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Spin stiffness

The spin-stiffness or spin rigidity or helicity modulus or the "superfluid density" (for bosons the superfluid density is proportional to the spin… Expand
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Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2016
2016
By means of first-principles calculations, we have systematically investigated how the magnetodynamic properties Gilbert damping… Expand
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2014
2014
Whether at zero spin density $m=0$ and finite temperatures $T>0$ the spin stiffness of the spin-$1/2$ $XXX$ chain is finite or… Expand
2014
2014
Rather generically, multicomponent superconductors and superfluids have intercomponent current-current interaction. We show that… Expand
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2013
2013
AA-stacked bilayer graphene supports Fermi circles in its bonding and antibonding bands which coincide exactly, leading to… Expand
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2011
2011
By reducing the dimensionality of a solid, its elec-tronic states and physical properties can be drasti-cally modified, but these… Expand
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2010
2010
Energy gaps are crucial aspects of the electronic structure of finite and extended systems. Whereas much is known about how to… Expand
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Highly Cited
2010
Highly Cited
2010
AbstractWe present numerical exact results for the ground state and the low-lying excitations for the spin-1/2 J1-J2 Heisenberg… Expand
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2006
2006
Abstract We present a theory describing the superconducting (SC) interaction of Dirac electrons in a quasi-two-dimensional system… Expand
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2005
2005
Abstract.The long-range forces between holes in an antiferromagnet are due to magnon exchange. The one-magnon exchange potential… Expand
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1998
1998
We discuss analogies between the charge- and spin response functions of itinerant magnets. We show that the spin-analog of the… Expand
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