3 papers
cond-mat.str-el2023
Real-space decomposition of -wave Kitaev chain
D. K. He, E. S. Ma, Z. Song
We propose an extended Bogoliubov transformation in real space for spinless fermions, based on which a class of Kitaev chains of length with zero chemical potential can be map…
cond-mat.str-el2023
Topological bulk and edge correlations of BCS condensate in a two-dimensional singlet-triplet spin pairing model
E. S. Ma, K. L. Zhang, Z. Song
The condensate of the Bardeen-Cooper-Schrieffer (BCS) pair in the ground state, which may contain information on both topology and spin pairing, promises the superconductivity of t…
cond-mat.str-el2023
Superconducting state generated dynamically from distant pair source and drain
E. S. Ma, Z. Song
It has been well established that the origin of p-wave superconductivity is the balance between pair creation and annihilation, described by the spin-less fermionic Kitaev model. I…