Results 281 to 290 of about 128,254 (319)

Formation of few-electron triple quantum dots in ZnO heterostructures. [PDF]

Sci Rep
Baba K, Noro K, Kozuka Y, Kumasaka T, Shinozaki M, Kawasaki M, Otsuka T.   +6 more
europepmc   +1 more source

Ferroelectricity-driven strain-mediated magnetoelectric coupling in two-dimensional multiferroic heterostructure. [PDF]

Nat Commun
Cai C, Wen Y, Liang S, Yin L, Cheng R, Wang H, Feng X, Liu L, He J.   +8 more
europepmc   +1 more source

Evidences of topological nodal line semimetal in Mn₃GaC: Anomalous Hall effect, thermal transport and DFT studies. [PDF]

Sci Rep
Gangwar S, Choudhury A, Maitra T, Yadav CS.   +3 more
europepmc   +1 more source

Quantum Spin-Hall Effect in a Quantum Wire

Quantum Spin-Hall Effect in a Quantum Wire
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The quantum spin Hall effect

Journal of Applied Physics, 2011
In a two-dimensional system the quantum spin Hall effect (QSHE) state is characterized by an insulating bulk and two counter-propagating helical edge states. These edge channels are protected by time reversal symmetry and spin currents propagate without dissipation.
Joseph Maciejko, Taylor L. Hughes, Shou-Cheng Zhang   +2 more
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Quantum anomalous Hall-quantum spin Hall effect in optical superlattices

Optics Letters, 2018
We consider the topological characteristics of the spin-orbital coupling particles loaded in one-dimensional (1D) optical superlattices subject to the Zeeman field. The phase shift of the superlattice provides a virtual dimension which allows us to simulate two-dimensional topological phases with a physically 1D system.
Ce Shang, Xianfeng Chen, Weidong Luo, Fangwei Ye   +3 more
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Fractional quantum Hall effect with spin reversal

Physical Review B, 1989
We study the spin polarization of the ground states and the excited states of the fractional quantum Hall effect, using spherical geometry for finite-size systems. In the absence of the Zeeman energy, the ground states at filling 2/q, with q odd, are found to be spin unpolarized and nondegenerate for all values of q studied.
Zhang, FC, Guo, Y, Xie, XC
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Quantum Spin Hall Effect

2012
A quantum spin Hall system possesses a pair of helical edge states. It exhibits the quantum spin Hall effect, in which an electric current can induce a transverse spin current or spin accumulation near the system boundary.
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Quantum Anomalous Hall Effect and Quantum Spin Hall Effect

2017
A quantum anomalous Hall system possesses chiral edge states around its boundary, giving rise to quantized Hall conductance even in the absence of external magnetic field. Quantum spin Hall effect is a spin version of quantum Hall effect. A quantum spin Hall system possesses a pair of helical edge states, in which an electric current can induce a ...
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