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Related papers: Two- and three-alpha systems with nonlocal potenti…

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The fishbone potential of composite particles simulates the Pauli effect by nonlocal terms. We determine the $\alpha-\alpha$ fishbone potential by simultaneously fitting to two-$\alpha$ resonance energies, experimental phase shifts and…

Nuclear Theory · Physics 2013-05-29 J. P. Day , J. E. McEwen , M. Elhanafy , E. Smith , R. Woodhouse , Z. Papp

The fishbone potential of composite particles simulates the Pauli effect by nonlocal terms. We determine the $n-\alpha$ and $p-\alpha$ fish-bone potential by simultaneously fitting to the experimental phase shifts. We found that with a…

Nuclear Theory · Physics 2013-05-30 E. Smith , R. Woodhouse , Z. Papp

A new effective field theory has been developed to describe shallow $P$-wave resonances using nonlocal, momentum-dependent two-body potentials. This approach is expected to facilitate many-body calculations and has been demonstrated to…

Nuclear Theory · Physics 2023-09-04 Qingfeng Li , Songlin Lyu , Chen Ji , Bingwei Long

Pauli-Blocking effect on the kinetic term is investigated by employing the quark cluster model. The effect can be understood by the change of the degrees of the mixing between the incoming wave and the 0$\ell$ state of the inter-cluster…

High Energy Physics - Phenomenology · Physics 2009-11-07 Sachiko Takeuchi , Kiyotaka Shimizu

As nuclear wave functions have to obey the Pauli principle, potentials issued from reaction theory or Hartree-Fock formalism using finite-range interactions contain a non-local part. Written in coordinate space representation, the…

Nuclear Theory · Physics 2010-01-06 N. Michel

We compare the properties of three-body systems obtained with two-body potentials with Pauli forbidden states and with the corresponding phase equivalent two-body potentials. In the first case the forbidden states are explicitly excluded in…

Nuclear Theory · Physics 2009-10-31 E. Garrido , D. V. Fedorov , A. S. Jensen

In recent years researchers have attempted to improve the continuum state three-body wavefunction for three, mutually interacting Coulomb particles by including, so called, local momentum effects, which depend upon the logarithmic gradient…

Atomic Physics · Physics 2009-09-25 M. J. Schillaci

A three-body potential function can account for interactions among triples of particles which are uncaptured by pairwise interaction functions such as Coulombic or Lennard-Jones potentials. Likewise, a multibody potential of order $n$ can…

Computational Physics · Physics 2015-05-28 Dongryeol Lee , Arkadas Ozakin , Alexander G. Gray

We consider the three-body Casimir-Polder interaction between three atoms during their dynamical self-dressing. We show that the time-dependent three-body Casimir-Polder interaction energy displays nonlocal features related to quantum…

Quantum Physics · Physics 2007-05-23 L. Rizzuto , R. Passante , F. Persico

The calculations of three-body direct nuclear reactions with nonlocal optical potentials are performed for the first time using the framework of Faddeev-type scattering equations. Important nonlocality effect is found for transfer reactions…

Nuclear Theory · Physics 2009-03-04 A. Deltuva

We present analytical results for the nonlocal pair correlations in one-dimensional bosonic systems with repulsive contact interactions that are uniformly valid from the classical regime of high temperatures down to weak quantum degeneracy…

Quantum Gases · Physics 2018-08-01 Benjamin Geiger , Quirin Hummel , Juan Diego Urbina , Klaus Richter

We consider weakly interacting bosonic gases with local and non-local multi-body interactions. By using the Bogoliubov approximation, we first investigate contact interactions, studying the case in which the interparticle potential can be…

Quantum Gases · Physics 2017-10-10 D. Laghi , T. Macrì , A. Trombettoni

It is shown, that fitting parameters of a $\bar{K}N$ interaction model to different sets of experimental data can lead to physical conclusions which might provide a deeper insight into the physics of this multichannel system. The available…

Nuclear Theory · Physics 2020-09-15 János Révai

We recently proposed a nonlocal form for the 3-body induced interaction that is consistent with the Fock space representation of interaction operators but leads to a fractional power dependence on the density. Here we examine the…

Nuclear Theory · Physics 2012-03-19 Alexandros Gezerlis , G. F. Bertsch

In this paper we study two different ways of coupling a local operator with a nonlocal one in such a way that the resulting equation is related to an energy functional. In the first strategy the coupling is given via source terms in the…

Analysis of PDEs · Mathematics 2021-07-13 Gabriel Acosta , Francisco M. Bersetche , Julio D. Rossi

If a physical system contains a single particle, and if two distant detectors test the presence of linear superpositions of one-particle and vacuum states, a violation of classical locality can occur. It is due to the creation of a…

Quantum Physics · Physics 2009-10-28 Asher Peres

A many-body wave function is approximated by a product of two functions: the wave function $\phi$ depending on the particle coordinates and the function $\chi$ depending only on the value of interparticle interaction potential. For the…

Quantum Physics · Physics 2008-09-10 V. M. Tapilin

In certain topological effects the accumulation of a quantum phase shift is accompanied by a local observable effect. We show that such effects manifest a complementarity between non-local and local attributes of the topology, which is…

Quantum Physics · Physics 2009-10-31 Yakir Aharonov , Benni Reznik

The application of the hyperspherical harmonic approach to the case of non-local two-body potentials is described. Given the properties of the hyperspherical harmonic functions, there are no difficulties in considering the approach in both…

Nuclear Theory · Physics 2011-08-17 M. Viviani , L. E. Marcucci , S. Rosati , A. Kievsky , L. Girlanda

This work addresses controllability properties for some systems of partial differential equations in which the main feature is the coupling through nonlocal integral terms. In the first part, we study a nonlinear parabolic-elliptic system…

Analysis of PDEs · Mathematics 2023-12-07 Kuntal Bhandari , Víctor Hernández-Santamaría
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