ISSP - The institute for Solid State Physics

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Labs by Department
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. Spin and charge dynamics in magnetic organic conductors
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. Development and studies of structural and physical properties for novel metal complexes whose magnetism and conductivity are competitive
  4. Studies of responses by external stimuli (light, magnetic and electric fields, temperature, pressure) for molecular materials
Research Subjects
  1. Electronic structure and quantum transport in atomic layers (graphene, phosphorene, etc.)
  2. Helical surface state in quantum Hall ferromagnetic phase in an organic Dirac fermion system
  3. Quantum transport of chiral surface state in multilayer quantum Hall systems
  4. Interlayer coherence and angle-dependent magnetotransport in layered conductors
  5. Chaos and electron transport in Bloch electron systems under magnetic and electronic fields
Research Subjects
  1. Study of strongly correlated-electron systems at ultra-low temperautures
  2. Developments of ultra-low temperature cryostats and the precision measurement systems
  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. Transport properties in mesoscopic systems
  2. Theory of quantum transport in interacting electron systems
  3. Fundamental theory of non-equilibrium statistical mechanics and quantum measurement
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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. Spin injection into organic materials
  5. Spin injection into superconductor from ferromagnet
Research Subjects
  1. Electronic states, conduction and magnetism of atomic layers and nano-structured materials at surfaces
  2. Electron and atom dynamics induced by electron tunneling and photo-excitation
  3. Formation processes of atomic layers and nano-structured materials at surfaces
Research Subjects
  1. Superconductivity in local area using low-temperature scanning tunneling microscopy
  2. Fabrication of spin systems by atomic manipulation and their characterization with SP-STM
  3. Local electronic states, superconductivity, and magnetic properties of heavy-Fermion materials
  4. Nano-scalel distribution of potential and spin current by scanning tunneling 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. Dynamical processes of atoms and molecules on solid surfaces
  3. Electronic states and surface conductivity of semiconductor and organic thin film
  4. Electronic states and reactivity of low-dimensional materials on surfaces
  5. Chemical reaction on solid surfaces under ambient conditions
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. First-principles calculation of excited states based on GW + Bethe-Salpeter equation
  2. Accurate wave function theory based on antisymmetrized germinal power
  3. First-principles calculation of electrochemical interface
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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. Exotic superconductivity and anomalous metallic states near quantum phase transitions
  2. Macroscopic topological effects in magnetic metals
  3. Novel magnetism and quantum spin liquids in frustrated magnets
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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 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. Shape transformation of cells and lipid vesicles
  2. Fusion and fission of biomembranes
  3. Dynamics of membranes out of equilibrium
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Neutron Scienbce Laboratory
Research Subjects
  1. Structure and physical properties of uniform polymer gels
  2. Development of ion gels and structural characterization
  3. Structure formation and rheological properties of multi-arm surfactant assemblies in aqueous solutions
  4. Structural analyses and molecular dynamics simulation of thermoset polymers
Research Subjects
  1. Neutron scattering study of metal-insulator transition, magnetic ordering, charge/orbital orderings in transition-metal oxides
  2. Neutron scattering study of spin sturucture and dynamics in noncentrosymmetric magnetic superconductors
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 room-temperature ionic liquids
  4. Thermal and dynamical properties of hydrogen storage solids
Research Subjects
  1. Magnetic structure and excitations in frustrated magnets and quantum magnets
  2. Multiferroics
  3. Magnetic excitation in supercrystal of oxygen molecule in nanoporous metal complex
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International MegaGauss Science Laboratory
Research Subjects
  1. Technical developments for ultra-high magnetic field magnets above 100 T and for solid-state physics measurements
  2. Magneto-optics in ultra-high magnetic fields
  3. Magnetization processes of magnetic materials and the critical magnetic field in superconducting materials in ultra-high magnetic fields
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. Electronic state of heavy fermion and valence fluctuating systems at ultrahigh magnetic fields
  2. Ultrahigh-magnetic-field magnetization process of quantum spin systems
  3. Study of magnetic field-induced phase transition at ultrahigh magnetic fields using magnetic birefringence
  4. Magnetic field-induced structural phase transition in solid oxygen
  5. Magnetic field-induced insulator-metal transition in molecular conductors
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Center of Computational Materials Science
Research Subjects
  1. First-principles electronic structure calculation
  2. Computational materials design (CMD)
  3. KKR Green's function method and its applications
  4. Magnetism and development of new permanent magnets
Research Subjects
  1. Development of efficient methods and algorithms for first-principles electronic structure calculations
  2. Development of first-principles electronic transport calculations
  3. First-principles calculations of two-dimensional Si structures
  4. Development of first-principles methods of core-level binding energies in solids
  5. Development of the OpenMX software package
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Laser and Synchrotron Research Center
Research Subjects
  1. Ultra-high resolution laser-photoemission study on the superconductors and the low dimensional materials
  2. Time-resolved laser-photoemission study on the photo-induced phenomena
  3. Laser photoelectron microscopy on the electronic states of nanomaterials
Research Subjects
  1. Developments of time-resolved soft X-ray spectroscopy and researches on surface dynamics
  2. Electronic structures of metal and semiconductor surfaces studied by means of photoelectron spectroscopy
  3. Development of time-resolved experiments using ultra-short soft X-ray pulses and researches on ultrafast spin dynamics
Research Subjects
  1. Development and precise control of ultrashort pulse laser system
  2. High-rep rate, high-field physics
  3. Precision spectroscopy
  4. Astronomical, medical, and metrological application of the optical frequency comb
  5. Fundamental understanding on laser processing
Research Subjects
  1. Development of intense ultrashort-pulse lasers
  2. Attosecond physics
  3. Observation and coherent control of ultrafast phenomena using strong optical fields
  4. Soft-X-ray ultrafast spectroscopy of solids
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. Resonant soft x-ray diffraction study of ordered states in strongly correlated electron systems
  2. Development of time-resolved resonant soft x-ray diffraction systems
  3. Development of novel spectroscopic techniques by using soft x-rays
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 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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