8 citations · 16 across the 5 of their papers we have counts for
5 papers
Giant bubbles of Fisher zeros in the quantum XY chain
Songtai Lv, Yang Liu, Erhai Zhao +2
We demonstrate an alternative approach based on complex-valued inverse temperature and partition function to probe quantum phases of matter with nontrivial spectra and dynamics. It…
Topological Feature of Real-time Fisher Zeros
Yuchen Meng, Yang Liu, Erhai Zhao +1
There are numerous methods to characterize topology and its boundary zero modes, yet their statistical mechanical properties have not received as much attention as other approaches…
From Complexification to Self-Similarity: New Aspects of Quantum Criticality
Yang Liu, Erhai Zhao, Haiyuan Zou
Quantum phase transitions are a fascinating area of condensed matter physics. The extension through complexification not only broadens the scope of this field but also offers a new…
Detecting Many-Body Scars from Fisher Zeros
Yuchen Meng, Songtai Lv, Yang Liu +3
The far-from-equilibrium dynamics of certain interacting quantum systems still defy precise understanding. One example is the so-called quantum many-body scars (QMBSs), where a set…
Exact Fisher zeros and thermofield dynamics across a quantum critical point
Yang Liu, Songtai Lv, Yuchen Meng +3
By setting the inverse temperature loose to occupy the complex plane, Fisher showed that the zeros of the complex partition function , if approaching the real axis, reve…