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关于举办“第四届中法固体核磁共振波谱学讲习班”的通知（4th Sino-French Workshop on Solid-state NMR Spectroscopy 2017）
第四届 中法固体核磁共振波谱学 讲习班
2017/9/22
近年来，固体核磁共振波谱学得到了迅猛发展，新的实验方法和技术层出不穷，在多相催化、材料科学及生物大分子的研究中得到日益广泛的应用。为了推动我国固体NMR领域的研究进展，中科院武汉物理与数学研究所波谱与原子分子物理国家重点实验室、国家大型科学仪器中心·武汉磁共振中心将与法国里尔一大强磁场中心联合举办“第四届中法固体核磁共振波谱学讲习班”(4th Sino-French Workshop on Sol...
‘Negative mass’ created at Washington State University
Negative mass Washington State University
2017/4/27
Washington State University physicists have created a fluid with negative mass, which is exactly what it sounds like. Push it, and unlike every physical object in the world we know, it doesn’t acceler...
Iowa State physicist analyzes first electron neutrino data from NOvA Experiment
Iowa State physicist first electron neutrino data NOvA Experiment
2016/4/25
Mayly Sanchez clicked to a presentation slide showing the telltale track of an electron neutrino racing through the 14,000-ton Far Detector of the NOvA Neutrino Experiment.Since that detector sta...
Ground-State Structures of Ice at High-Pressures
High-Pressures Ground-State Structures Ice
2011/9/13
Ab initio random structure searching based on density functional theory is used to determine the ground-state structures of ice at high pressures. Including estimates of lattice zero-point energies,ic...
Dynamical control of quantum state transfer within hybrid open systems
Dynamical control quantum state transfer hybrid open systems
2010/11/8
We analyze quantum state-transfer optimization within hybrid open systems, from a "noisy" (write-in) qubit to its "quiet" counterpart (storage qubit). Intriguing interplay is revealed between our abil...
Completely mixed state is a critical point for three-qubit entanglement
Completely mixed state critical point three-qubit entanglement
2010/11/5
Pure three-qubit states have five algebraically independent and one algebraically dependent polynomial invariants under local unitary transformations and an arbitrary entanglement measure is a functi...
Many-body spin interactions and the ground state of a dense Rydberg lattice gas
Many-body spin interactions ground state dense Rydberg lattice gas
2010/11/11
We study a one-dimensional atomic lattice gas in which Rydberg atoms are excited by a laser and whose external dynamics is frozen. We identify a parameter regime in which the Hamiltonian is well-appr...
The set of trace preserving, positive maps acting on density matrices of size d forms a convex body. We investigate its nested subsets consisting of k-positive maps, where k=2,...,d. Working with the ...
Equation of state and singularities in FLRW cosmological models
FLRW cosmological models Friedmann equations
2010/3/18
We consider FLRW cosmological models with standard Friedmann equations, but leaving free the equation of state. We assume that the dark energy content of the universe is encoded in an equation of stat...
Critical State Models for Intergrain Junctions of Polycrystalline Superconductors by Third Harmonic ac Susceptibility Measurements
Low field Josephson junction Critical state models
2010/4/9
High harmonic response of high-Tc and Chevrel-phase polycrystalline superconductors are measured in the presence of small ac excitation field and dc magnetic field applied on it. The aim of this work ...
Variational Ground State Approach for A Tunnelling Exciton Coupled to Phonons
Hamiltonian Ground state approximation Vacuum state
2010/4/9
In this paper a variational study of a tunnelling exciton (Frenkel exciton) coupled to an arbitrary number of phonon modes is presented. The results of our model are presented both for weak non-adiaba...
Relativistic Equation of State with Short Range Correlations
Relativistic Equation of State Short Range Correlations
2010/10/15
Short range correlations are introduced using unitary correlation method in a relativistic approach to the equation of state of the infinite nuclear matter in the framework of the Hartree-Fock approxi...
Revisiting the First-Principles Approach to the Granular Gas Steady State
the First-Principles Approach the Granular Gas Steady State
2010/10/26
We extend a Fokker-Planck formalism, previously used to describe the behavior of a cooling granular gas, with a Hertzian contact potential and viscoelastic radial friction, giving a velocity dependent...
Relativistic Equations of State at Finite Temperature
Relativistic Equations of State Finite Temperature
2010/10/25
In this work we study the effects of temperature on the equations of state within a relativistic model, with the inclusion of the baryons of the octet over a wide range of densities. We compare the re...
We investigate the properties of mixed stars formed by hadronic and quark matter in ¯-equilibrium described by appropriate equations of state (EOS) in the framework of relativistic mean-field the...