128 citations · 743 across the 19 of their papers we have counts for
19 papers
Lieb-Schultz-Mattis Theorem for 1D Quantum Magnets with Antiunitary Translation and Inversion Symmetries
Yuan Yao, Linhao Li, Masaki Oshikawa +1
We study quantum many-body systems in the presence of an exotic antiunitary translation or inversion symmetry involving time reversal. Based on a symmetry-twisting method and spect…
Boundary condition and reflection anomaly in dimensions
Jiunn-Wei Chen, Chang-Tse Hsieh, Ryutaro Matsudo
It is known that the d single Majorana fermion theory has an anomaly of the reflection, which is canceled out when 16 copies of the theory are combined. Therefore, it is expec…
Relating non-Hermitian and Hermitian quantum systems at criticality
Chang-Tse Hsieh, Po-Yao Chang
We demonstrate three types of transformations that establish connections between Hermitian and non-Hermitian quantum systems at criticality, which can be described by conformal fie…
Boundary conditions and anomalies of conformal field theories in 1+1 dimensions
Linhao Li, Chang-Tse Hsieh, Yuan Yao +1
We study a relationship between conformally invariant boundary conditions and anomalies of conformal field theories (CFTs) in 1+1 dimensions. For a given CFT with a global symmetry…
Effective field theories of topological crystalline insulators and topological crystals
Sheng-Jie Huang, Chang-Tse Hsieh, Jiabin Yu
We present a general approach to obtain effective field theories for topological crystalline insulators whose low-energy theories are described by massive Dirac fermions. We show t…
Anomaly inflow and -form gauge theories
Chang-Tse Hsieh, Yuji Tachikawa, Kazuya Yonekura
Chiral and non-chiral -form gauge fields have gravitational anomalies and anomalies of Green-Schwarz type. This means that they are most naturally realized as the boundary modes…