平成26年度 1周目(2014年5月)
日付 | 当番 | 題材 |
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5/7 | 掛谷 | Optical Birefringence and Dichroism of Cuprate Superconductors in the THz Regime Phys. Rev. Lett. 112, 147001 – Published 9 April 2014 Y. Lubashevsky, LiDong Pan, T. Kirzhner, G. Koren, and N. P. Armitage |
5/8 | 神原 | Coherent Josephson qubit suitable for scalable quantum integrated circuits Phys. Rev. Lett. 111, 080502 (2013). R. Barends, et al. (Martinis group at UCSB)Superconducting quantum circuits at the surface code threshold for fault tolerance Nature 508, 500-503 (2014). R. Barends, et al. (Martinis group at UCSB) |
5/9 | 小森 | Structural and anisotropic transport properties of Hg1212 vicinal films J. Appl. Phys. 97, 013903 (2005). A. Ogawa, T. Sugano, H. Wakana, A. Kamitani, S. Adachi, Y. Tarutani, and K. Tanabe (International Superconductivity Technology Center) |
5/14 | 野村 | Switching current distributions and subgap structures of underdoped ( Hg , Re ) Ba 2 Ca 2 Cu 3 O 8 + intrinsic Josephson junctions Journal of Applied Physics 106, 074516 (2009). S. Ueda, T. Yamaguchi, Y. Kubo, S. Tsuda, Y. Takano, J. Shimoyama, and K. Kishio |
5/15 | 中川 | Numerical phase correction method for terahertz time-domain reflection spectroscopy J. Appl. Phys. 96, 4171 (2004). Erik M. Vartiainen, Yusuke Ino, Ryo Shimano, Makoto Kuwata-Gonokami, Yuri P. Svirko and Kai-Erik Peiponen |
5/16 | 鵜沢 | Quantitative assessment of pinning forces and magnetic penetration depth in NbN thin films from complementary magnetic force microscopy and transport measurements Phys. Rev. B. 83, 214517 (2011).T. Shapoval, H. Stopfel, S. Haindl, J. Engelmann, D. S. Inosov, B. Holzapfel, V. Neu, and L. Schultz |
5/21 | 吉岡 | YBCO grain boundary Josephson junction coupled with a slot dipole antenna for terahertz wave detectors J. Phys. Conf. Ser. 507 042048 (2014).H Yamada, T Hayasaka, G Toya, A Saito, S Ohshima and K Nakajima |
5/22 | 大岩 | Optically enhanced coherent transport in YBa2Cu3O6.5 by ultrafast redistribution of interlayer coupling Nature Materials (2014) W. Hu, S. Kaiser, D. Nicoletti, C. R. Hunt, I. Gierz, M. C. Hoffmann, M. Le Tacon, T. Loew, B. Keimer and A. Cavalleri |
5/23 | 岸本 | Intense terahertz emission from intrinsic Josephson junctions by external heat control Appl. Phys. Lett. 104, 112601 (2014), Hidehiro Asai and Shiro Kawabata. |
2013年度
平成25年度 1周目(2013年4月)
日付 | 当番 | 題材 |
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4/12 | 掛谷 | Imaging the Anisotropic Nonlinear Meissner Effect in Nodal YBa_{2}Cu_{3}O_{7-δ} Thin-Film Superconductors Author(s): Alexander P. Zhuravel, B. G. Ghamsari, C. Kurter, P. Jung, S. Remillard, J. Abrahams, A. V. Lukashenko, Alexey V. Ustinov, and Steven M. Anlage |
4/17 | 辻本 | Terahertz emission and detection both based on high-Tc superconductors: Towards an integrated receiverAuthor(s): , , , , , , , , , , , , , , , , , , , , , and |
4/18 | 神原 | Direct Transition from Quantum Escape to a Phase Diffusion Regime in YBaCuO Biepitaxial Josephson Junctions Author(s): Luigi Longobardi, Davide Massarotti, Daniela Stornaiuolo, Luca Galletti, Giacomo Rotoli, Floriana Lombardi, and Francesco Tafuri |
4/19 | 小森 | Direct High-pressure transport phenomena in polycrystalline (Pb(1+x)/2Cu(1-x)/2) Sr2(Y1-xCax)Cu2O7+δ Author(s): M. Kosuge, T. Maeda, K. Sakuyama, T. Miyatake, N. Koshizuka, and H. Yamauchi |
4/24 | 野村 | Switching dynamics and MQT in Bi2201 intrinsic Josephson junctionsAuthor(s) H. Kashiwaya , T. Matsumoto , H. Shibata , H. Eisaki , Y. Yoshida , S. Kawabata , Y. Tanaka , S. Kashiwaya |
4/25 | 亀井 | Quenching of phase coherence in quasi-one-dimensional ring crystalsAuthor(s) K.Shimatake Y.Toda S.Tanda |
4/26 | 前田 | Oxygen-loss effects on superconductivity of Bi2Sr2CaCu2Oy system Phys. Rev. B 43, 10445–10450 (1991) Author(s): M. Nagoshi, T. Suzuki, et. al. |
5/8 | 山口 | Enhancement of vortex pinning in superconductor/ferromagnet bilayers via angled demagnetizationAuthor(s) Marta Z. Cieplak, L. Y. Zhu, Z. Adamus, M. Kończykowski, and C. L. Chien |
5/9 | 中川 | Superconducting gap and pseudogap in near-optimally doped Bi2Sr2−xLaxCuO6+δ Author(s): J. K. Ren, Y. F. Wei, H. F. Yu, Ye Tian, Y. F. Ren, D. N. Zheng, and S. P. Zhao |
5/10 | 鵜沢 | Interferometer measurements of terahertz waves from Bi2Sr2CaCu2O8+d mesas Author(s): F Turkoglu1, H Koseoglu1, Y Demirhan, L Ozyuzer, S Preu, S Malzer, Y Simsek, P Müller, T Yamamoto and K Kadowaki |
5/15 | 吉岡 | Wide-band frequency-tunable terahertz and infrared detection with graphen Author(s); Yukio Kawano |
5/16 | 大岩 | Coupling to External Structures: Boundary Conditions for the Bi2212-based Superconducting THz Emitter
Author(s):H Minami, T Koike, N Orita, T Kashiwagi, M Tsujimoto, T Yamamoto and K Kadowaki |
5/17 | 岸本 | Anomalous Enhancement of the Coupling to the Magnetic Resonance Mode in Underdoped Pb-Bi2212Author(s): S.V. Borisenko, A. A. Kordyuk, T. K. Kim, A. Koitzsch, M. Knupfer, J. Fink, M. S. Golden, M. Eschrig,H. Berger, and R. Follath |
平成25年度 2周目(2013年5月)
平成25年度 3周目(2013年7月)
日付 | 当番 | 題材 |
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7/4 | 掛谷 | Interface-induced superconductivity and strain-dependent spin density waves in FeSe/SrTiO3 thin films –
Shiyong Tan, Yan Zhang, Miao Xia, Zirong Ye, Fei Chen, Xin Xie, Rui Peng, Difei Xu, Qin Fan, Haichao Xu, Juan Jiang, Tong Zhang, Xinchun Lai, Tao Xiang, Jiangping Hu, Binping Xie & Donglai Feng |
7/10 | 辻本 | Direct imaging of hot spots in Bi2Sr2CaCu2O8+δ mesa terahertz sourcesAuthor(s): T. M. Benseman, A. E. Koshelev, W.-K. Kwok, U. Welp, V. K. Vlasko-Vlasov, K. Kadowaki, H. Minami, and C. Watanabe |
7/11 | 神原 | Double Josephson Plasma Resonance in T* Phase SmLa1-xSrxCuO4-δ Author(s): H. Shibata and T. Yamada |
7/12 | 小森 | Josephson Effect in Hybrid Oxide Heterostructures with an Antiferromagnetic LayerAuthor(s): P. Komissinskiy, G. A. Ovsyannikov, I.V. Borisenko, Yu.V. Kislinskii, K.Y. Constantinian, A.V. Zaitsev, and D. Winkler |
7/26 | 前田 | An ultrafast terahertz scanning tunnelling microsAn ultrafast terahertz scanning tunnelling microscopecope
Author(s): T. L. Cocker, et. al., Nature photonics, (2013) |
7/30 | 亀井 | 複素屈折率は別の機会A Terahertz Time-Domain Polarization Spectrometer with High Angular Resolution and Its Application |
7/31 | 野村 | 明日の資料 |
8/1 | 山口 | Search for spin-polarization effects in La0.7Mn0.3Ca3O3/YBa2Cu3O7−δthin-film bilayersAuthor(s) X. Deng, M. Joshi, R. Chakalova, M. S. Colclough, R. Palai, Y. Y. Tse, I. P. Jones, H. Huhtinen, and C. M. Muirhead |
8/2 | 中川 | Review in terahertz spectral analysis |
8/7 | 吉岡 | Oxypnictide SmFeAs(O,F) superconductor: a candidate for high-field magnet applications |
平成25年度 4周目
日付 | 曜日 | 当番 | 題材 |
---|---|---|---|
11/6 | 水 | 掛谷 | Phase-resolved measurements of stimulated emission in a laser
Josef Kröll1, Juraj Darmo1, Sukhdeep S. Dhillon2,3, Xavier Marcadet4, Michel Calligaro4, Carlo Sirtori2 & Karl Unterrainer1 |
11/7 | 木 | 辻本 | Powerful terahertz emission from Bi2Sr2CaCu2O8+δ mesa arrays
T. M. Benseman, K. E. Gray, A. E. Koshelev, W.-K. Kwok, U. Welp, H. Minami, K. Kadowaki, and T. Yamamoto |
11/8 | 金 | 神原 | |
11/12 | 火 | 小森 | Intrinsic Josephson Effects in the Magnetic Superconductor RuSr2GdCu2O8
T. Nachtrab, D. Koelle, and R. Kleiner |
11/13 | 水 | 亀井 | Low-filling-factor superconducting single photon detector with high system detection efficiency
Taro Yamashita,Shigehito Miki,Hirotaka Terai,and Zhen Wang |
11/14 | 木 | 山口 | Absence of zero-energy surface bound states in CuxBi2Se3 studied via Andreev reflection spectroscopyAuthor(s) Haibing Peng, Debtanu De, Bing Lv, Fengyan Wei, and Ching-Wu Chu |
11/15 | 金 | 前田 | Continuous 30uW terahertz source by a high-T c superconductor mesa structure. S.Sekimoto, et. al. Appl. Phys. Lett. 103 (2013): 182601. |
11/19 | 火 | 野村 | Resolving the effects of frequency-dependent damping and quantum phase diffusion in YBa2Cu3O7−x Josephson junctions D. Stornaiuolo ,G. Rotoli ,D. Massarotti, F. Carillo, L. Longobardi, F. Beltram, and F. Tafuri |
11/20 | 水 | 岸本 | Geometrical Resonance Conditions for THz Radiation from the Intrinsic Josephson Junctions in Bi2Sr2CaCu2O8+δ Manabu Tsujimoto, Kazuhiro Yamaki, Kota Deguchi, Takashi Yamamoto, Takanari Kashiwagi, Hidetoshi Minami, Masashi Tachiki, and Kazuo Kadowaki |
11/21 | 木 | 吉岡 | Stimulated Emission and Amplification in Josephson Junction Arrays P. Barbara, A. B. Cawthorne, S. V. Shitov, and C. J. Lobb |
11/22 | 金 | 鵜沢 | Direct observation of the superconducting gap in a thin film of titanium nitride using terahertz spectroscopy Uwe S. Pracht,* Marc Scheffler, and Martin Dressel |
11/26 | 火 | 大岩 | Sharp trapped-mode resonances in planar metamaterials with a broken structural symmetry Fedotov V. A, Rose M, Prosvirnin S. L, Papasimakis N, Zheludev N. I. |
11/27 | 水 | 中川 | |
11/28 | 木 | ||
11/29 | 金 | ||
2012年度
1周目(2012年11月)
日付 | 当番 | 題材 |
---|---|---|
11/9 | 掛谷 | Real-time measurement of picosecond THz pulses by an ultra-fast YBa2Cu3O7−d detection system
P. Thoma, A. Scheuring, and M. Hofherr et al.
|
11/13 | 亀井 | Interferometer measurements of terahertz waves from Bi2Sr2CaCu2O8+d mesas |
11/14 | 小森 | Why is Tc of the oxide superconductors so low? |
11/15 | 神原 | Observation of Transition from Espace Dynamics to Underdamped Phase Diffusion in a Josephson Junction |
11/16 | 水田 | Linewidth dependence of coherent terahertz emission from Bi2Sr2CaCu2O8 intrinsic Josephson junction stacks in the hot-spot regime |
11/20 | 水野 | Effect of strong coupling on collective macroscopic quantum tunneling in intrinsic Josephson junctions |
11/21 | 平山 | Bolometric THz-to-IR converter for terahertz imaging |
11/22 | 野村 | Interlayer tunneling spectroscopy of Bi2Sr2CaCu2O8¿d : A look from inside on the doping phase diagram of high-Tc superconductors |
11/23 | 前田 | Mechanism of Terahertz Electromagnetic Wave Emission from Intrinsic Josephson JunctionsM. Tachiki, et al. – Phys. Rev. Lett. 102, 127002 (2009) |
11/27 | 山口 | Evidence for anisotropic triplet superconductor order parameter in half-metallic ferromagnetic La0.7Ca0.3Mn3O proximity coupled to superconducting Pr1.85Ce0.15CuO4Y. Kalcheim, et al. – Phys. Rev. B. 85, 104504 (2012) |
11/29 | 中川拓 | High-power terahertz electromagnetic wave emission from high-T c superconducting Bi 2 Sr 2 CaCu 2 O 8 + δ mesa structures |
11/30 | 中川裕 | Growth of large superconducting Bi2+xSr2−yCuO6+δ single crystals by travelling solvent floating zone method |
12/4 | 鹿浦 | Intrinsic Tunneling Spectra of Bi2(Sr2-xLax)CuO6+δ |
12/5 | 吉岡 | The Fabrication of THz Emitting Mesas by Reactive Ion-Beam Etching of Superconducting Bi2212 with Multilayer Masks |
12/6 | 松本 | Coexistence of Fermi arcs and Fermi pockets in a high-Tc copper oxide superconductor |
2周目(2012年12月)
日付 | 当番 | 題材 |
---|---|---|
12/7 | 掛谷 | Phase-resolved measurements of stimulated emission in a laser Josef Kröll, Juraj Darmo, Sukhdeep S. Dhillon, Xavier Marcadet, Michel Calligaro, Carlo Sirtori & Karl Unterrainer Nature 449, 698-701 (11 October 2007) |
12/11 | 神原 | Thermal activation in extremely underdamped Josephson junction circuitsM. Büttiker, E. P. Harris and R. Landauer, Phys. Rev. B 28, 1268-1275 (1983). |
12/12 | 小森 | New Pb-based 1212 Superconductor Containing Phosphorus,(Pb0.75P0.25)Sr2(Y1−xCax)Cu2Oz |
12/13 | 平山 | Stimulated Emission and Amplification in Josephson Junction Arrays P. Barbara, A. B. Cawthorne, S. V. Shitov*, and C. J. Lobb, Phys. Rev. Lett. 82, 1963–1966 (1999) . |
12/14 | 水田 | Synchronized operation of two serially connected Bi2212 THz emitters |
12/18 | 亀井 | Time-domain measurements of the sampling coherence of a quantum cascade laser |
12/19 | 水野 | Rabi Oscillations in a Large Josephson-Junction Qubit |
12/20 | 山口 | Magnetic proximity effect in perovskite superconductor/ferromagnet multilayers |
12/21 | 前田 | Influence of the ground plane structure on the radiation pattern of microstrip antennas
P Vaudon, et al. : Annales des télécommunications, 48, 319 (1993) |
12/25 | 野村 | Persistent electrical doping of Bi2Sr2CaCu2O8+x mesa structures |
12/26 | 中川裕 |
Optimization of the Bi-2201 superconductors with Pb and La co-doping |
12/27 | 吉岡 | Tunable terahertz emission from Bi2Sr2CaCu2O8+δ mesa devices |
1/8 | 鹿浦 | |
1/9 | 松本 | Quantum oscillations and the Fermi surface in an underdoped high-Tc superconductor |
1/10 | 中川拓 | Generation and Detection of THz Radiation Using Intrinsic Josephson Junctions |
3周目(2013年1月)
日付 | 当番 | 題材 |
---|---|---|
1/11 | 掛谷 | Quantum Terahertz Electrodynamics and Macroscopic Quantum Tunneling in Layered Superconductors Sergey Savel’ev, A. L. Rakhmanov, and Franco Nori Phys. Rev. Lett. 98, 077002 (2007) [4 pages] |
1/15 | 神原 | Thermally activated escape from the zero-voltage state in long Josephson junctions
M. G. Castellano, et al. Physical Review B 54, 15417 (1996). |
1/16 | 小森 | Influence of illumination on the properties of Bi2Sr2CaCu2O8+y bicrystal grain boundary junction |
1/17 | 平山 | Josephson-Vortex-Flow Terahertz Emission in Layered High-Tc Superconducting Single Crystals Myung-Ho Bae, Hu-Jong Lee, and Jae-Hyun Choi Phys. Rev. Lett. 98, 027002 (2007) [4 pages] |
1/18 | 亀井 | Terahertz fileters based on frequency selective surfaces for high-speed terahertz switch
Xiaoyu Zhang, et al. Journal of applied physics 113, 014504 (2013). Robust Thin-Film Wire-Grid THz Polarizer Fabricated Via a Low-Cost Approach |
1/22 | 水田 | An analysis of three dimensional radiation patterns from intrinsic Josephson junctions with hot spot |
1/23 | 水野 | Macroscopic quantum effects in capacitively- and inductively-coupled intrinsic Josephson junctions |
1/24 | 山口 | Coupling of superconductors through a half-metallic ferromagnet: Evidence for a long-range proximity effect |
1/25 | 中川裕 | A new aspect of single-layered cuprate superconductors — 90 K superconductors for Ca-doped Bi2Sr2CuO6+δ single crystals |
1/29 | 吉岡 | Alternating dynamic state self-generated by internal resonance in stacks of intrinsic Josephson junctions |
1/30 | 前田 | Coupling to External Structures: Boundary Conditions for the Bi2212-based Superconducting THz EmitterH Minami et al.: J. Phys.: Conf. Ser. 400 (2012) 022072 |
1/31 | 中川拓 | Fabrication process of intrinsic Josephson junction stacks in Bi2212 crystals by double-sided patterning process using dilute hydrochloric acid |
2/1 | 鹿浦 | |
2/5 | 野村 | Electronic inhomogeneity of heavily overdoped Bi2−xPbxSr2CuOy studied by low-temperature scanning tunneling microscopy/spectroscopy |
2/6 | 松本 | Visualization of the emergence of the pseudogap state and the evolution to superconductivity in a lightly hole-doped Mott insulator |