7 papers · 1 filter
Phase Fluctuations in High Temperature Superconductors
Wonkee Kim, Yan Chen, C. S. Ting
Within the phase fluctuation picture for the pseudogap state of a high- superconductor, we incorporate the phase fluctuations generated by the classical XY model with the Bo…
Exploring Exotic Superfluidity of Polarized Ultracold Fermions in Optical Lattices
Y. Chen, Z. D. Wang, F. C. Zhang +1
We explore theoretically the novel superfluidity of harmonically-trapped polarized ultracold fermionic atoms in a two-dimensional (2D) optical lattice by solving the Bogoliubov-de…
LDOS modulations in cuprate superconductors with competing AF order: the temperature effect
Hong-Yi Chen, C. S. Ting
Based upon a phenomenological model and using Bogoliubov-de Gennes equations, we found that near the optimal doping at low temperature (), only the pure d-wa…
Theory of the NMR relaxation rates in cuprate superconductors with field induced antiferromagnetic order
Yan Chen, Jian-Xin Zhu, C. S. Ting
Based on a model Hamiltonian with a d-wave pairing interaction and a competing antiferromagnetic interaction, we numerically study the site dependence of the nuclear spin resonance…
Energy-Dependent LDOS Modulation in Cuprate Superconductors
Degang Zhang, C. S. Ting
Motivated by the recent scanning tunneling microscopy (STM) experiment [J. E. Hoffman, {\it et al.}, Science {\bf 297}, 1148 (2002)], we investigate the energy-dependent modulation…
Superconducting Transition in Doped Antiferromagnet
Ming Shaw, Z. Y. Weng, C. S. Ting
We investigate the superconducting transition in a doped antiferromagnet. Based on the phase string framework of the t-J model, an effective model describing the phase-coherence tr…