نتایج جستجو برای: spin density waves
تعداد نتایج: 622917 فیلتر نتایج به سال:
Charge Density Waves , Spin D 8 nSlty Waves , and Pelerls Distortions in OncDimensional Metals . 2 .
of the S, state in place of the second C, value in eq 9. Note that the first C, value must be that of the So state since the distribution of the CF3H molecule is the same as that in the ground state duing the light absorption. In this way, the stabilization energy in the SI state during the light absorption is calculated to be 904 cm-]. With these values, the bathochromic shift due to the compl...
The field theory lim it of antiferromagnetism with holes is described using the O(3) nonlinear sigma mode l. The m inimal coupling to the spin-wave gives a Pauli term that couples the hole charge density to the topological charge density for solitons. This term leads to drastic consequences; an attractive potential for holes and solitons, spin-charge coupling for the holes and zero-momentum mod...
To know the properties of a particle or a wave, one should measure how its energy changes with its momentum. The relation between them is called the dispersion relation, which encodes essential information of the kinetics. In a magnet, the wave motion of atomic spins serves as an elementary excitation, called a spin wave, and behaves like a fictitious particle. Although the dispersion relation ...
Propagation of the finite amplitude electromagnetic wave through partially spin-polarized degenerate plasmas leads to an instability. This instability happens due interaction with small-frequency longitudinal spin-electron-acoustic waves. The strongest growth in high-density Fermi momentum close mec, where me is mass electron and c speed light. increase increment spin polarization found.
Magnonics is an emerging field dealing with ultralow power consumption logic circuits, in which the flow of spin waves, rather than electric charges, transmits and processes information. Waves, including spin waves, excel at encoding information via their phase using interference. This enables a number of inputs to be processed in one device, which offers the promise of multi-input multi-output...
Yan Li,1,2 Chunlei Qu,2 Yongsheng Zhang,3,4,2 and Chuanwei Zhang2,* 1Department of Physics, East China Normal University, Shanghai 200241, China 2Department of Physics, The University of Texas at Dallas, Richardson, Texas 75080, USA 3Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, China 4Synergetic Innovation Center of Quantum Information and Quan...
The propagation properties of spin degrees freedom are analyzed in the framework relativistic hydrodynamics with based on de Groot van Leeuwen--van Weert definitions energy-momentum and tensors. We derive analytical expression for wave velocity arbitrary statistics show that it goes to half speed light ultrarelativistic limit. find only transverse propagate, analogously electromagnetic waves. F...
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