Publications FY2012 (Heisei 24)｜研究成果｜対称性の破れた凝縮系におけるトポロジカル量子現象

◯ A01
◯ B01
◯ C01
◯ D01-D04

■ Acknowledgements

本領域の研究費によって得られた成果を出版される際には、以下の例文にありますような謝辞をお願いいたします。スペースが許す限り、なるべく（１）でお願いします。
ただし以下で課題番号は、A01: 22103002, B01: 22103003, C01: 22103004, D01: 22103005, 公募研究: 231035XX, etc.です。

(1)This work was supported by the "Topological Quantum Phenomena" (No. 22103002) Grant-in Aid for Scientific Research on Innovative Areas from the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan.

(2)This work was supported by the "Topological Quantum Phenomena" (No. 22103002) KAKENHI on Innovative Areas from MEXT of Japan.

(3)This work was supported by the MEXT KAKENHI (No. 22103002).

■ FY2012 (Heisei 24)

Core Research Group A01

015: "Bulk-boundary correspondence in Josephson junctions"
Jeongmin Yoo, T. Habe, Y. Asano,
Physica E 55, 48-54 (Mar. 2013).

014: "Majorana fermions and odd-frequency Cooper pairs in a normal-metal nanowireproximity-coupled to a topological superconductor"
Y. Asano, Y. Tanaka, ,
Physical Review B 87, 104513-1-10 (Mar. 2013).

013: "Determining the Surface-To-Bulk Progression in the Normal-State Electronic Structure of Sr₂RuO₄ by Angle-Resolved Photoemission and Density Functional Theory"
C.N. Veenstra, Z.-H. Zhu, B. Ludbrook, M. Capsoni, G. Levy, A. Nicolaou, J. A. Rosen, R. Comin, S. Kittaka, Y. Maeno, I. S. Elfimov, A. Damascelli,
Physical Review Letters 110, 097004-1-5 (Mar. 2013).

012: "Majorana fermions and odd-frequency Cooper pairs in a normal-metal nanowireproximity-coupled to a topological superconductor"
Y. Asano, Y. Tanaka,
Physical Review B 87, 104513(1)-(10) (Mar. 2013).

011: "First-Order Superconducting Transition of Sr₂RuO₄"
S. Yonezawa, T. Kajikawa, Y. Maeno,
Physical Review Letters 110, 077003-1-5 (Feb. 2013).

010: "Magnetic-Field Modulation of the Josephson Effect between URu₂Si₂ and Al"
A. Sumiyama, K. Hikawa, J. Gouchi, G. Motoyama, A. Yamaguchi, T. Honma, E. Yamamoto, Y. Haga, Y. Ōnuki,
Journal of the Physical Society of Japan 82, 025005-1-2 (Jan. 2013).

009: "Large spin-orbit splitting and weakly anisotropic superconductivity revealed with single-crystalline noncentrosymmetric CaIrSi₃"
G. Eguchi, H. Wadati, T. Sugiyama, E. Ikenaga, S. Yonezawa, Y. Maeno,
Physical Review B 86, 184510-1-7 (Nov. 2012).

008: "Fabrication of SQUIDs with Nb/Ru/Sr₂RuO₄junctions"
R. Ishiguro, M. Yakabe, T. Nakamura, E. Watanabe, D. Tsuya, H. Oosato, Y. Maeno, H. Takayanagi, ,
Journal of Physics: Conference Series Volume 400, 022035-1-5 (Dec. 2012).

007: "Superconductivity in La₃Pt₄"
Y. Kawashima, G. Eguchi, S. Yonezawa, Y. Maeno,
Journal of the Physical Society of Japan 81, 125001-1-2 (Nov. 2012).

006: "High-Supercurrent-Density Contacts and Josephson Effect of Strontium Ruthenate"
K. Saitoh, S. Kashiwaya, H. Kashiwaya, M. Koyanagi, Y. Mawatari, Y. Tanaka, Y. Maeno,
Applied Physics Express 5, 113101-1-5 (Oct. 2012).

005: "Measurement of the Josephson Effect of Heavy-Fermion Superconductor UPt₃as a Test of the Odd-Parity Order Parameter"
J. Gouchi, A. Sumiyama, G. Motoyama, A. Yamaguchi, N. Kimura, E. Yamamoto, Y. Haga, Y. Onuki,
Journal of the Physical Society of Japan 81, 113701-1-4 (Oct. 2012).

004: "Anomalous surface impedance in a normal-metal/superconductor junctionwith a spin-active interface"
Y. Asano, M. Ozaki, T. Habe, A.A. Golubov, Y. Tanaka,
Physical Review B 86, 024510-1-8 (Jul. 2012).

003: "Pressure Study of the Noncentrosymmetric 5d-ElectronSuperconductors CaMSi₃ (M = Ir, Pt)"
G. Eguchi, F. Kneidinger, L. Salamakha, S. Yonezawa, Y. Maeno, E. Bauer,
Journal of the Physical Society of Japan 81, 074711-1-4 (Jun. 2012).

002: "Interface metallic states between a topological insulator and a ferromagnetic insulator"
T. Habe, Y. Asano,
Physical Review B 85, 95325-1-8 (May. 2012).

001: "Essential Configuration of Pb/Ru/Sr₂RuO₄ Junctions ExhibitingAnomalous Superconducting Interference"
T. Nakamura, T. Sumi, S. Yonezawa, T. Terashima, M. Sigrist, H. Kaneyasu, Y. Maeno,
Journal of the Physical Society of Japan 81, 064708-1-6 (May. 2012).

Core Research Group B01

009: "Anomalous sound absorption of nite amplitude sound in liquid ⁴He"
K. Obara, Y. Kimura, A. Fukui, C. Kato, Y. Nago, H. Yano, O. Ishikawa, T. Hata,
Journal of Physics: Conference Series 400, 012570-1-4 (Dec. 2012).

008: "Generation and detection of vortex rings in superfluid ⁴He at very low temperature"
H. Yano, A. Nishijima, S. Yamamoto, T. Ogawa, Y. Nago, K. Obara, O. Ishikawa, M. Tsubota, T. Hata,
Journal of Physics: Conference Series 400, 012085-1-5 (Dec. 2012).

007: "Tachyon Condensation Due to Domain-Wall Annihilation in Bose-Einstein Condensates"
H. Takeuchi, K. Kasamatsu, M. Tsubota, M. Nitta,
Physical Review Letters 109, 245301-1-5 (Dec. 2012).

006: "Drag Force on a High Porosity Aerogel in Liquid ³He"
H. Takeuchi, S. Higashitani, K. Nagai,
Journal of Physics: Conference Series 400, 012071-1-5 (Dec. 2012).

005: "Half-Quantum Vortices in Thin Film of Superfluid ³He"
K. Kondo, T. Ohmi, M. Nakahara, T. Kawakami, Y. Tsutsumi, K. Machida,
Journal of the Physical Society of Japan 81, 104603-1-5 (Sep. 2012).

004: "Impurity Effect on Frequency Dependent Superconductivity: Odd-Frequency"
Y. Yoshioka, K. Miyake,
Journal of the Physical Society of Japan 81, 093702 -1-4 (Aug. 2012).

003: "Surface Andreev bound states of superfluid ³He and Majorana fermions"
Y. Okuda*, R. Nomura,
Journal of Physics: Condensed Matter 24, 343201-1-19 (Aug.2012).

002: "Knudsen-to-Hydrodynamic Crossover in Liquid ³He in a High-Porosity Aerogel"
H. Takeuchi, S. Higashitani, K. Nagai, H. C. Choi, B. H. Moon, N. Masuhara, M.W. Meisel, and Y. Lee, N. Mulders,
Physical Review Letters 108, 225307-1-5 (Jun. 2012).

001: "Creating vortons and three-dimensional skyrmions from domain-wall annihilation with stretchedvortices in Bose-Einstein condensates"
M. Nitta, K. Kasamatsu, M. Tsubota, H. Takeuchi,
Physical Review A 85, 053639-1-11 (May. 12).

Core Research Group C01

012: "The Mott State and Superconductivity in Face-Centred Cubic Structured Cs₃C₆₀:A ¹³³Cs-Nuclear Magnetic Resonance Study under Pressure"
Shinji Kawasaki, Junji Fukui, Takeshi Motoyama, Yuta Suzuki, Seiji Shibasaki, Guo-qing Zheng,
Journal of the Physical Society of Japan 82, 014709-1-6 (Dec. 2012).

011: "Manipulation of Topological States and the Bulk Band Gap Using Natural Heterostructuresof a Topological Insulator"
K. Nakayama, K. Eto, Y. Tanaka, T. Sato, S. Souma, T. Takahashi, K. Segawa, Y. Ando,
Physical Review Letters 109, 236804-1-5 (Dec. 2012).

010: "Abrupt enhancement of noncentrosymmetry and appearance of a spin-triplet superconducting state in Li₂(Pd_1-xPt_x)₃B beyond x=0.8"
S. Harada, J. J. Zhou, Y. G. Yao, Y. Inada, G.-q. Zheng,
Physical Review B 86, 220502-1-5 (Dec. 2012).

009: "Spin Polarization of Gapped Dirac Surface States Near the Topological PhaseTransition in TlBi(S_1-xSe_x)₂"
S. Souma, M. Komatsu, M. Nomura, T. Sato, A. Takayama, T. Takahashi, K. Eto, K. Segawa, Y. Ando,
Physical Review Letters 109, 186804-1-5 (Nov. 2012).

008: "Odd-Parity Pairing and Topological Superconductivity in a Strongly Spin-OrbitCoupled Semiconductor"
S. Sasaki, Z. Ren, A. A. Taskin, K. Segawa, L. Fu, Y. Ando,
Physical Review Letters 109, 217004-1-5 (Nov. 2012).

007: "Anomalous suppression of the superfluid density in the Cu_xBi₂Se₃ superconductor upon progressiveCu intercalation"
M. Kriener, K. Segawa, S. Sasaki, Y. Ando,
Physical Review B 86, 180505-1-5 (Nov. 2012).

006: "Microscopic coexistence of antiferromagnetic order and superconductivity in Ba_0.77K_0.23Fe₂As₂"
Z. Li, R. Zhou, Y. Liu, D. L. Sun, J. Yang, C. T. Lin, G.-q. Zheng,
Physical Review B 86, 180501-1-4 (Nov. 2012).

005: "Experimental realization of a topologicalcrystalline insulator in SnTe"
Y. Tanaka, Z. Ren, T. Sato, K. Nakayama, S. Souma, T. Takahashi, K. Segawa, Y. Ando,
Nature Physics (Advanced Online Publication) , Online (Sep. 2012).

004: "Manifestation of Topological Protection in Transport Properties of Epitaxial Bi₂Se₃ Thin Films"
A. A. Taskin, S. Sasaki, K. Segawa, Y. Ando,
Physical Review Letters 109, 066803-1-5 (Aug. 2012).

003: "Achieving Surface Quantum Oscillations in TopologicalInsulator Thin Films of Bi ₂ Se ₃"
A. A. Taskin, S. Sasaki, K. Segawa, Y. Ando,
Advanced Materials , Online (Aug. 2012).

002: "Ambipolar transport in bulk crystals of a topological insulator by gating with ionic liquid"
K. Segawa, Z. Ren, S. Sasaki, T. Tsuda, S. Kuwabata, Y. Ando,
Physical Review B 86, 075306-1-7 (Aug. 2012).

001: "Fermi level tuning and a large activation gap achieved in the topological insulator Bi₂Te₂Se by Sn doping"
Z. Ren, A.A. Taskin, S. Sasaki, K. Segawa, Y. Ando,
Physical Review B 85, 155301-1-6 (Apr. 2012).

Core Research Group D01

050: "Self-Consistent Multiple Complex-Kink Solutions in Bogoliubov-de Gennesand Chiral Gross-Neveu Systems"
D. A. Takahashi, M. Nitta,
Physical Review Letters 110, 131601-1-5 (Mar. 2013).

049: "Matryoshka Skyrmions"
M. Nitta,
Nuclear Physics B 872, 62-71 (Mar. 2013).

048: "Instantons confined by monopole strings"
M. Nitta,
Physical Review D 87, 066008-1-6 (Mar. 2013).

047: "Brane realization of Nambu monopoles and electroweak strings"
M. Eto, K. Konishi, M. Nitta, Y. Ookouchi,
Physical Review D 87, 045006-1-12 (Feb. 2013).

046: "Finite-size scaling analysis of the eigenstate thermalization hypothesis in a one-dimensional interacting Bose gas"
T. N. Ikeda, Y. Watanabe, M. Ueda,
Physical Review E 87, 012125-1-5 (Jan. 2013).

045: "Correspondence between Skyrmions in 2 + 1 and 3 + 1 dimensions"
M. Nitta,
Physical Review D 87, 025013-1-8 (Jan. 2013).

044: "Finite-size energy gap in weak and strong topological insulators"
K. Imura, M. Okamoto, Y. Yoshimura, Y. Takane, T. Ohtsuki,
Physical Review B 86, 245436-1-15 (Dec. 2012).

043: "Josephson vortices and the Atiyah-Manton construction"
M. Nitta,
Physical Review D 86, 125004-1-6 (Dec. 2012).

042: "Colorful boojums at the interface of a color superconductor"
M. Cipriani, W. Vinci, M. Nitta,
Physical Review D 86, 121704(R)-1-6 (Dec. 2012).

041: "Hydrodynamic description of spin-1 Bose-Einstein condensates"
E. Yukawa, M. Ueda,
Physical Review A 86, 063614-1-11 (Dec. 2012).

040: "Crossover trimers connecting continuous and discrete scaling regimes"
S. Endo, P. Naidon, M. Ueda,
Physical Review A 86, 062703-1-14 (Dec. 2012).

039: "Z₂ Topological Anderson Insulator"
A. Yamakage, K. Nomura, K. Imura, Y. Kuramoto,
Journal of Physics: Conference Series 400, 042070-1-4 (Dec. 2012).

038: "Topological insulator "nanotubes""
K. Imura, Y. Takane, A. Tanaka,
Journal of Physics: Conference Series 400, 042021-1-4 (Dec. 2012).

037: "Spherical topological insulator"
K. Imura, Y. Yoshimura, Y. Takane, T. Fukui,
Physical Review B 86, 235119-1-12 (Dec. 2012).

036: "Fluctuation Theorem with Information Exchange: Role of Correlations in Stochastic Thermodynamics"
T. Sagawa, M. Ueda,
Physical Review Letters 109, 180602-1-5 (Nov. 2012).

035: "Symmetry Protected Topological Order and Spin Susceptibility in Superfluid ³He-B"
T. Mizushima, M. Sato, K. Machida,
Physical Review Letters 109, 165301-1-5 (Oct. 2012).

034: "Spontaneous magnetization through non-Abelian vortex formation in rotating dense quark matter"
W. Vinci, M. Cipriani, M. Nitta,
Physical Review D 86, 085018-1-14 (Oct. 2012).

033: "Fermionic solutions of chiral Gross-Neveu and Bogoliubov-de Gennes systemsin nonlinear Schrodinger hierarchy"
D. A. Takahashi, S. Tsuchiya, R. Yoshii, M. Nitta,
Physics Letters B 718, 632-637 (Oct. 2012).

032: "Tachyon Condensation and Brane Annihilation in Bose-Einstein Condensates: Spontaneous Symmetry Breaking in Restricted Lower-Dimensional Subspace"
H. Takeuchi, K. Kasamatsu, M. Tsubota, M. Nitta,
Journal of Low Temprature Physics 171, 443-454-1-12 (Oct. 2012).

031: "Beliaev theory of spinor Bose-Einstein condensates"
N. T. Phuc, Y. Kawaguchi, M. Ueda,
Annals of Physics 328, 158-219 (Oct. 2012).

030: "Spin-current absorption by inhomogeneous spin-orbit coupling"
K. Tsutsui, K. Hosono, T. Yokoyama,
Physical Review B 86, 155210-1-12 (Oct. 2012).

029: "Superfluid ³He in a restricted geometry with a perpendicular magnetic field"
T. Mizushima,
Physical Review B 86, 094518-1-17 (Sep. 2012).

028: "Supersymmetry breaking on gauged non-Abelian vortices"
K. Konishi, M. Nitta, W. Vincia,
Journal of High Energy Physics 9, 014-1-24 (Sep. 2012).

027: "Symmetry classification of spin-orbit-coupled spinor Bose-Einstein condensates"
Z. F. Xu, Y. Kawaguchi, L. You, M. Ueda,
Physical Review A 86, 033628-1-8 (Sep. 2012).

026: "Quantum Hall states in rapidly rotating two-component Bose gases"
S. Furukawa, M. Ueda,
Physical Review A 86, 031604-1-4 (Sep. 2012).

025: "Ground-state phase diagram of a spin-1/2frustrated ferromagnetic XXZ chain:Haldane dimer phase and gapped/gapless chiral phases"
S. Furukawa, M. Sato, S. Onoda, A. Furusaki,
Physical Review B 86, 094417-1-19 (Sep. 2012).

024: "Odd-frequency Cooper-pair amplitude around a vortex core in a chiral p-wave superconductor in the quantum limit"
T. Daino, M. Ichioka, T. Mizushima, Y. Tanaka,
Physical Review B 86, 064512-1-6 (Aug. 2012).

023: "Anisotropic Optical Response of Dense Quark Matter under Rotation: Compact Stars as Cosmic Polarizers"
Y. Hirono, M. Nitta,
Physical Review Letters 109, 062501-1-4 (Aug. 2012).

022: "Spinor Bose-Einstein condensates"
Y. Kawaguchi, M. Ueda,
Physics Reports 520, 253-381 (Aug. 2012).

021: "Josephson and proximity effects on the surface of a topological insulator"
T. Yokoyama,
Physical Review B 86, 075410-1-6 (Aug. 2012).

020: "Quasiclassical Theory of the Josephson Effect in Ballistic Graphene Junctions"
Y. Takane, K. Imura,
Journal of the Physical Society of Japan 81, 094707-1-13 (Aug. 2012).

019: "Dirac Electrons on a Sharply Edged Surface of Topological Insulators"
Y. Takane, K. Imura,
Journal of the Physical Society of Japan 81, 093705-1-4 (Aug. 2012).

018: "Topological classification of vortex-core structures of spin-1 Bose-Einstein condensates"
S. Kobayashi, Y. Kawaguchi, M. Nitta, M. Ueda,
Physical Review A 86, 023612-1-14 (Aug. 2012).

017: "Non-abelian vortex-string dynamicsfrom nonlinear realization"
L. X. Liu, M. Nitta,
International Journal of Modern Physics A 27, 1250097-1-24 (Jul. 2012).

016: "Baryonic Bound State of Vortices in Multicomponent Superconductors"
M. Nitta, M. Eto, T. Fujimori, K. Ohashi,
Journal of the Physical Society of Japan 81, 084711-1-5 (Jul. 2012).

015: "Non-Abelian statistics of vortices with multiple Majorana fermions"
Y. Hirono, S. Yasui, K. Itakura, M. Nitta,
Physical Review B 86, 014508-1-9 (Jul. 2012).

014: "Higher Derivative Corrections toNon-Abelian Vortex Effective Theory"
M. Eto, T. Fujimori, M. Nitta, K. Ohashi,
Progress of Theoretical Physics 128, 67-103 (Jul. 2012).

013: "Stable Skyrmions in SU(2) Gauged Bose-Einstein Condensates"
T. Kawakami, T. Mizushima, M. Nitta, K. Machida,
Physical Review Letters 109, 015301-1-5 (Jul. 2012).

012: "Knots from wall-antiwall annihilations with stretched strings"
M. Nitta,
Physical Review D 85, 121701(R)-1-5 (Jun. 2012).

011: "Vortex counting from field theory"
T. Fujimori, T. Kimura, M. Nitta, K. Ohashi,
Journal of High Energy Physics 6, 028-1-19 (Jun. 2012).

010: "Symmetry of superconducting pairing state in a staggered field"
K. Shigeta, S. Onari, Y. Tanaka,
Physical Review 85, 224509-1-13 (Jun. 2012).

009: "Quantum Limiting Behaviors of a Vortex Corein an Anisotropic Gap Superconductor"
S. Kaneko, K. Matsuba, M. Hafiz, K. Yamasaki, E. Kakizaki, N. Nishida, H. Takeya, K. Hirata, T. Kawakami, T. Mizushima, K. Machida,
Journal of the Physical Society of Japan 81, 063701-1-4 (May. 2012).

008: "Creating vortons and three-dimensional skyrmions from domain-wall annihilation with stretched vortices in Bose-Einstein condensates"
M. Nitta, K. Kasamatsu, M. Tsubota, H. Takeuchi,
Physical Review A 85, 053639-1-11 (May. 2012).

007: "Defect formation from higher-dimensional defect-antidefect annihilations"
M. Nitta,
Physical Review D 85, 101702(R)-1-4 (May. 2012).

006: "Vortex trimer in three-component Bose-Einstein condensates"
M. Eto, M. Nitta,
Physical Review A 85, 053645-1-6 (May. 2012).

005: "Finite-temperature phase diagram of a spin-1 Bose gas"
Y. Kawaguchi, N. T. Phuc, P. B. Blakie,
Physical Review A 85, 053611-1-11 (May. 2012).

004: "Theory of tunneling conductance and surface-state transition in superconductingtopological insulators"
A. Yamakage, K. Yada, M. Sato, Y. Tanaka,
Physical Review B 85, 180509-1-5 (May. 2012).

003: "Decomposing instantons in two dimensions"
M. Nitta, W. Vinci,
Journal of Physics A: Mathematical and Theoretical 45, 175401-1-23 (Apr. 2012).

002: "Criteria of off-diagonal long-range order in Bose and Fermi systems based on the Lee-Yang cluster expansion method"
N.Sakumichi, N. Kawakami, M. Ueda,
Physical Review A 85, 043601-1-19 (Apr. 2012).

001: "Decomposing instantons in two dimensions"
M. Nitta, W. Vinci,
Journal of Physics A: Mathematical and Theoretical 45, 1-23 (Apr. 2012).