Chiral p-wave pairing of ultracold fermionic atoms due to a quadratic band touching<xref rid="cpb_27_2_027402fn1" ref-type="fn">*</xref> <fn id="cpb_27_2_027402fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant No. 11675116) and the Soochow University, China.</p> </fn>

Chiral p-wave pairing of ultracold fermionic atoms due to a quadratic band touching* *

Project supported by the National Natural Science Foundation of China (Grant No. 11675116) and the Soochow University, China.

Wang Hai-Xiao, Liu Zi-Heng, Jiang Jian-Hua^†

(color online) Properties of the superfluid ground state of the checkerboard lattice systems. (a) The ratio of the order parameters |Φ₁|/|Φ₋₃| as a function of the ratio of the nearest neighbor interaction to the next-nearest neighbor interaction V/U. (b) Bogoliubov quasi-particle spectra as a function of k_y in a stripe with periodic (open) boundary condition along the y (x) direction. The parameters are t₀ = 10, t_z = t_x = 20, μ = 2, V/2 = U = 1, and g = 0.95. The width of the stripe along the x direction is N_x = 501 unit cells.