108 citations · 2k across the 71 of their papers we have counts for
71 papers
Impurity screening by defects in (1+1) quantum critical systems
Ying-Hai Wu, Yueshui Zhang, Hong-Hao Tu +1
We propose a novel mechanism of impurity screening in (1+1) quantum critical states described by conformal field theories (CFTs). An impurity can be screened if it has the same…
Open Quantum System Dynamics from Infinite Tensor Network Contraction
Valentin Link, Hong-Hao Tu, Walter T. Strunz
Approaching the long-time dynamics of non-Markovian open quantum systems presents a challenging task if the bath is strongly coupled. Recent proposals address this problem through…
Symmetry-protected topological phases, conformal criticalities, and duality in exactly solvable SO() spin chains
Sreejith Chulliparambil, Hua-Chen Zhang, Hong-Hao Tu
We introduce a family of SO()-symmetric spin chains which generalize the transverse-field Ising chain for . These spin chains are defined with Gamma matrices and can be exa…
Continuous phase transitions between fractional quantum Hall states and symmetry-protected topological states
Ying-Hai Wu, Hong-Hao Tu, Meng Cheng
We study quantum phase transitions in Bose-Fermi mixtures driven by interspecies interaction in the quantum Hall regime. In the absence of such an interaction, the bosons and fermi…
Universal scaling of Klein bottle entropy near conformal critical points
Yueshui Zhang, Anton Hulsch, Hua-Chen Zhang +3
We show that the Klein bottle entropy [Phys. Rev. Lett. 119, 261603 (2017)] for conformal field theories (CFTs) perturbed by a relevant operator is a universal function of the dime…
U(1)-symmetric Gaussian fermionic projected entangled paired states and their Gutzwiller projection
Jheng-Wei Li, Jan von Delft, Hong-Hao Tu
We develop a formalism for constructing particle-number-conserving Gaussian fermionic projected entangled pair states [U(1)-GfPEPS] and show that these states can describe ground s…