1 citations · 2 across the 4 of their papers we have counts for
5 papers
Local wave-packet spectroscopy of the Drude weight in Tomonaga-Luttinger liquids
Takayuki Yokoyama, Yasuhiro Tada
We investigate wave packets generated by a local pulse electric field in a Tomonaga-Luttinger liquid (TLL) with a U(1) charge . Bosonization shows that a local pulse field creat…
Artificial-gauge-field-driven reentrant charge-density-wave phase in a three-leg Bose-Hubbard ladder
Takayuki Yokoyama, Yasuhiro Tada
We investigate hard-core bosons at half filling on a three-leg ladder under the uniform artificial gauge field. By analyzing current patterns and correlation functions, we uncover…
Diagnosing energy gap in quantum spin liquids via polarization amplitude
Takayuki Yokoyama, Yasuhiro Tada
Identifying whether a many-body ground state is gapped or gapless is a fundamental yet challenging problem, especially in quantum spin liquids. In this work, we develop a gap-diagn…
Strain-induced quantum oscillation in Kitaev spin liquid with Majorana-Fermi surface
Takayuki Yokoyama, Yasuhiro Tada
We theoretically study Landau quantization of itinerant Majorana quasiparticles induced by lattice strain in a Kitaev spin liquid with Majorana Fermi surfaces. We consider the isot…
Anomalous enhancement of Neel order in the square lattice Heisenberg model under fictitious magnetic field
Takayuki Yokoyama, Yasuhiro Tada
Fictitious magnetic fields can be introduced in quantum magnets by the strain engineering and the Aharonov-Casher effect. Here, we study impacts of a uniform fictitious magnetic fi…