What shapes the loss landscape of self-supervised learning?
Liu Ziyin, Ekdeep Singh Lubana, Masahito Ueda, Hidenori Tanaka
To be published in International Conference on Learning Representations 2023 (ICLR 2023)
Universal properties of dissipative Tomonaga-Luttinger liquids: Case study of a non-Hermitian XXZ spin chain
Kazuki Yamamoto, Masaya Nakagawa, Masaki Tezuka, Masahito Ueda, and Norio Kawakami Rev. B 105, 205125 (2022)
Liouvillian Skin Effect: Slowing Down of Relaxation Processes without Gap Closing
Taiki Haga, Masaya Nakagawa, Ryusuke Hamazaki, and Masahito Ueda Phys. Rev. Lett. 127, 070402 (2021)
Collective Excitations and Nonequilibrium Phase Transition in Dissipative Fermionic Superfluids
Kazuki Yamamoto, Masaya Nakagawa, Naoto Tsuji, Masahito Ueda, and Norio Kawakami Phys. Rev. Lett. 127, 055301 (2021)
Noise and Fluctuation of Finite Learning Rate Stochastic Gradient Descent
Kangqiao Liu*, Liu Ziyin*, and Masahito Ueda
Proceedings of the 38th International Conference on Machine Learning, PMLR 139:7045-7056, 2021 (ICML 2021)
Intercomponent entanglement entropy and spectrum in binary Bose-Einstein condensates
Takumi Yoshino, Shunsuke Furukawa, and Masahito Ueda Phys. Rev. A 103, 043321 (2021)
Constructing neural stationary states for open quantum many-body systems
Nobuyuki Yoshioka and Ryusuke Hamazaki Phys. Rev. B99, 214306 (2019) [selected as Editors' Suggestion]
See also Viewpoint: Physics 12, 74 by Maria Schuld, Ilya Sinayskiy, and Francesco Petruccione
Random-matrix behavior of quantum nonintegrable many-body systems with Dyson's three symmetries
Ryusuke Hamazaki and Masahito Ueda Phys. Rev. E 99, 042116 (2019)
Flemish Strings of Magnetic Solitons and a Nonthermal Fixed Point in a One-Dimensional Antiferromagnetic Spin-1 Bose Gas
Kazuya Fujimoto, Ryusuke Hamazaki, and Masahito Ueda Phys. Rev. Lett. 122, 173001 (2019)
Second-Order Topological Phases in Non-Hermitian Systems
Tao Liu, Yu-Ran Zhang, Qing Ai, Zongping Gong, Kohei Kawabata, Masahito Ueda, and Franco Nori Phys. Rev. Lett. 122, 076801 (2019)
Topological unification of time-reversal and particle-hole symmetries in non-Hermitian physics
Kohei Kawabata, Sho Higashikawa, Zongping Gong, Yuto Ashida, and Masahito Ueda Nat. Commun. 10, 297 (2019) [selected as Editors' Highlights (Link)]
Collective modes of vortex lattices in two-component Bose–Einstein condensates under synthetic gauge fields
Takumi Yoshino, Shunsuke Furukawa, Sho Higashikawa, and Masahito Ueda New J. Phys. 21, 015001 (2019)
Topological Phases of Non-Hermitian Systems
Zongping Gong, Yuto Ashida, Kohei Kawabata, Kazuaki Takasan, Sho Higashikawa, and Masahito Ueda Phys. Rev. X 8, 031079 (2018)
See also Viewpoint: Physics 11, 96 by Miguel A. Bandres and Mordechai Segev
Bound on the exponential growth rate of out-of-time-ordered correlators
Naoto Tsuji, Tomohiro Shitara, and Masahito Ueda Phys. Rev. E98, 012216 (2018)
Variational principle for quantum impurity systems in and out of equilibrium: Application to Kondo problems
Yuto Ashida, Tao Shi, Mari Carmen Banuls, J. Ignacio Cirac and Eugene Demler Phys. Rev. B98, 024103 (2018),
Nonholonomy of order parameters and su(3) vortices in spin-1 Bose-Einstein condensates
Emi Yukawa and Masahito Ueda Phys. Rev. A 98, 013607
Solving Quantum Impurity Problems in and out of Equilibrium with the Variational Approach
Yuto Ashida, Tao Shi, Mari Carmen Banuls, J. Ignacio Cirac and Eugene Demler Phys. Rev. Lett.121, 026805 (2018).
Information-to-work conversion by Maxwell's demon in a superconducting circuit quantum electrodynamical system
Y. Masuyama, K. Funo, Y. Murashita, A. Noguchi, S. Kono, Y. Tabuchi, R. Yamazaki, M. Ueda, and Y. Nakamura Nat. Commun.9, 1291 (2018)
Quantum Szilard Engine with Attractively Interacting Bosons
J. Bengtsson, M. Nilsson Tengstrand, A. Wacker, P. Samuelsson, M. Ueda, H. Linke, and S. M. Reimann Phys. Rev. Lett.120, 100601 (2018)
Influence of topological constraints and topological excitations: Decomposition formulas for calculating homotopy groups of symmetry-broken phase"
Sho Higashikawa and Masahito Ueda Phys. Rev. B95, 134520 (2017)
Influence of topological constraints and topological excitations: Decomposition formulas for calculating homotopy groups of symmetry-broken phases
Sho Higashikawa and Masahito Ueda Phys. Rev.B 95, 134520 (2017)
Universal Work Fluctuations During Shortcuts to Adiabaticity by Counterdiabatic Driving
Ken Funo, Jing-Ning Zhang, Cyril Chatou, Kihwan Kim, Masahito Ueda, and Adolfo del Campo Phys. Rev. Lett.118, 100602 (2017)
Entanglement prethermalization in an interaction quench between two harmonic oscillators
Tatsuhiko N. Ikeda,Takashi Mori, Eriko Kaminishi,and Masahito Ueda Phys. Rev. E95, 022129 (2017)
Gauge-spin-space rotation invariant vortices in spin-orbit coupled Bose-Einstein condensates
Zhifang Xu, Shingo Kobayashi, and Masahito Ueda Phys. Rev. A 88, 013621 (2013)
Fluctuation-induced and symmetry-prohibited metastabilities in spinor Bose-Einstein condensates
Nguyen Thanh Phuc, Yuki Kawaguchi, and Masahito Ueda Physical Review A 88, 043629 (2013).
Simultaneous continuous measurement of photon-counting and homodyne detection on a free photon field: dynamics of state reduction and the mutual influence of measurement backaction
Yui Kuramochi, Yu Watanabe, and Masahito Ueda J. Phys. A: Math. Theor. 46, 425303 (2013).
Finite-size scaling analysis of the eigenstate thermalization hypothesis in a one-dimensional interacting Bose gas
Tatsuhiko N. Ikeda, Yu Watanabe, and Masahito Ueda Physical Review E 87, 012125 (2013).
Topological classification of vortex-core structures of spin-1 Bose-Einstein condensates
Shingo Kobayashi, Yuki Kawaguchi, Muneto Nitta, and Masahito Ueda Physical Review A 86, 023612 (2012).
Criteria of off-diagonal long-range order in Bose and Fermi systems based on the Lee-Yang cluster expansion method
Naoyuki Sakumichi, Norio Kawakami and Masahito Ueda Physical Review A 85, 043601 (2012).
Abe homotopy classification of topological excitations under the topological influence of vortices
Shingo Kobayashi, Michikazu Kobayashi, Yuki Kawaguchi, Muneto Nitta, and Masahito Ueda Nuclear Physics B 856, 577 (2012).
Measurement of an Efimov Trimer Binding Energy in a Three-Component Mixture of 6Li
Shuta Nakajima, Munekazu Horikoshi, Takashi Mukaiyama, Pascal Naidon, and Masahito Ueda Phys. Rev. Lett. 106, 143201 (2011).