搜索结果: 121-135 共查到“理学 interaction”相关记录501条 . 查询时间(0.094 秒)
Charmonium-nucleon interaction from lattice QCD with a relativistic heavy quark action
Charmonium-nucleon lattice QCD relativistic heavy quark action
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2011/1/6
Detailed information of the low-energy interaction between the charmonia ({\eta}c and J/{\psi}) and the nucleon is indispensable for exploring the formation of charmonium bound to nuclei. In order to ...
Charmonium-nucleon interaction from lattice QCD with a relativistic heavy quark action
Charmonium-nucleon lattice QCD relativistic heavy quark action
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2011/1/6
Detailed information of the low-energy interaction between the charmonia ({\eta}c and J/{\psi}) and the nucleon is indispensable for exploring the formation of charmonium bound to nuclei. In order to ...
Coulomb interaction in graphene: Relaxation rates and transport
Coulomb interaction in graphene Relaxation rates transport
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2010/11/25
We analyze the inelastic electron-electron scattering in undoped graphene within the Keldysh
diagrammatic approach. We demonstrate that finite temperature strongly affects the screening
properties o...
Aerosol-cloud interaction determined by both in situ and satellite data over a northern high-latitude site
Aerosol-cloud interaction in situ and satellite data a northern high-latitude site
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2010/11/30
The first aerosol indirect effect over a clean, northern high-latitude site was investigated by determining the aerosol cloud interaction (ACI) using three different approaches; ground-based in situ m...
Interaction and filling induced quantum phases of dual Mott insulators of bosons and fermions
Interaction quantum phases of dual Mott insulators bosons fermions
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2010/11/24
Many-body effects are at the very heart of diverse phenomena found in condensed-matter physics.
One striking example is the Mott insulator phase where conductivity is suppressed as a result
of a str...
On the biquadratic interaction in ferropnictides
biquadratic interaction ferropnictides
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2010/11/19
The discovery of superconductivity in LaFeAsO introduced the ferropnictides as a major new class of superconducting compounds with critical temperatures second only to cuprates. The presence of magnet...
Density-dependent nucleon-nucleon interaction from three-nucleon forces
Density-dependent nucleon-nucleon interaction three-nucleon forces
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2011/1/6
Microscopic calculations based on realistic nuclear hamiltonians, while yielding accurate results for the energies of the ground and low-lying excited states of nuclei with A ≤ 12, fail to reproduce t...
Coherent Interaction of a Single Fermion with a Small Bosonic Field
Coherent Interaction Single Fermion Small Bosonic Field
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2010/11/23
We have experimentally studied few-body impurity systems consisting of a single fermionic atom
and a small bosonic eld on the sites of an optical lattice. Quantum phase revival pectroscopy has allow...
Magnetic field dependence of pairing interaction in ferromagnetic superconductors with triplet pairing
Magnetic field dependence of pairing interaction ferromagnetic superconductors triplet pairing
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2010/11/23
It is developed a microscopic description of superconductivity in ferromagnetic materials with
triplet pairing triggered by the exchange of magnetic fluctuations. Instead widely used paramagnon model...
Coulomb interaction effects and electron spin relaxation in the 1d Kondo lattice model
Ludwig-Maximilians-Universit¨at M¨unchen University of Queensland
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2010/11/23
We study the effects of the Coulomb interaction in the one dimensional Kondo lattice model on
the phase diagram, the static magnetic susceptibility and electron spin relaxation. We show that onsite C...
Spin exchange interaction with tunable range between graphene quantum dots
Spin exchange interaction tunable graphene quantum dots
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2010/11/22
We study the spin exchange between two electrons localized in separate quantum dots in graphene.The electronic states in the conduction band are coupled indirectly by tunneling to a common continuum o...
Confinement-induced p-wave resonances from s-wave interaction
confinement-induced p-wave resonances s-wave interaction
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2010/11/8
We show that a purely s-wave interaction in three dimensions (3D) can induce higher partial-wave resonances in mixed dimensions. We develop two-body scattering theories in all three cases of 0D-3D, 1D...
Optically induced spin polarisation of the NV- centre in diamond: role of electron-vibration interaction
Optically induced spin polarisation NV- centre in diamond: role electron-vibration interaction
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2010/11/22
The novel aspect of the centre (NV−) in diamond is the high degree of spin polarisation achieved through optical illumination. In this paper it is shown that the spin polarisation occurs as a co...
Optical investigations of the chemical pressurized EuFe2(As1-xPx)2: an s-wave superconductor with strong interband interaction
Optical investigations s-wave superconductor interband interaction
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2010/11/18
Superconducting EuFe2(As0.82P0.18)2 single crystals are investigated by infrared spectroscopy in a wide frequency range. Below Tc = 28 K a superconducting gap forms at 20 = 9.5 meV = 3.8kBTc causing ...
Interaction anisotropy and random impurities effects on the critical behaviour of ferromagnets
Interaction anisotropy random impurities effects critical behaviour of ferromagnets
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2010/11/23
The theory of phase transitions is based on the consideration of "idealized" models, such as the Ising model: a system of magnetic moments living on a cubic lattice and having only two accessible stat...