منابع مشابه
Thermal Hall Effect of Spin Excitations in a Kagome Magnet.
At low temperatures, the thermal conductivity of spin excitations in a magnetic insulator can exceed that of phonons. However, because they are charge neutral, the spin waves are not expected to display a thermal Hall effect. However, in the kagome lattice, theory predicts that the Berry curvature leads to a thermal Hall conductivity κ(xy). Here we report observation of a large κ(xy) in the kag...
متن کاملThermal Hall effect of spins in a paramagnet
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. The theory of Hall transport of spins in a correlated paramagnetic phase is developed. By identifying the thermal H...
متن کاملQuantized thermal transport in the fractional quantum Hall effect
We analyze thermal transport in the fractional quantum Hall effect ~FQHE!, employing a Luttinger liquid model of edge states. Impurity mediated interchannel scattering events are incorporated in a hydrodynamic description of heat and charge transport. The thermal Hall conductance KH is shown to provide universal characterization of the FQHE state, and reveals nontrivial information about the ed...
متن کاملTheory of the thermal Hall effect in quantum magnets.
We present a theory of the thermal Hall effect in insulating quantum magnets, where the heat current is totally carried by charge-neutral objects such as magnons and spinons. Two distinct types of thermal Hall responses are identified. For ordered magnets, the intrinsic thermal Hall effect for magnons arises when certain conditions are satisfied for the lattice geometry and the underlying magne...
متن کاملOn the Senftleben-Beenakker Electric Effect in Gaseous Ammonia
to those involving n bonds as well. It is our con tention that the constants determined and used in this investigation are universal to all the hydrocar bons, be they aliphatic or aromatic. Furthermore, we believe that the technique as used in the deter mination of the atomization energies and stable con figurations stands unique in its class of semi-empiri cal calculations. Be that as it ...
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ژورنال
عنوان ژورنال: Physics of the Solid State
سال: 2008
ISSN: 1063-7834,1090-6460
DOI: 10.1134/s1063783408100089