Spin excitation spectra of the spin-$1/2$ triangular Heisenberg antiferromagnets from tensor networks

Run-Ze Chi, 2, ∗ Yang Liu, 2, ∗ Yuan Wan, 3 Hai-Jun Liao, 3, † and T. Xiang 2, 4, ‡ Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China. School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China. Songshan Lake Materials Laboratory, Dongguan, Guangdong 523808, China. Beijing Academy of Quantum Information Sciences, Beijing, China.