The charged Bose condensate within the RPA : Effective potential and bound states between charged particles

2000 ◽  
Vol 10 (PR5) ◽  
pp. Pr5-359-Pr5-362
Author(s):  
A. Ghazali ◽  
A. Gold
Keyword(s):  
Effective Potential ◽  
Bound States ◽  
Bose Condensate ◽  
Charged Particles

scholarly journals On the abundance of primordial bound states of superheavy magnetic monopoles

2014 ◽  
Vol 29 (18) ◽  
pp. 1450100
Author(s):  
Dmitry R. Gulevich
Keyword(s):  
Cosmic Rays ◽  
Bound States ◽  
Charged Particles ◽  
Magnetic Monopoles ◽  
Final Concentration ◽  
Ultrahigh Energy ◽  
Cosmic Inflation ◽  
Electron Positron ◽  
Ultrahigh Energy Cosmic Rays

It has been suggested that superheavy charged particles might have been born in primordial bound pairs at the end of cosmic inflation. Such pairs have been proposed as a source of ultrahigh energy cosmic rays (UHECR). We show that primordial bound pairs of magnetic monopoles larger than 10-9 cm quickly thermalise due to the interaction with primordial electron–positron plasma and any such initial primordial concentration is washed out. The final concentration will therefore be defined by their equilibrium abundance.

scholarly journals Quantum quenches to the attractive one-dimensional Bose gas: exact results

2016 ◽  
Vol 1 (1) ◽  
Author(s):  
Lorenzo Piroli ◽  
Pasquale Calabrese ◽  
Fabian Essler
Keyword(s):  
Bound States ◽  
Pair Correlation ◽  
Bose Condensate ◽  
Bose Gas ◽  
Exact Results ◽  
Initial State ◽  
One Dimensional ◽  
Quantum Quenches ◽  
Local Pair ◽  
The One

We study quantum quenches to the one-dimensional Bose gas with attractive interactions in the case when the initial state is an ideal one-dimensional Bose condensate. We focus on properties of the stationary state reached at late times after the quench. This displays a finite density of multi-particle bound states, whose rapidity distribution is determined exactly by means of the quench action method. We discuss the relevance of the multi-particle bound states for the physical properties of the system, computing in particular the stationary value of the local pair correlation function g_2g2.

scholarly journals Strongly Localized Image States of Spherical Graphitic Particles

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Godfrey Gumbs ◽  
Antonios Balassis ◽  
Andrii Iurov ◽  
Paula Fekete
Keyword(s):  
Power Law ◽  
Effective Potential ◽  
Charged Particles ◽  
Angular Motion ◽  
Centripetal Force ◽  
Spherical Image ◽  
Spherical Shells ◽  
Surface Potentials ◽  
Image States

We investigate the localization of charged particles by the image potential of spherical shells, such as fullerene buckyballs. These spherical image states exist within surface potentials formed by the competition between the attractive image potential and the repulsive centripetal force arising from the angular motion. The image potential has a power law rather than a logarithmic behavior. This leads to fundamental differences in the nature of the effective potential for the two geometries. Our calculations have shown that the captured charge is more strongly localized closest to the surface for fullerenes than for cylindrical nanotube.

scholarly journals CONFORMAL FACTOR DYNAMICS IN THE 1/N EXPANSION

1995 ◽  
Vol 10 (09) ◽  
pp. 733-739 ◽  
Author(s):  
E. ELIZALDE ◽  
S. D. ODINTSOV
Keyword(s):  
Renormalization Group ◽  
Quantum Gravity ◽  
Cosmological Constant ◽  
Effective Potential ◽  
Bound States ◽  
Conformal Factor ◽  
Effective Theory ◽  
Cosmological Constant Problem ◽  
New Model

We suggest to consider conformal factor dynamics as applying to composite bound states, in the framework of the 1/N expansion. In this way, a new model of effective theory for quantum gravity is obtained. The renormalization group (RG) analysis of this model provides a framework to solve the cosmological constant problem, since the value of this constant turns out to be suppressed, as a result of the RG contributions. The effective potential for the conformal factor is also found.

Theory of bound states of charged particles in resonance media

1981 ◽  
Vol 49 (2) ◽  
pp. 1035-1038 ◽  
Author(s):  
�. A. Manykin ◽  
M. I. Ozhovan ◽  
P. P. Polu�ktov
Keyword(s):  
Bound States ◽  
Charged Particles

Bound states and the effective potential in field theories

1975 ◽  
Vol 12 (4) ◽  
pp. 1178-1191 ◽  
Author(s):  
Richard W. Haymaker
Keyword(s):  
Effective Potential ◽  
Bound States ◽  
Field Theories

MOTION OF CHARGED PARTICLES AROUND A FIVE-DIMENSIONAL ROTATING MAGNETIZED BLACK HOLE

2007 ◽  
Vol 16 (08) ◽  
pp. 1369-1379
Author(s):  
R. KAYA
Keyword(s):  
Magnetic Field ◽  
Black Hole ◽  
External Magnetic Field ◽  
Effective Potential ◽  
Equatorial Plane ◽  
Charged Particles ◽  
Circular Motion ◽  
Test Particles ◽  
Jacobi Formalism ◽  
The Stability

We study the effect of an external magnetic field on the stability of circular motion of charged particles in the equatorial plane of a five-dimensional rotating black hole. Using the Hamilton–Jacobi formalism, we derive the effective potential for the radial motion of test particles around a five-dimensional magnetized Myers–Perry black hole. We show that there exist stable circular orbits in equatorial planes in the background of this metric.

scholarly journals Neutral baryonic systems with strangeness

2020 ◽  
Vol 29 (01) ◽  
pp. 1930009
Author(s):  
H. Garcilazo ◽  
A. Valcarce ◽  
J. Vijande
Keyword(s):  
Bound States ◽  
Current Knowledge ◽  
Charged Particles ◽  
Quasibound State ◽  
Stable States ◽  
Broad Agreement ◽  
The Status

We review the status as regards to the existence of three- and four-body bound states made of neutrons and [Formula: see text] hyperons. For interesting cases, the coupling to neutral baryonic systems made of charged particles of different strangeness has been addressed. There are strong arguments showing that the [Formula: see text] system has no bound states. [Formula: see text] strong stable states are not favored by our current knowledge of the strangeness [Formula: see text] and [Formula: see text] baryon–baryon interactions. However, a possible [Formula: see text] quasibound state decaying to [Formula: see text] might exist in nature. Similarly, there is a broad agreement about the nonexistence of [Formula: see text] bound states. However, the coupling to [Formula: see text] states opens the door to a resonance above the [Formula: see text] threshold.

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