Zobrazeno 1 - 10
of 377
pro vyhledávání: '"Yanase, Youichi"'
Autor:
Nunchot, Naratip, Yanase, Youichi
Phase diagrams and electronic transport properties of the helical states in purely two-dimensional (2D) Rashba superconductors coupled with in-plane Zeeman fields are studied. The continuum XY action is derived microscopically by integrating out the
Externí odkaz:
http://arxiv.org/abs/2409.16930
Autor:
Nagata, Utane, Aoki, Motomi, Daido, Akito, Kasahara, Shigeru, Kasahara, Yuichi, Ohshima, Ryo, Ando, Yuichiro, Yanase, Youichi, Matsuda, Yuji, Shiraishi, Masashi
The superconducting diode effect (SDE), where zero-resistance states appear nonreciprocally during current injection, is receiving tremendous interest in both fundamental and applied physics because the SDE is a novel manifestation of symmetry breaki
Externí odkaz:
http://arxiv.org/abs/2409.01715
Autor:
Shimizu, Makoto, Yanase, Youichi
A heavy-fermion paramagnet UTe$_2$ has been a strong candidate for a spin-triplet superconductor. Experiments on \ute under pressure have been vigorously conducted, and rich phase diagrams have been suggested. Multiple superconducting phases exist in
Externí odkaz:
http://arxiv.org/abs/2408.04292
The superconducting properties of layered materials can be controlled by thinning, stacking, and twisting, demanding investigation of electronic states by spectroscopic means at the nanometer scale. Here, we reveal the spatial variations of the elect
Externí odkaz:
http://arxiv.org/abs/2405.14662
Autor:
Asano, Shun, Yanase, Youichi
The recent advent of artificial structures has triggered the emergence of fascinating phenomena that could not exist in natural compounds. A prime example is twisted multilayers, i.e., moir\'e superlattices represented by magic-angle twisted bilayer
Externí odkaz:
http://arxiv.org/abs/2405.14661
Thin-film multiphase superconductors are attracting much attention, and it is an important issue to propose how to detect them in experiments. In this work, we study the linear and nonlinear paraconductivity of a bilayer model with staggered Rashba-t
Externí odkaz:
http://arxiv.org/abs/2405.14350
Autor:
Minamide, Akihiro, Yanase, Youichi
Theory of the superconducting parity transition is extended by incorporating the vortex degree of freedom. We employ the bilayer Rashba model representing locally noncentrosymmetric layered superconductors and derive the Ginzburg-Landau free energy f
Externí odkaz:
http://arxiv.org/abs/2405.13507
Autor:
Watanabe, Hikaru, Yanase, Youichi
Publikováno v:
J. Phys.: Condens. Matter 36, 373001 (2024)
Parity-time-reversal symmetry ($\mathcal{PT}$ symmetry), a symmetry for the combined operations of space inversion ($\mathcal{P}$) and time reversal ($\mathcal{T}$), is a fundamental concept of physics and characterizes the functionality of materials
Externí odkaz:
http://arxiv.org/abs/2403.15680
Noncentrosymmetric superconductors offer fascinating phenomena of quantum transport and optics such as nonreciprocal and nonlinear responses. Time-reversal symmetry breaking often plays an essential role in the emergence and enhancement of nonrecipro
Externí odkaz:
http://arxiv.org/abs/2403.00494
Autor:
Nunchot, Naratip, Yanase, Youichi
Publikováno v:
Phys. Rev. B 109, 054508 (2024)
A two-component quasi-two-dimensional superconductor with Dzyaloshinsky-Moriya interaction is studied based on the Ginzburg-Landau and Bogoliubov-de Gennes theories. Under external in-plane magnetic fields, the order parameter of the superconducting
Externí odkaz:
http://arxiv.org/abs/2402.00317