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35 papers · 1 filter
Electron Transport Properties of Composite Ferroelectrics
O. G. Udalov, A. Glatz, I. S. Beloborodov
We study electron transport in composite ferroelectrics --- materials consisting of metallic grains embedded in a ferroelectric matrix. Due to its complex tunable morphology the th…
A Topological Spin Chern Pump
C. Q. Zhou, Y. F. Zhang, L. Sheng +3
We propose a one-dimensional electron model with parameters modulated adiabatically in closed cycles, which can continuously pump spin to leads. By defining the spin-polarized Wann…
Nature of strong hole pairing in doped Mott antiferromagnets
Zheng Zhu, Hong-Chen Jiang, Dong-Ning Sheng +1
Cooper pairing instability in a Fermi liquid is well understood by the BCS theory, but pairing mechanism for doped Mott insulators still remains elusive. Previously it has been sho…
Emergent Chiral Spin Liquid: Fractional Quantum Hall Effect in a Kagome Heisenberg Model
Shou-Shu Gong, Wei Zhu, D. N. Sheng
The fractional quantum Hall effect (FQHE) realized in two-dimensional electron systems under a magnetic field is one of the most remarkable discoveries in condensed matter physics.…
The Flip Diameter of Rectangulations and Convex Subdivisions
Eyal Ackerman, Michelle M. Allen, Gill Barequet +4
We study the configuration space of rectangulations and convex subdivisions of points in the plane. It is shown that a sequence of elementary flip and rotate opera…
Chiral spin liquid in a frustrated anisotropic kagome Heisenberg model
Yin-Chen He, D. N. Sheng, Yan Chen
Kalmeyer-Laughlin (KL) chiral spin liquid (CSL) is a type of quantum spin liquid without time-reversal symmetry, and it is considered as the parent state of an exotic type of super…