pus840
发表于 2025-3-26 21:46:12
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蚊帐
发表于 2025-3-27 03:51:27
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Mhc-Molecule
发表于 2025-3-27 08:20:34
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救护车
发表于 2025-3-27 10:45:35
Quantum Critical Points-Experiments,We review experiments on Li(Ho,Tb).Y.F. which test ideas about quantum critical phenomena in the clean (ferromagnetic) and disordered (spin glass) limits. The outstanding problem of the ‘anti-glass’ discovered for p=0.045 is also described. Finally, we point out the ubiquity of quantum critical points in condensed matter physics.
易于出错
发表于 2025-3-27 17:19:07
Soliton Confinement and the Excitation Spectrum of Spin-Peierls Antiferromagnets,The excitation spectrum of spin-Peierls antiferromagnets is discussed taking into acount phonon dynamics but treating inter-chain elastic couplings in mean field theory. This gives a ladder of soliton-anti-soliton boundstates, with no soliton continuum, until soliton deconfinement takes place at a transition into a non-dimerized phase.
Osteoporosis
发表于 2025-3-27 19:48:34
The Excitations of One-Dimensional Spin 1/2 Antiferromagnets,main walls. CsGeO. is an example of a spin-Peierls system in which the coupling to the lattice causes a alternation of the exchange constants and the ground state becomes a non-magnetic dimer state. The excitations are then long lived but different from spin waves and best described as the triplet e
斜
发表于 2025-3-28 00:37:38
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Accomplish
发表于 2025-3-28 06:10:19
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使害怕
发表于 2025-3-28 07:03:39
Spin Spectroscopy and Coherence in Magnetic Quantum Structures,ation and for new generations of magneto-electronic devices . In this chapter, we focus on experiments that probe the fundamental spin dynamical properties of a low dimensional (i.e. d < 3) electron or exciton gas that is strongly exchange coupled to a controlled distribution of local moments.
傻
发表于 2025-3-28 11:42:58
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