Search Results - "KUMADA, N"

Fractionalized wave packets from an artificial Tomonaga–Luttinger liquid by Kamata, H., Kumada, N., Hashisaka, M., Muraki, K., Fujisawa, T.

“…The model of interacting fermion systems in one dimension known as a Tomonaga–Luttinger liquid (TLL) 1 , 2 provides a simple and exactly solvable theoretical…”
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Unraveling the Spin Polarization of the ν = 5/2 Fractional Quantum Hall State by Tiemann, L., Gamez, G., Kumada, N., Muraki, K.

“…The fractional quantum Hall (FQH) effect at filling factor ν = 5/2 has recently come under close scrutiny, as its ground state may possess quasi-particle…”
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Quantum Hall Valley Splitters and a Tunable Mach-Zehnder Interferometer in Graphene by Jo, M, Brasseur, P, Assouline, A, Fleury, G, Sim, H-S, Watanabe, K, Taniguchi, T, Dumnernpanich, W, Roche, P, Glattli, D C, Kumada, N, Parmentier, F D, Roulleau, P

“…Graphene is a very promising test bed for the field of electron quantum optics. However, a fully tunable and coherent electronic beam splitter is still…”
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Shot noise generated by graphene p–n junctions in the quantum Hall effect regime by Kumada, N., Parmentier, F. D., Hibino, H., Glattli, D. C., Roulleau, P.

“…Graphene offers a unique system to investigate transport of Dirac Fermions at p – n junctions. In a magnetic field, combination of quantum Hall physics and the…”
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Hydrothermal synthesis and crystal structure of new red phosphors, KNaMF7:Mn4+ (M: Nb, Ta) by Kumada, N., Yanagida, S., Takei, T., Hong, B.

“…[Display omitted] •New alkali niobium and tantalum fluorides, KNaMF7 (M: Nb, Ta), are prepared by hydrothermal reaction.•The crystal structures are formed by…”
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Scaling behavior of electron decoherence in a graphene Mach-Zehnder interferometer by Jo, M., Lee, June-Young M., Assouline, A., Brasseur, P., Watanabe, K., Taniguchi, T., Roche, P., Glattli, D. C., Kumada, N., Parmentier, F. D., Sim, H. -S., Roulleau, P.

“…Over the past 20 years, many efforts have been made to understand and control decoherence in 2D electron systems. In particular, several types of electronic…”
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Excitonic nature of magnons in a quantum Hall ferromagnet by Assouline, A., Jo, M., Brasseur, P., Watanabe, K., Taniguchi, T., Jolicoeur, Th, Glattli, D. C., Kumada, N., Roche, P., Parmentier, F. D., Roulleau, P.

“…Magnons enable the transfer of a magnetic moment or spin over macroscopic distances. In quantum Hall ferromagnets, it has been predicted 1 that spin and charge…”
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Disordered ground state and magnetic field-induced long-range order in an S=3/2 antiferromagnetic honeycomb lattice compound Bi3Mn4O12(NO3) by Matsuda, M, Azuma, M, Tokunaga, M, Shimakawa, Y, Kumada, N

“…Bi3Mn4O12(NO3), in which the Mn4+ ions carry S=3/2, is the first honeycomb lattice system that shows no long-range magnetic order. Using neutron scattering, we…”
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Emission and coherent control of Levitons in graphene by Assouline, A, Pugliese, L, Chakraborti, H, Lee, Seunghun, Bernabeu, L, Jo, M, Watanabe, K, Taniguchi, T, Glattli, D C, Kumada, N, Sim, H-S, Parmentier, F D, Roulleau, P

“…Flying qubits encode quantum information in propagating modes instead of stationary discrete states. Although photonic flying qubits are available, the weak…”
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Resonant edge magnetoplasmons and their decay in graphene by Kumada, N, Roulleau, P, Roche, B, Hashisaka, M, Hibino, H, Petković, I, Glattli, D C

“…We investigate resonant edge magnetoplasmons (EMPs) and their decay in graphene by high-frequency electronic measurements. From EMP resonances in disk shaped…”
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Observation of Bogoliubov excitations in exciton-polariton condensates by Utsunomiya, S, Yamamoto, Y, Tian, L, Roumpos, G, Lai, C. W, Kumada, N, Fujisawa, T, Kuwata-Gonokami, M, Löffler, A, Höfling, S, Forchel, A

“…Einstein's 1925 paper predicted the occurrence of Bose-Einstein condensation (BEC) in an ideal gas of non-interacting bosonic particles. However,…”
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Coherent zero-state and π-state in an exciton-polariton condensate array by LAI, C. W, KIM, N. Y, YAMAMOTO, Y, UTSUNOMIYA, S, ROUMPOS, G, DENG, H, FRASER, M. D, BYRNES, T, RECHER, P, KUMADA, N, FUJISAWA, T

“…The effect of quantum statistics in quantum gases and liquids results in observable collective properties among many-particle systems. One prime example is…”
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Time-resolved measurement of ambipolar edge magnetoplasmon transport in InAs/InGaSb composite quantum wells by Kamata, H., Irie, H., Kumada, N., Muraki, K.

“…Time-resolved charge transport measurement for one-dimensional edge states is a powerful means for investigating nonequilibrium charge dynamics and underlying…”
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Time-resolved counterpropagating edge transport in the topological insulating phase by Kamata, H., Irie, H., Sasaki, S., Kumada, N., Muraki, K.

“…We have investigated the time-resolved low-energy charge dynamics in counterpropagating edge channels formed in the quantum Hall regime of an electron-hole…”
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Density functional theory study of a new Bi-based (K1.00)(Ba1.00)3(Bi0.89Na0.11)4O12 double perovskite superconductor by Rubel, Mirza H.K., Hadi, M.A., Rahaman, M.M., Ali, M.S., Aftabuzzaman, M., Parvin, R., Islam, A.K.M.A., Kumada, N.

“…Fermi surface of (K1.00)(Ba1.00)3(Bi0.89Na0.11)4O12 double perovskite. [Display omitted] •We employ DFT calculations to explore the properties of…”
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Plasmon transport in graphene investigated by time-resolved electrical measurements by Kumada, N., Tanabe, S., Hibino, H., Kamata, H., Hashisaka, M., Muraki, K., Fujisawa, T.

“…Plasmons, which are collective charge oscillations, could provide a means of confining electromagnetic field to nanoscale structures. Recently, plasmonics…”
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Experience of Lymphangiography as a Therapeutic Tool for Lymphatic Leakage After Kidney Transplantation by Iwai, T., Uchida, J., Matsuoka, Y., Kosoku, A., Shimada, H., Nishide, S., Kabei, K., Kuwabara, N., Yamamoto, A., Naganuma, T., Hamuro, M., Kumada, N., Takemoto, Y., Nakatani, T.

“…Lymphatic leakage after kidney transplantation is a relatively frequent complication but sometimes resistant to treatment, and there is no fixed treatment…”
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Newly synthesized A-site ordered cubic-perovskite superconductor (Ba0.54K0.46)4Bi4O12: A DFT investigation by Rubel, M.H.K., Mitro, S.K., Mondal, B.K., Rahaman, M.M., Saiduzzaman, Md, Hossain, J., Islam, A.K.M.A., Kumada, N.

“…•Various physical properties of the newly discovered superconductor (Ba0.54K0.46)4Bi4O12 are studied.•Comparisons made with two recently discovered Bi-based…”
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Quantum Hall effect in epitaxial graphene with permanent magnets by Parmentier, F. D., Cazimajou, T., Sekine, Y., Hibino, H., Irie, H., Glattli, D. C., Kumada, N., Roulleau, P.

“…We have observed the well-kown quantum Hall effect (QHE) in epitaxial graphene grown on silicon carbide (SiC) by using, for the first time, only commercial…”
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NMR evidence for spin canting in a bilayer nu=2 quantum hall system by Kumada, N, Muraki, K, Hirayama, Y

“…We investigate the electron spin states in the bilayer quantum Hall system at total Landau level filling factor nu=2 exploiting current-pumped and resistively…”
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