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cond-mat.str-el2026
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…
cond-mat.str-el2026
Evidence for interior-gap pair-density-wave state in Kondo-Heisenberg chains
Yuto Hirose, Shunsuke C. Furuya, Yasuhiro Tada
Interior-gap superconductivity has long been discussed as an exotic paired state in the presence of Fermi-surface mismatch, but its realization in canonical strongly correlated mod…
cond-mat.quant-gas2026
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…