AIMR Workshop on Quantum Materials and Spintronics:
Spin, Topology and Superconductivity
Date: 11-12th July 2019.

Advanced Institute for Materials Research (AIMR),Tohoku UniversitySendai, Japan

This workshop is sponsored by AIMR (Tohoku University), and partially by Tohoku University-Tsinghua
University Collaborative Research Fund and MathAM-OIL (AIST) .

AIMR Workshop on Quantum Materials and Spintronics:
Spin, Topology and Superconductivity

Date: 11-12th July, 2019.
Location: 5th floor Combination Room and 1st floor Meeting Room, Advanced Institute for Materials
Research (AIMR), Tohoku University

Address: 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577 Japan
Phone: +81-22-217-5922 / FAX: +81-22-217-5129

SCIENTIFIC PROGRAM

Program: DAY 1 (11th July 2019)

LOCATION:

5F Combination Room, AIMR

14:05-14:15

Welcome Remarks by Yong P. Chen (Purdue University and AIMR, Tohoku University)

Session 1“Novel Topological States”

Session Chair: Andreas Dechant (AIMR, Tohoku University)

14:15-14:50

Takeshi Nakanishi, MathAM-OIL, AIST
“Hinge shape and electronic states in higher-order topological insulator”

14:50-15:10

Ryo Okugawa, AIMR, Tohoku University“Topological non-Hermitian nodal phases with parity-time and parity-particle-holesymmetries”

15:10-15:30

Yong P. Chen, Purdue University and AIMR, Tohoku University“Realization of a symmetry protected bosonic topological state in a synthetic space”[15 min break]Session 2“Topological Wave Transport”

Session Chair: Guanghui Cheng (AIMR, Tohoku University)

15:45-16:20

Qian Niu, Department of Physics, University of Texas at Austin“Towards a geometric theory of magnetization dynamics”

16:20-16:40

Max Lein, AIMR, Tohoku University“Topological origin of electromagnetic waves at interfaces between two media”

16:40-17:00

Koji Sato, IMR, Tohoku University“Krein-Schrödinger formalism for topological classification of magnonic BdG systems”

Program: DAY 2 (12th July 2019)
Session 3

LOCATION:

1F Meeting Room, AIMR

“Topological Insulators and Superconductors”

Session Chair: Hiroshi Idzuchi (AIMR, Tohoku University)

9:00-9:35

Katsumi Tanigaki, AIMR and Department of Physics, Tohoku University"High Quality Single Crystal Thin Films of Three-Dimensional Topological Insulators andApplications"

9:35-10:10

Takafumi Sato, AIMR and Department of Physics, Tohoku University"Search for topological superconductivity through band-structure engineering”10:10-10:30

Takuya Aoyama, Department of Physics, Tohoku University“Fe-based ladder materials”[15 min break]Session 4“Topological Superconductors and Majoranas”

Session Chair: Koji Sato (IMR, Tohoku University)

10:45-11:20

Tetsuo Hanaguri, CEMS, RIKEN“Zero-energy vortex bound state in Fe(Se,Te) and its relevance to the Majorana zeromode”

11:20-11:40

Kosuke Nakayama, Department of Physics, Tohoku University"Possible topological superconductivity in a hybrid of non-superconducting Bi2Te3 andFeTe"

11:40-12:00

Yong P. Chen, Purdue University and AIMR, Tohoku University“Topological Josephson Junction”

12:00-12:20

Chen-Hsuan Hsu, CEMS , RIKEN“Majorana Kramers pairs in higher-order topological insulators”[Lunch break]Session 5“Novel Topological States and Materials”

Session Chair: Stephane Yu Matsushita (Department of Physics, Tohoku University)

13:30-13:50

Seigo Souma, CSRN and AIMR, Tohoku University"New topological phases protected by ΘТ symmetry"

13:50-14:10

Khuong Kim Huynh, AIMR, Tohoku University"Negative and positive magnetoresistance in the itinerant antiferromagnet BaMn2Pn2(Pn = P, As, Sb, and Bi) with PT symmetry"

14:10-14:30

Xing-Chen Pan, AIMR, Tohoku University"Tuning band structure and Fermi surface in Tungsten ditelluride"[15 min break]Session 6“Novel Spin Systems”

Session Chair: Akichika Kumatani (AIMR, Tohoku University)

14:45-15:05

Hiroshi Idzuchi, AIMR, Tohoku University"Hetero-interface effect in two-dimensional van der Waals Ferromagent andSuperconductor"

15:05-15:25

Yoshinori Imai, Department of Physics, Tohoku University"Hydrated alkali metal intercalation into Kitaev spin liquid candidate material α-RuCl3"

15:25-15:45

Jana Lustikova, CSIS, Tohoku University"Vortex rectenna powered by environmental fluctuations"

Joint Session with Friday Tea Time in AIMR

16:00-17:00

LOCATION:

5F Combination Room, AIMR

Tea Time Talk by Prof. Qian Niu, Department of Physics, University of Texas at Austin"Topology and Geometry of Bloch Electrons"