73 citations · 1.3k across the 86 of their papers we have counts for
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cond-mat.str-el2010★ 22 cited
Collective Modes in the Loop Ordered Phase of Cuprates
Yan He, C. M. Varma
We show that the two branches of collective modes discovered recently in under-doped Cuprates with huge spectral weight are a necessary consequence of the loop-current state. Such…
cond-mat.mtrl-sci2010
Negative Thermal Expansion and Some Elastic properties of a Class of Solids
Yan He, Vladimir Cvetkovic, C. M. Varma
We consider the thermal expansion, change of sound velocity with pressure and temperature, and the Poisson ratio of lattices which have rigid units (polyhedra very large stiffness…