ISSP - The institute for Solid State Physics

Lab & Organization
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List of Laboratories
Division of Condensed Matter Science
Research Subjects
  1. Dynamics and quantum phase transitions in low dimensional or frustrated spin systems
  2. Exotic superconductors
  3. Ordering and fluctuations of charge, orbital, and multipoles in strongly correlated electron systems
  4. Novel orders in spin-orbit coupled electron systems
Research Subjects
  1. Magnetism and superconductivity in heavy electron systems
  2. Multipole orderings and fluctuations in f electron systems
  3. Magnetization of geometrically frustrated magnets
  4. Ground state properties of quantum spin systems
Research Subjects
  1. Development and studies of structural and physical properties for novel organic (super)conductors and proton conductors based upon molecular degree of freedom
  2. Development and studies of structural and physical properties for electron-proton coupled molecular functional materials
  3. Studies of responses by external stimuli (magnetic and electric fields, temperature, pressure) for molecular materials
  4. Study of organic field effect transistor
Research Subjects
  1. Topological properties of an organic Dirac semimetal
  2. Electronic structure and quantum transport in atomic layers and their van der Waals stacks
  3. Quantum transport phenomena in layered topological materials
  4. Interlayer coherence and angle-dependent magnetotransport in layered conductors
  5. Magnetic-field-induced electronic phase transitions in thin-film graphite
Research Subjects
  1. Study of strongly correlated-electron systems at ultralow temperatures
  2. Study of exotic electronic states by scanning magnetic microscope
  3. Quantum spin liquid state in geometrically-frustrated magnets
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Division of Condensed Matter Theory
Research Subjects
  1. Electronic states of strongly correlated systems with d- or f-electrons
  2. Statistical physics of frustrated systems
  3. Theory of novel phases in quantum magnets
  4. Unconventional superconductivity in strongly correlated electron systems
Research Subjects
  1. Quantum transport phenomena in mesoscopic systems
  2. Properties of interacting electron systems
  3. Non-equilibrium statistical mechanics and spintronics
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Division of Nanoscale Science
Research Subjects
  1. Quantum transport in charge and spin freedoms
  2. Study of many-body effects in quantum structures
  3. Physics at interfaces between the phases with different symmetries
Research Subjects
  1. Mechanisms of pure spin current generation and detection
  2. Magnetic phase transition by using spin current
  3. Spin-to-charge current conversion in the interface of topological insulator
  4. Molecular spintronics
  5. Spin injection into superconductor from ferromagnet
Research Subjects
  1. Electronic states, magnetism and electron scattering of atomic layers and nano-structured materials at surfaces
  2. Formation processes of atomic layers and nano-structured materials at surfaces
  3. Electron and atom dynamics induced by electron tunneling and photo-excitation
Research Subjects
  1. Exploration of peculiar superconducting / topological states using low-temperature STM
  2. Nanoscale measurements of magnetic resonances by SP-STM with microwave
  3. Real-space distribution of spin currents by spin-polarized scanning potentiometry
Research Subjects
  1. Growth of thin oxide films and heterostructures by pulsed laser deposition
  2. Development of oxide photoelectrode materials for photocatalytic water splitting
  3. Polar oxides and multiferroic coupling
  4. Synthesis of nanostructures and nanocomposite thin films
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Functional Materials Group
Research Subjects
  1. Activation and surface reaction of small molecules by model catalysts
  2. Properties and reactions with hydrogen at surfaces and interfaces (Hydrogenomics)
  3. Electronic states and surface conductivity of semiconductor and organic thin film
  4. Electronic states and reactivity of low-dimensional materials on surfaces
  5. Dynamical processes of atoms and molecules on solid surfaces
Research Subjects
  1. Device physics of gain-switched semiconductor lasers and solar cells
  2. Many-body interactions and non-equilibrium properties of low-dimensional electron-hole systems in clean semiconductor quantum wires and wells
  3. Material physics and development of high-quality semiconductor nano-structures via microscopy
  4. Bioluminescence of firefly, jelly fish, sea firefly, etc. and bio/chemiluminescence measurement standards
Research Subjects
  1. Structure of electrode-electrolyte interface and mechanism of energy transfer
  2. Development of first-principles many-body Green’s function method
  3. First-principles prediction of oxygen solid at high pressure and under strong magnetic field
  4. Elucidation of bioluminescence of a firefly
Research Subjects
  1. Functional and spectroscopic study on the mechanism of molecular function of photoreceptive membrane protein, rhodopsins
  2. Application of advanced spectroscopic measurement method for biomolecular study
  3. Exploration of novel photoreceptive proteins through use of genome big data
  4. Machine-learning study on the determining factor for the function of biological molecules and its application for the development of novel functional molecules
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Quantum Materials Group
Research Subjects
  1. Electron Spin Resonance in quantum spin systems and itinerant electron systems
  2. Conduction at a junction of quantum wires and conformal field theory
  3. Topological phases and quantum entanglement
  4. Orbital angular momentum of chiral superfluids
  5. Realization of topological phases and topological phenomena in materials
Research Subjects
  1. Quantum transport phenomena in Weyl magnets and their applications for spintronics
  2. Search for novel topological magnets and their application for energy harvesting
  3. Search for novel topological phases and superconductors
Research Subjects
  1. X-ray spectroscopy to reveal mechanism for spintronics devices
  2. Increase in performance of spintronics device at room temperature by interface engineering
  3. Spintronics devices with Weyl magnetic materials
  4. Brain-inspired computing using spin-dynamics
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Materials Design and Characterization Laboratory
Research Subjects
  1. Search for new materials realizing quantum spin systems or strongly correlated electron systems
  2. Ground state of the spin-1/2 kagome lattice antiferromagnet
  3. High-Tc superconductors
Research Subjects
  1. Search for novel quantum phases and quantum transitions
  2. Numerical methods for many-body physics
  3. General theory of critical phenomena
  4. Disordered systems and computational complexity
Research Subjects
  1. Search for new physical phenomena under multi extreme conditions
  2. Study of the pressure induced phase transition phenomena as like superconductivity
  3. Development of high pressure apparatus and confirmation of physical property measurement techniques under the multi extreme conditions
Research Subjects
  1. Development of efficient methods and algorithms for first-principles electronic structure calculations
  2. First-principles calculations of two-dimensional novel structures
  3. Development of first-principles methods for X-ray spectroscopies
  4. First-principles calculations of superconducting critical temperature
  5. Development of the OpenMX software package
Research Subjects
  1. Shape transformation of cells and lipid vesicles
  2. Dynamics of complex fluids
  3. Fracture of polymer materials
  4. Simulation methods of hydrodynamics
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Neutron Scienbce Laboratory
Research Subjects
  1. Fabrication of ergodic gel and its structure analysis
  2. Development of 3-dimensional DNA architecture and its structure analysis
  3. Structural analyses of polyelectrolyte gel with ideal polymer network
  4. Investigation of dynamics and mechanical properties of module thermoresponsive gel near the phase transition point
Research Subjects
  1. Dynamics of disordered condensed systems, such as glass transitions and boson peaks
  2. Structure and dynamics of water and related materials such as hydrated porous crystals
  3. Thermal and dynamical properties of ionic liquids
  4. Structural and dynamical properties of nanoparticles of hydrogen storage metals
Research Subjects
  1. Nontrivial excitation mode in frustrated magnet near quantum critical point
  2. Detection of spin wave spin current by neutron
  3. Local control of spin moment in multiferroics
  4. Search of spin liquid
  5. Observation of field induced nonreciprocal magnon
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International MegaGauss Science Laboratory
Research Subjects
  1. Study on magnetism of quantum spin systems
  2. Study on magnetism and conductivity of strongly correlated electron systems
  3. Development of non-destructive 100 T-magnet
  4. Development of ultra-long pulse magnet
Research Subjects
  1. Field-induced transitions in multiferroic materials
  2. Electronic phase transitions in the quantum limit state
  3. High-speed polarizing microscope imaging in pulsed-high magnetic fields
  4. High-field study of topological materials
Research Subjects
  1. Magnetic-field-induced insulator-metal transition
  2. Ultrahigh-magnetic-field magnetization process of quantum spin systems
  3. Electronic state of heavy fermion and valence fluctuating systems at ultrahigh magnetic fields
  4. Magnetic-field-induced structural phase transition in solid oxygen
  5. Properties of matters with strong spin-lattice coupling in high magnetic fields
Research Subjects
  1. Magneto-optical measurements with laser optics and its application to ultra-high magnetic field science
  2. NMR measurement under pulsed fields and its application to frustrated magnetic materials
  3. Development of new devise with Nanofabrication process
  4. Observation of Quantum Oscillation in Ultra-high magnetic fields and fermiology of topological insulators
  5. Development of new measurement devise with Nanofabrication technology
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Center of Computational Materials Science
Research Subjects
  1. Development and precise control of ultrashort pulse laser systems
  2. High-rep rate, high-field physics
  3. Astronomical, medical, and metrological application of the optical frequency comb
  4. Fundamental understanding on laser processing
Research Subjects
  1. Electronic structure analysis of aqueous solutions to study microheterogeneity and interaction at solid-liquid interfaces
  2. Development of in situ soft X-ray spectroscopy for surface reaction of fuel cell catalysts, electrochemical reaction, photocatalytic reaction and functionality of metalloproteins
  3. Study on the origin and observation of elementary excitations (crystal field excitation, spinon, magnon, charge density wave, orbiton etc.) in strongly correlated materials like Mott insulators and novel high temperature superconductors.
  4. Basic study on ultrahigh energy resolution optics for soft X-ray emission and time-resolved spectroscopy
Research Subjects
  1. Developments of time-resolved soft X-ray spectroscopy and researches on surface dynamics
  2. Dirac Fermions in monatomic layers, studied by advanced soft x-ray spectroscopy
  3. Development of time-resolved experiments using ultra-short soft X-ray pulses and researches on ultrafast spin dynamics
Research Subjects
  1. Development of intense ultrashort-pulse lasers
  2. Attosecond physics
  3. Ultrafast spectroscopy and coherent control of photo-induced dynamics in atoms, molecules, and solids
  4. Soft-X-ray ultrafast spectroscopy of molecules and solid
Research Subjects
  1. Development of a laser-excited ARPES system with ultra-high energy resolution
  2. Superconductivity and topological quantum phase investigated by angle-, spin-, and time-resolved photoemission spectroscopy
  3. Strongly correlated physics studied by photoemission with synchrotron radiation
Research Subjects
  1. Development of intense, phase-locked terahertz-mid infrared pulse generation and detection
  2. Study of collective excitations and response functions in superconductivity and antiferromagnetism
  3. Nonequilibrium dynamics of many-body systems driven by strong light field
Research Subjects
  1. Development of a time-resolved photoemission apparatus utilizing high harmonic generation from a ultrashort-pulse laser
  2. Mechanisms of electron relaxation from photo-excited states and light-induced superconductivity
  3. Mechanisms of unconventional superconductivities by ultralow temperature and ultrahigh resolution laser-based angle-resolved photoemission spectroscopy
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