20 citations · 55 across the 16 of their papers we have counts for
16 papers
Theory of Andreev and shot noise spectroscopy for topological superconductors probed by -wave superconducting tips
Jushin Tei, Ryo Hanai, Satoshi Fujimoto +1
Scanning tunneling microscopy (STM) and spectroscopy (STS) with -wave superconducting tips has been widely applied to probe exotic superconductors, but its potential for investi…
Intrinsic spin Nernst effect in spin-triplet superconductors
Taiki Matsushita, Youichi Yanase, Takeshi Mizushima +2
We theoretically investigate the intrinsic (impurity-independent) spin Nernst effect (SNE), a spin current generation perpendicular to temperature gradients, in spin-triplet superc…
Observation of the crossover from quantum fluxoid to half-quantum fluxoid in a chiral superconducting device
Masashi Tokuda, Fumiya Matsumoto, Noriaki Maeda +16
Topological superconductors are one of the intriguing material groups from the viewpoint of not only condensed matter physics but also industrial application such as quantum comput…
Magnetic penetration depth in topological superconductors: Effect of Majorana surface states and application for UTe
Kazuki Akuzawa, Jushin Tei, Ryoi Ohashi +2
In this study, we examine how orbital degrees of freedom and Majorana surface states influence the magnetic penetration depth in the superconductor UTe. Using a two-orbital mod…
Two-dimensional flat band on the (011) surface of UTe: Implication for STM measurements with a superconducting tip
Jushin Tei, Takeshi Mizushima, Satoshi Fujimoto
Scanning tunneling microscopy (STM) measurements have been extensively performed on the easily cleavable (011) surface of UTe, using both normal-metal and superconducting tips.…
Optical-vortex-pulse induced nonequilibrium spin textures in spin-orbit coupled electrons
Shunki Yamamoto, Masahiro Sato, Satoshi Fujimoto +1
Optical vortex beams are a type of topological light characterized by their inherent orbital angular momentum, leading to the propagation of a spiral-shaped wavefront. In this stud…
Detecting Topological Phase Transition in Superconductor-Semiconductor Hybrids by Electronic Raman Spectroscopy
Takeshi Mizushima, Yukio Tanaka, Jorge Cayao
In superconductor-semiconductor hybrids, applying a magnetic field closes a trivial bulk gap and causes a topological phase transition (TPT), resulting in the emergence of Majorana…
Nonreciprocal heat transport in the Kitaev chiral spin liquid
Yoshiki Sano, Daichi Takikawa, Masahiro O. Takahashi +3
Nonreciprocal transport, characterized by its direction-selective nature, holds significant potential for applications in various devices. In this study, we investigate nonreciproc…
Collective modes in Fulde-Ferrell-Larkin-Ovchinnikov superconductors: The role of long-range Coulomb interaction and signatures in density response
Ryoga Miwa, Ryoi Ohashi, Satoshi Fujimoto +1
We theoretically investigate collective excitations in the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) states of Pauli-limited superconducting films. When the long-range Coulomb intera…
Impurity bands, line-nodes, and anomalous thermal Hall effect in Weyl superconductors
Taiki Matsushita, Naoyuki Kimura, Takeshi Mizushima +2
We investigate the anomalous thermal Hall effect (ATHE) in Weyl superconductors realized by the (-wave and -wave) chiral superconducting order for the point group $D…
Anisotropic paramagnetic response of topological Majorana surface states in the superconductor
Ryoi Ohashi, Jushin Tei, Yukio Tanaka +2
Identifying the superconducting gap symmetry and topological signatures in the putative spin-triplet superconductor is an important issue. Especially, a smoking-gun…
Noise-Tolerance of Majorana Teleportation in Mesoscopic Topological Superconductors
Tsukasa Goto, Masayuki Sugeta, Takeshi Mizushima +1
We investigate teleportation interference associated with the non-local character of Majorana zero modes (MZMs) as a probe of MZMs focusing on the tolerance of teleportation agains…
Spin caloritronics as a probe of nonunitary superconductors
Taiki Matsushita, Takeshi Mizushima, Yusuke Masaki +2
Superconducting spintronics explores the interplay between superconductivity and magnetism, sparking significant interest in nonunitary superconductors as a platform for novel magn…
Imaging quantum interference in a monolayer Kitaev quantum spin liquid candidate
Y. Kohsaka, S. Akutagawa, S. Omachi +16
Single atomic defects are prominent windows to look into host quantum states because collective responses from the host states emerge as localized states around the defects. Friede…
Majorana modes in striped two-dimensional inhomogeneous topological superconductors
Pasquale Marra, Daisuke Inotani, Takeshi Mizushima +1
Majorana zero modes have gained significant interest due to their potential applications in topological quantum computing and in the realization of exotic quantum phases. These zer…
Pairing symmetries of multiple superconducting phases in UTe2: Competition between ferromagnetic and antiferromagnetic fluctuations
Jushin Tei, Takeshi Mizushima, Satoshi Fujimoto
The putative spin-triplet superconductor UTe2 exhibits multiple superconducting phases under applied pressure [D. Braithwaite et al., Commun. Phys. 2, 147 (2019)]. The clarificatio…