搜索结果: 1-15 共查到“物理学 bound states”相关记录26条 . 查询时间(0.093 秒)
Absence of bound states implies non-negativity of the scattering length
Absence of bound states non-negativity of the scattering length Mathematical Physics
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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...
Deriving the existence of $B\bar{B}^*$ bound states from the X(3872) and Heavy Quark Symmetry
Deriving the existence Heavy Quark Symmetry
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2011/7/21
We discuss the possibility and the description of bound states between $B$ and $\bar{B}^*$ mesons. We argue that the existence of such a bound state can be deduced from (i) the weakly bound X(3872) st...
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
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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
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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
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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
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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
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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
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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...
More kaonic bound states and a comprehensive interpretation of the D_{sJ} states
kaonic bound states comprehensive interpretation D_{sJ} states
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2011/4/7
More kaonic bound states and a comprehensive interpretation of the D_{sJ} states 。
Bound states of the Duffin-Kemmer-Petiau equation with a mixed minimal-nonminimal vector cusp potential
Bound states the Duffin-Kemmer-Petiau equation
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2010/12/23
The problem of spin-0 and spin-1 bosons subject to a general mixing of minimal and nonminimal vector cusp potentials is explored in a unified way in the context of the Duffin-Kemmer-Petiau theory. Eff...
Conformal Mapping and Bound States in Bent Waveguides
Conformal Mapping Bent Waveguides Quantum Physics
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2010/11/8
Is it possible to trap a quantum particle in an open geometry? In this work we deal with the boundary value problem of the stationary Schroedinger (or Helmholtz) equation within a waveguide with strai...
Effect of quasi-bound states on coherent electron transport in twisted nanowires
quasi-bound states coherent electron transport twisted nanowires
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2010/11/8
Quantum transmission spectra of a twisted electron waveguide expose the coupling between traveling and quasi-bound states. Through a direct numerical solution of the open-boundary Schr\"odinger equati...
Bound states and persistent currents in topological insulator rings
Bound states persistent currents
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2010/11/25
We analyze theoretically the bound state spectrum of an Aharonov Bohm (AB) ring in a twodimensional topological insulator using the four-band model of HgTe-quantum wells as a concrete example.
A relativistic coupled-channel formalism for electromagnetic form factors of 2-body bound states
Relativistic quantum mechanics Few-body systems Electromagnetic structure
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2011/1/6
We discuss a Poincar´e invariant coupled-channel formalism which is based on the point-form of relativistic quantum mechanics.
Scattering and bound states by localized potentials
Scattering bound states localized potentials
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2010/11/5
A simple formalism for exploring quantum scattering and possible bound states in an arbitrary symmetric and localized potential in a unified way is presented. The symmetric square barrier and well pot...