WebNov 10, 2008 · This ordering is essentially different from the Néel-type ordering, which is expected for the classical system, and the peculiar spin structure is caused by quantum fluctuation inherent in the quantum spin chain. WebIncommensurate charge order in hole-doped oxides is intertwined with exotic phenomena such as colossal magnetoresistance, high-temperature superconductivity, and electronic …

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WebWhen the magnetic unit is non-integer multiple of nuclear unit cell, the magnetic structure is incommensurate ( for example, a_mag*b_mag*c_mag = … WebAn experimental and theoretical study of the field dependence of the structural modulation in the incommensurate high field phase of the spin-Peierls cuprate ${\\mathrm{CuGeO}}_{3}$ is presented. The averaged structural order parameter is determined from magnetostriction and thermal expansion experiments in magnetic fields … list of bills in congress

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WebApr 5, 2007 · Such incommensurate ordering is associated with a ‘webbed’ topology3,4 of the momentum space surface separating the occupied and unoccupied electron states … WebFeb 8, 2011 · from incommensurate to quasicrystals. It is by now a well established fact that even the ideal thermodynamic ground state of a solid state system is not necessarily periodic. In fact crystallography has always been forced to generalize its definitions and its symmetry notions. WebFeb 25, 2014 · incommensurate order, by extending the magnetic. unit cell to approximate the incommensurate mag-netic ordering wav e vector with a rational num ber. Here we propose an extension to his method, where. list of bill of rights for kids