetime symmetries. Einstein-Dilaton-Maxwell theory has…

General Relativity and Quantum Cosmology · Physics 2013-07-11 V. Keranen , L. Thorlacius

The behavior of holographic CFTs is constrained by the existence of a bulk dual geometry. For example, in (2+1)-dimensional holographic CFTs living on a static spacetime with compact spatial slices, the vacuum energy must be nonpositive,…

High Energy Physics - Theory · Physics 2019-02-01 Sebastian Fischetti , Toby Wiseman

I propose a scaling analysis of the hadron multiplicity ratio measured in Deep Inelastic Scattering on nuclear targets as a tool to distinguish energy loss and nuclear absorption effects on hadron suppression in cold nuclear matter. The…

Nuclear Theory · Physics 2008-11-26 Alberto Accardi

We present a holographic calculation of energy correlators in a simple model of confinement based on a warped extra dimension with an IR brane. For small distances we reproduce the constant correlators of a strongly-coupled conformal field…

High Energy Physics - Phenomenology · Physics 2024-11-27 Csaba Csáki , Ameen Ismail

We report an investigation of the Snyder noncommutative spacetime and of some of its most natural generalizations, also looking at them as a powerful tool for comparing different notions of dimensionality of a quantum spacetime. It is known…

High Energy Physics - Theory · Physics 2018-07-25 Giovanni Amelino-Camelia , Flaminia Giacomini , Giulia Gubitosi

We describe a relation between the symmetry energy coefficients c_sym(rho) of nuclear matter and a_sym(A) of finite nuclei that accommodates other correlations of nuclear properties with the low-density behavior of c_sym(rho). Here we take…

Nuclear Theory · Physics 2009-03-26 M. Centelles , X. Roca-Maza , X. Vinas , M. Warda

The nuclear equation-of-state is a topic of highest current interest in nuclear structure and reactions as well as in astrophysics. In particular, the equation-of-state of asymmetric matter and the symmetry energy representing the…

Nuclear Experiment · Physics 2016-10-13 Wolfgang Trautmann , Mircea Dan Cozma , Paolo Russotto

Symmetry energy coefficients of asymmetric nuclear matter are investigated as the inverse of nuclear matter polarizabilities with two different approaches. Firstly a general calculation shows they may depend on the neutron-proton asymmetry…

Nuclear Theory · Physics 2015-06-26 Fábio L. Braghin

Scalar cosmological perturbations are investigated in the framework of a model with interacting dark energy and dark matter. In addition to these constituents, the inhomogeneous Universe is supposed to be filled with the standard…

General Relativity and Quantum Cosmology · Physics 2015-07-24 Maxim Eingorn , Claus Kiefer