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)
2022年
Embedding the Yang-Lee quantum criticality in open quantum systems
Norifumi Matsumoto, Masaya Nakagawa, and Masahito Ueda Phys. Rev. Research 4, 033250 (2022)
Three learning stages and accuracy-efficiency tradeoff of restricted Boltzmann machines
Lennart Dabelow and Masahito Ueda Nat. Commun. 13, 5474 (2022)
Eigenstate Thermalization in Long-Range Interacting Systems
Shoki Sugimoto, Ryusuke Hamazaki, and Masahito Ueda Phys. Rev. Lett. 129, 030602 (2022)
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)
Vortex lattices in binary Bose-Einstein condensates: Collective modes, quantum fluctuations, and intercomponent entanglement
Takumi Yoshino, Shunsuke Furukawa, and Masahito Ueda J. Phys. B: At. Mol. Opt. Phys. 55, 105302 (2022)
Entropy production of a closed Hamiltonian system via the detailed fluctuation relation
Yûto Murashita, Naoto Kura, and Masahito Ueda Phys. Rev. Research 3, 033224 (2021)
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)
Test of Eigenstate Thermalization Hypothesis Based on Local Random Matrix Theory
Shoki Sugimoto, Ryusuke Hamazaki, and Masahito Ueda Phys. Rev. Lett. 126, 120602 (2021)
Exact Liouvillian Spectrum of a One-Dimensional Dissipative Hubbard Model
Masaya Nakagawa, Norio Kawakami, and Masahito Ueda Phys. Rev. Lett. 126, 110404 (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)
Few-body states of bosons interacting with a heavy quantum impurity
Shuhei M. Yoshida, Zhe-Yu Shi, Jesper Levinsen, and Meera M. Parish Phys. Rev. A98, 062705 (2018)
Impurity-Induced Multibody Resonances in a Bose Gas
Zhe-Yu Shi, Shuhei M. Yoshida, Meera M. Parish, and Jesper Levinsen Phys. Rev. Lett.121, 243401 (2018)
Non-Hermitian Kondo Effect in Ultracold Alkaline-Earth Atoms
Masaya Nakagawa, Norio Kawakami, and Masahito Ueda Phys. Rev. Lett.121, 203001 (2018)
Anomalous helical edge states in a non-Hermitian Chern insulator
Kohei Kawabata, Ken Shiozaki, and Masahito Ueda Phys. Rev. B98, 165148 (2018)
Thermalization and Heating Dynamics in Open Generic Many-Body Systems
Yuto Ashida, Keiji Saito, and Masahito Ueda Phys. Rev. Lett.121, 170402 (2018)
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).
Full-Counting Many-Particle Dynamics: Nonlocal and Chiral Propagation of Correlations
Yuto Ashida and Masahito Ueda Phys. Rev. Lett.120, 185301 (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)
Unconventional Universality Class of One-Dimensional Isolated Coarsening Dynamics in a Spinor Bose Gas
Kazuya Fujimoto, Ryusuke Hamazaki, Masahito Ueda Phys. Rev. Lett.120, 073002 (2018)
Universality of an Impurity in a Bose-Einstein Condensate
Shuhei M. Yoshida, Shimpei Endo, Jesper Levinsen, and Meera M. Parish Phys. Rev. X8, 011024 (2018)
Discrete Time-Crystalline Order in Cavity and Circuit QED Systems
Zongping Gong, Ryusuke Hamazaki, and Masahito Ueda Phys. Rev. Lett.120, 040404 (2018)
Entanglement prethermalization in the Tomonaga-Luttinger model
Eriko Kaminishi, Takashi Mori, Tatsuhiko N. Ikeda, and Masahito Ueda Phys. Rev. A97, 013622 (2018)
Finite-error metrological bounds on multiparameter Hamiltonian estimation
Naoto Kura and Masahito Ueda Phys. Rev. A97, 012101 (2018)
2017年
Quantum Hall phase diagram of two-component Bose gases: Intercomponent entanglement and pseudopotentials
Shunsuke Furukawa and Masahito Ueda Phys. Rev. A96, 053626 (2017)
Information Retrieval and Criticality in Parity-Time-Symmetric Systems
Kohei Kawabata, Yuto Ashida, and Masahito Ueda Phys. Rev. Lett. 119, 190401 (2017)
Fluctuation theorems in feedback-controlled open quantum systems: Quantum coherence and absolute irreversibility
Yûto Murashita, Zongping Gong, Yuto Ashida, and Masahito Ueda Phys. Rev. A96, 043840 (2017)
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)
Gibbs Paradox Revisited from the Fluctuation Theorem with Absolute Irreversibility
Yûto Murashita and Masahito Ueda Phys. Rev. Lett.118, 060601 (2017)
Exact out-of-time-ordered correlation functions for an interacting lattice fermion model
Naoto Tsuji, Philipp Werner, and Masahito Ueda Phys. Rev. A 95, 011601(R) (2017)
2016年
Emergent Electromagnetic Induction and Adiabatic Charge Pumping in Noncentrosymmetric Weyl Semimetals
Hiroaki Ishizuka, Tomoya Hayata, Masahito Ueda, and Naoto Nagaosa Phys. Rev. Lett.117, 216601 (2016)
Determining the continuous family of quantum Fisher information from linear-response theory
Tomohiro Shitara and Masahito Ueda Phys. Rev. A94, 062316 (2016)
Topological origin of universal few-body clusters in Efimov physics
Yusuke Horinouchi and Masahito Ueda Phys. Rev. A94, 050702(R) (2016)
Quantum critical behavior influenced by measurement backaction in ultracold gases
Yuto Ashida, Shunsuke Furukawa, and Masahito Ueda Phys. Rev. A94, 053615 (2016)
p -wave contact tensor: Universal properties of axisymmetry-broken p-wave Fermi gases
Shuhei M. Yoshida and Masahito Ueda Phys. Rev. A 94, 033611 (2016)
μ -symmetry breaking: An algebraic approach to finding mean fields of quantum many-body systems
Sho Higashikawa and Masahito Ueda Phys. Rev.A 94, 013613 (2016)
Quantum-trajectory thermodynamics with discrete feedback control
Zongping Gong, Yuto Ashida, and Masahito Ueda Phys. Rev.A 94, 012107 (2016)
Trade-off relation between information and disturbance in quantum measurement
Tomohiro Shitara, Yui Kuramochi and Masahito Ueda Phys. Rev. A 93, 032134 (2016)
Generalized Gibbs ensemble in a nonintegrable system with an extensive number of local symmetries
Ryusuke Hamazaki, Tatsuhiko N. Ikeda and Masahito Ueda Phys. Rev. E 93, 032116 (2016)
Precise multi-emitter localization method for fast super-resolution imaging
Yuto Ashida and Masahito Ueda Optics Letters 41,72-75(2016)
Entanglement pre-thermalization in a one-dimensional Bose gas
Eriko Kaminishi, Takashi Mori, Tatsuhiko N. Ikeda and Masahito Ueda Nature Physics 11, pp.1050-1056 (2015)
Excitation band topology and edge matter waves in Bose-Einstein condensates in optical lattices
Shunsuke Furukawa and Masahito Ueda New J. Phys.17,115014 (2015)
Universal High-Momentum Asymptote and Thermodynamic Relations in a Spinless Fermi Gas with a Resonant p-Wave Interaction
Shuhei M. Yoshida and Masahito Ueda Phys. Rev. Lett., 115,135303 (2015)
Controlling and probing non-abelian emergent gauge potentials in spinor Bose-Fermi mixtures
Nguyen Thanh Phuc, Gen Tatara, Yuki Kawaguchi and Masahito Ueda Nature Communications 6, 8135 (2015)
Diffraction-Unlimited Position Measurement of Ultracold Atoms in an Optical Lattice
Yuto Ashida and Masahito Ueda Phys. Rev. Lett.115, 095301 (2015)
How accurately can the microcanonical ensemble describe small isolated quantum systems?
Tatsuhiko N. Ikeda and Masahito Ueda Phys. Rev. E92, 020102 (2015)
Quantum nonequilibrium equalities with absolute irreversibility
Ken Funo, Yûto Murashita and Masahito Ueda New J. Phys.17, 075005 (2015)
Classicality condition on a system observable in a quantum measurement and a relative-entropy conservation law
Yui Kuramochi and Masahito Ueda Phys. Rev. A 91, 032110 (2015)
The second law of thermodynamics under unitary evolution and external operations
Tatsuhiko N. Ikeda, Naoyuki Sakumichi, Anatoli Polkovnikov, and Masahito Ueda Annals of Physics 354, 338-352 (2015)
Onset of a Limit Cycle and Universal Three-Body Parameter in Efimov Physics
Yusuke Horinouchi and Masahito Ueda Phys. Rev. Lett. 114, 025301 (2015)
2014年
Quantum Mass Acquisition in Spinor Bose-Einstein Condensates
Nguyen Thanh Phuc, Yuki Kawaguchi, Masahito Ueda Phys. Rev. Lett.113, 230401 (2014)
General achievable bound of extractable work under feedback control
Yuto Ashida, Ken Funo, Yûto Murashita and Masahito Ueda Phys. Rev.E90, 052125 (2014)
Nonequilibrium equalities in absolutely irreversible processes
Yûto Murashita, Ken Funo, and Masahito Ueda
Phys. Rev.E90C, 042110 (2014)
Global phase diagram of two-component Bose gases in antiparallel magnetic fields
Shunsuke Furukawa, Masahito Ueda
Phys. Rev. Lett.A90, 033602 (2014)
Microscopic Origin and Universality Classes of the Efimov Three-body Parameter
Pascal Naidon, Shimpei Endo, Masahito Ueda
Phys. Rev. Lett. 112, 105301 (2014)
Lee-Yang cluster expansion approach to the BCS-BEC crossover: BCS and BEC limits
Naoyuki Sakumichi, Yusuke Nishida, and Masahito Ueda Phys. Rev. A 89, 033622 (2014)
Topological influence and backaction between topological excitations
Shingo Kobayashi, Nicolas Tarantino and Masahito Ueda Phys. Rev.A 89, 033603 (2014)
Integral quantum fluctuation theorems under measurement and feedback control
Ken Funo, Yu Watanabe, and Masahito Ueda Phys. Rev. E 88, 052121 (2013)
Atomic spin-orbit coupling synthesized with magnetic-field-gradient pulses
Zhifang Xu, Li You, and Masahito Ueda Phys. Rev. A 87, 063634 (2013).
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).
Crossover trimers connecting continuous and discrete scaling regimes
Shimpei Endo, Pascal Naidon, and Masahito Ueda Physical Review A 86, 062703 (2012).
Symmetry classification of spin-orbit-coupled spinor Bose-Einstein condensates
Z. F. Xu, Y. Kawaguchi, L. You, and M. Ueda Physical Review A 86, 033628 (2012).
Fluctuation theorem with information exchange: Role of correlations in stochastic thermodynamics
Takahiro Sagawa and Masahito Ueda Phys. Rev. Lett. 109, 180602 (2012).
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).
Effects of thermal and quantum fluctuations on the phase diagram of a spin-1 87Rb Bose-Einstein condensate
Nguyen Thanh Phuc, Yuki Kawaguchi, and Masahito Ueda Physical Review A 84, 043645 (2011).
Uncertainty relation revisited from quantum estimation theory
Yu Watanabe, Takahiro Sagawa, and Masahito Ueda Physical Review A 84, 042121 (2011).
Eigenstate randomization hypothesis: Why does long-time average equal the microcanonical average?
Tatsuhiko N. Ikeda, Yu Watanabe, and Masahito Ueda Physical Review E 84, 021130 (2011).
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).