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Absence of bound states implies non-negativity of the scattering length
Absence of bound states non-negativity of the scattering length Mathematical Physics
2012/4/18
We show that bosons interacting via pair potentials with negative scattering length form bound states for a suitable number of particles. In other words, the absence of many-particle bound states of a...
Scaling and universality in two dimensions: three-body bound states with short-ranged interactions
two dimensions three-body bound states short-ranged interactions Quantum Gases
2011/10/8
Abstract: The momentum space zero-range model is used to investigate universal properties of three interacting particles confined to two dimensions. The pertinent equations are first formulated for a ...
Bound states of PT-symmetric separable potentials
PT-symmetric separable potentials High Energy Physics - Theory
2011/9/30
Abstract: All of the PT-symmetric potentials that have been studied so far have been local. In this paper nonlocal PT-symmetric separable potentials of the form $V(x,y)=i\epsilon[U(x)U(y)-U(-x)U(-y)]$...
Bound states in the radiation continuum and a resonant generation of second harmonics in double arrays of subwavelength dielectric cylinders
Bound states radiation continuum subwavelength dielectric cylinder second harmonics
2011/8/24
Abstract: A nonlinear electromagnetic scattering problem is studied for two parallel periodic arrays of dielectric cylinders with a second order nonlinear susceptibility. For a wide range of values of...
Novel Bound States Treatment of the Two Dimensional Schrodinger Equation with Pseudocentral Plus Multiparameter Noncentral Potential
Pseudocentral potentials noncentral potential two dimensional Schrodinger equation
2011/7/28
Abstract: By converting the rectangular basis potential V(x,y) into the form as V(r)+V(r, phi) described by the pseudo central plus noncentral potential, particular solutions of the two dimensional Sc...
Quasi-bound states in the continuum: a dynamical coupled-channel calculation of axial-vector charmed mesons
Quasi-bound states dynamical coupled-channel calculation High Energy Physics - Phenomenology
2011/7/28
Quasi-bound states in the continuum: a dynamical coupled-channel calculation of axial-vector charmed mesons.
Quasi-bound states in the continuum: a dynamical coupled-channel calculation of axial-vector charmed mesons
Quasi-bound coupled-channel axial-vector
2011/9/14
Masses and widths of the charmed axial-vector mesons D1(2420), D1(2430), Ds1(2536), and Ds1(2460) are calculated nonperturbatively in the Resonance-Spectrum-Expansion model, by coupling various open a...
Propagators for Scalar Bound States at Finite Temperature
in an NJL Model
NJL model thermal field theory the imaginary-time and
real-time formalisms four-point amputated functions imaginary part of
zero-temperature loop
2007/8/15
2002Vol.37No.3pp.303-308DOI:
Propagators for Scalar Bound States at Finite Temperature
in an NJL Model
ZHOU Bang-Rong
Department of Physics, Graduate School of the Chine...