19 citations · 28 across the 9 of their papers we have counts for
9 papers
Annular Majorana mode in a superconducting topological insulator
Shengshan Qin, Chi Wu, Lun-hui Hu +2
When the surface states of a topological insulator becomes superconducting, topological superconductivity can be obtained, and each vortex on the surface can host one single Majora…
Magnetism and Topology from Circularly Polarized Phonon Floquet Engineering
Dapeng Yao, Tiantian Zhang, Takashi Oka +1
We theoretically show that circularly polarized phonons induce electronic magnetization and drive a topological phase transition via phonon Floquet engineering. Considering the ele…
Topological phononics
Zeguo Chen, Tiantian Zhang, Xulong Wang +12
Topological phononics extends the foundational concepts of topological condensed matter physics to the realm of lattice vibrations and classical mechanical waves, unlocking robust,…
Direct probing the quantum geometric tensor for bosonic collective excitations
Chi Wu, Takashi Oka, Shuichi Murakami +1
The quantum geometric tensor (QGT), whose real and imaginary parts define the quantum metric and Berry curvature, encodes the intrinsic geometry of quantum states. While electronic…
Hopper-Like Growth of Higher-Order Topological Insulators
Yutaro Tanaka, Shuai Zhang, Tiantian Zhang +1
Understanding crystal growth and morphology is a fundamental issue in condensed matter physics. While crystal morphology due to the distribution and dynamics of the diffusion field…
Advances in Phonons: From Band Topology to Phonon Chirality
Tiantian Zhang, Yizhou Liu, Hu Miao +1
Phonons, the quantized collective vibrations of a crystal lattice, are among the most fundamental bosonic excitations in condensed matter systems. They govern thermal transport, me…
Weyl Phonons: The connection of topology and chirality
Tiantian Zhang, Shuichi Murakami, Hu Miao
Topology and chirality of fermionic quasiparticles have enabled exciting discoveries, including quantum anomalous Hall liquids and topological superconductivity. Recently, topologi…
Theory of fractional corner charges in cylindrical crystal shapes
Hidetoshi Wada, Tiantian Zhang, Shuichi Murakami
Recent studies showed that topologically trivial insulators may have fractionally quantized corner charges due to the topological invariant called a filling anomaly. Such crystal s…
Dirac points with topologically protected multihelicoid surface states
Tiantian Zhang, Daisuke Hara, Shuichi Murakami
In some Dirac systems with time-reversal (T) and glide (G) symmetries, multihelicoid surface states (MHSSs) appear, as discussed in various systems such as electronic and photonic…