NMR relaxation rate and static spin susceptibility in graphene (2008)
The NMR relaxation rate and the static spin susceptibility in graphene are studied within a tight-binding description. At half filling, the NMR relaxation rate follows a power law as $T^2$ on the...
Extra Current and Integer Quantum Hall Conductance in the Spin-Orbit Coupling System (2007)
Li, Yi, Ma, Tianxing, Tao, Ruibao
We study the extra term of particle current in a 2D k-cubic Rashba spin-orbit coupling system and the integer quantization of the Hall conductance in this system. We provide a correct formula of...
The electric-field-induced resonant spin polarization of a two-dimensional hole gas described by Luttinger Hamiltonian with structural inversion asymmetry and Zeeman splitting in a perpendicular...
Spin accumulation from the non-Abelian Aharonov-Bohm effect (2007)
Liu, Qin, Ma, Tianxing, Zhang, Shou-Cheng
Recently, it has been shown that the spin-orbit coupling (SOC) of the Dresselhaus type in $[110]$ quantum wells can be mathematically removed by a non-Abelian gauge transformation. In the presence of...
Sign changes and resonance of intrinsic spin Hall effect in two-dimensional hole gas (2006)
The intrinsic spin Hall conductance shows rich sign changes by applying a perpendicular magnetic field in a two-dimensional hole gas. Especially, a notable sign changes can be achieved by adjusting...
Theory of superconductivity in doped cuprates (2006)
Within the t-t'-J model, the physical properties of doped cuprates in the superconducting-state are discussed based on the kinetic energy driven superconducting mechanism. We show that the...
Spin Hall Conductance of the Two Dimensional Hole Gas in a Perpendicular Magnetic Field (2006)
The charge and spin Hall conductance of the two-dimensional hole gas within the Luttinger model with and without inversion symmetry breaking terms in a perpendicular magnetic field are studied, and...
Within the kinetic energy driven superconducting mechanism, the effect of the additional second neighbor hopping t' on the superconducting state of the t-J model is discussed. It is shown that t'...
The charge asymmetry in superconductivity of hole- and electron-doped cuprates (2005)
Within the t-t'-J model, the charge asymmetry in superconductivity of hole- and electron-doped cuprates is studied based on the kinetic energy driven superconducting mechanism. It is shown that...
Ma, Tianxing, Guo, Huaiming, Feng, Shiping
Within the kinetic energy driven superconducting mechanism, the interplay between the single particle coherence and superconducting instability in doped cuprates is studied. The superconducting...
The magnetic nature of superconductivity in doped cuprates (2004)
Feng, Shiping, Ma, Tianxing, Guo, Huaiming
Within the kinetic energy driven superconducting mechanism, the magnetic nature of cuprate superconductors is discussed. It is shown that the superconducting state is controlled by both charge...
Doping dependence of charge dynamics in electron-doped cuprates (2004)
Ma, Tianxing, Guo, Huaiming, Feng, Shiping
Within the t-t'-J model, the doping dependence of charge dynamics in electron-doped cuprates is studied. The conductivity spectrum shows a pseudogap structure with a low-energy peak appearing at...
Unusual heat transport in underdoped cuprates (2003)
Within the t-J model, the heat transport of the underdoped cuprates is studied based on the fermion-spin theory. It is shown that at low temperatures the energy dependence of the thermal conductivity...
Gauge invariant dressed holon and spinon in doped cuprates (2003)
Feng, Shiping, Ma, Tianxing, Qin, Jihong
We develop a partial charge-spin separation fermion-spin theory implemented the gauge invariant dressed holon and spinon. In this novel approach, the physical electron is decoupled as the gauge...
Unusual charge transport and spin response of doped bilayer triangular antiferromagnets (2003)
Liang, Ying, Ma, Tianxing, Feng, Shiping
Within the t-J model, the charge transport and spin response of the doped bilayer triangular antiferromagnet are studied by considering the bilayer interaction. Although the bilayer interaction leads...
Feng, Shiping, Qin, Jihong, Ma, Tianxing
A partial charge-spin separation fermion-spin theory is developed to study the normal-state properties of the underdoped cuprates. In this approach, the physical electron is decoupled as a gauge...