Yasuhiro Hatsugai

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University of Tsukuba

Japan

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About

Yasuhiro Hatsugai is a Professor at the University of Tsukuba, Japan. His research interests focus on topological photonics, eigenvalue equations, and the properties of quantum systems. Recent articles authored by Professor Hatsugai explore topics such as topological surface states, exceptional points in non-Hermitian systems, and quantized Berry phases in lattice models.

Recent Grants

Grant: Close

Variety and universality of bulk-edge correspondence in topological phases: From solid state physics to transdisciplinary concepts

Open Date: 2017-05-31

Close Date: 2022-03-31

Grant: Close

Diversity and universality of bulk-edge correspondence: cross-disciplinary concept beyond solid state physics

Open Date: 2017-04-01

Close Date: 2020-03-31

Grant: Close

四元数のトポロジカル相での意義の解明への挑戦：多体問題と時間反転の破れ

Open Date: 2016-04-01

Close Date: 2019-03-31

Grant: Close

Variety and universality of bulk-edge correspondence in topological phases: From solid state physics to cold atoms

Open Date: 2014-04-01

Close Date: 2017-03-31

Grant: Close

Geometrical phases by Majorana representation and topological order parameters

Open Date: 2013-04-01

Close Date: 2015-03-31

Articles (19)

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2023

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2022

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University of Tsukuba

JAPAN

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Yasuhiro Hatsugai

Research Interests

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About

Recent Grants

Articles (19)

Topological Surface States on Three-Dimensional Photonic Structures with Weyl Points

Topological Photonics of Generalized and Nonlinear Eigenvalue Equations

Band structures of generalized eigenvalue equations and conic sections

Exceptional points and non-Hermitian skin effects under nonlinearity of eigenvalues

Topological Properties of Four-qubit Entangled Phases on the Breathing Pyrochlore Lattice

Hidden chiral symmetry for the kagome lattice and its analogs

Quantized Berry Phase in the Spin-1/2 XXZ Model on the Anisotropic Kagome Lattice

Blocking particle dynamics in a diamond chain with spatially increasing flux

Bulk-Edge Correspondence for Nonlinear Eigenvalue Problems

Higher-order topological heat conduction on a lattice for detection of corner states

Z2×Z2 symmetry and Z4 Berry phase of bosonic ladders

Topological pump of SU(Q) quantum chain and Diophantine equation

Higher-Order Topological Insulator on a Martini Lattice and Its Square Root Descendant

Unconventional gapless semiconductor in an extended martini lattice in covalent honeycomb materials

Molecular-orbital representation with random U(1) variables

Fate of exceptional points under interactions: Reduction of topological classifications

Reduction of one-dimensional non-Hermitian point-gap topology by interactions

Adiabatic continuity of the spinful quantum Hall states

Observation of bulk-edge correspondence in topological pumping based on a tunable electric circuit

Collaborators (6)

Susumu Okada

Satoshi Iwamoto

Tetsuya Ueda

Tohru Kawarabayashi

Tsuneya Yoshida

Tomonari Mizoguchi

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