Relevant bibliographies by topics / Hans Josephsohn

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  2. Dissertations / Theses
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  5. Conference papers

Academic literature on the topic 'Hans Josephsohn'

Author: Grafiati
Published: 27 July 2024
Last updated: 31 July 2025

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Journal articles on the topic "Hans Josephsohn"

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KAWABATA, SHIRO, та YASUHIRO ASANO. "NUMERICAL STUDY OF π-JUNCTION USING SPIN FILTERING BARRIERS". International Journal of Modern Physics B 23, № 20n21 (2009): 4320–28. http://dx.doi.org/10.1142/s021797920906347x.

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We numerically investigate the Josephson transport through ferromagnetic insulators (FIs) by taking into account its band structure. By use of the recursive Green's function method, we found the formation of the π junction in the case of the fully spin-polarized FI (FPFI), e.g., La 2 BaCuO 5. Moreover, the 0-π transition is induced by increasing the thickness of FPFI. On the other hand, Josephson current through the Eu chalcogenides shows the π junction behavior in the case of the strong d-f hybridization between the conduction d and the localized f electrons of Eu . Such FI-based Josephson ju
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IRIE, AKINOBU, SHOICHI KANEKO, and GIN-ICHIRO OYA. "JOSEPHSON VORTEX FLOW IN Bi2Sr2CaCu2Oy INTRINSIC JOSEPHSON JUNCTIONS." International Journal of Modern Physics B 13, no. 29n31 (1999): 3678–81. http://dx.doi.org/10.1142/s0217979299003659.

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We have studied the vortex dynamics in intrinsic Josephson junctions in mesa-shaped Bi 2 Sr 2 CaCu 2 O y single crystals. By applying magnetic fields parallel to the copper oxide layers of the junctions, Josephson vortex-flow branches were observed in addition to multiple resistive branches on the I–V characteristics. From the field dependence of the maximum flow voltage, the flow velocity of the vortices was estimated to be ~3×106 m/s at 4.2 K, which is close to that of the highest-velocity mode of the electromagnetic wave in them. On the other hand, at 77 K, the velocity decreased from the h
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KAWABATA, SHIRO, TAKEO KATO, FLORIANA LOMBARDI, and THILO BAUCH. "TWO-DIMENSIONAL MACROSCOPIC QUANTUM DYNAMICS IN YBCO JOSEPHSON JUNCTIONS." International Journal of Modern Physics B 23, no. 20n21 (2009): 4329–37. http://dx.doi.org/10.1142/s0217979209063481.

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We theoretically study classical thermal activation (TA) and macroscopic quantum tunneling (MQT) for a YBa 2 Cu 3 O 7-δ( YBCO ) Josephson junction coupled with an LC circuit. The TA and MQT escape rate are calculated by taking into account the two-dimensional nature of the classical and quantum phase dynamics. We find that the MQT escape rate is largely suppressed by the coupling to the LC circuit. On the other hand, this coupling leads to the slight reduction of the TA escape rate. These results are relevant for the interpretation of a recent experiment on the MQT and TA phenomena in YBCO bi-
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WATANABE, MICHIO. "TECHNOLOGIES FOR THE FABRICATION OF NANOSCALE SUPERCONDUCTING CIRCUITS." Modern Physics Letters B 19, no. 09n10 (2005): 405–24. http://dx.doi.org/10.1142/s0217984905008529.

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Researches on the fabrication of ~ 0.1 × 0.1 μ m 2 superconductor–insulator–superconductor (SIS) Josephson junctions are reviewed. Today, a typical dimension is 1–10 μm for Josephson junctions in superconducting integrated circuits. These Josephson junctions are defined by well-established photolithographic technology with reactive ion etching (RIE), and for the superconductor, Nb is almost always used. The merits of Nb include the facts that the superconducting transition temperature Tc of Nb (9.2 K ) is higher than the boiling point of He (4.2 K ), and that Nb has excellent stability against
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Mawatari, Yasunori. "Anomalous magnetic interference of cross-type Josephson junctions exposed to oblique magnetic fields." Journal of Physics D: Applied Physics 55, no. 20 (2022): 200002. http://dx.doi.org/10.1088/1361-6463/ac52ce.

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Abstract Gauge-invariant phase difference and critical currents of cross-type Josephson junctions with thin and narrow superconducting strips exposed to three-dimensional magnetic fields are theoretically investigated. When a sandwich-type Josephson junction in the xy plane is exposed to parallel magnetic fields H x and H y , the phase difference linearly depends on the spatial coordinates, x and y, and the critical currents exhibit the standard Fraunhofer-type magnetic interference. The perpendicular field H z , on the other hand, nonlinearly modulates the distribution of the phase difference
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CHOI, M. Y. "SPONTANEOUS CURRENTS IN MESOSCOPIC AND MACROSCOPIC SYSTEMS." Modern Physics Letters B 08, no. 27 (1994): 1667–82. http://dx.doi.org/10.1142/s0217984994001618.

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The possibility of current-carrying ground states due to the Aharonov-Casher and the Aharonov-Bohm effect in mesoscopic and macroscopic systems is discussed in detail. In mesoscopic metal rings, the interplay between the two effects is not separable, and the spontaneous spin currents via the Aharonov-Casher effect are dominated by the charge currents due to the Aharonov-Bohm effect. In an annulus-shaped Josephson junction array, on the other hand, only the Aharonov-Casher effect comes in; the corresponding vortex current generates a spontaneous voltage across the annulus, which appears to be o
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Fahy, Declan. "The laureate as celebrity genius: How Scientific American’s John Horgan profiled Nobel Prize winners." Public Understanding of Science 27, no. 4 (2018): 433–45. http://dx.doi.org/10.1177/0963662518762663.

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When scientists become Nobel laureates, they become famous in science and public life, but few studies have examined the nature of their scientific celebrity. This article examines how Scientific American portrayed laureates in order to identify and explain core features of Nobel fame. It examines the portrayals of seven laureates – Francis Crick, Linus Pauling, Hans Bethe, Murray Gell-Mann, Brian Josephson, Philip Anderson and Subrahmanyan Chandrasekhar – in magazine profiles written between 1992 and 1995 by science writer John Horgan. Its textual analysis finds the scientists are portrayed a
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Pashitskiĭ, È. A., V. I. Pentegov, and A. V. Semenov. "Multipetal anisotropic structure of the gap parameter in high-temperature superconductors as a consequence of strong anisotropy of the band spectrum." Low Temperature Physics 22, no. 5 (1996): 367–71. https://doi.org/10.1063/10.0033990.

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It is shown that multipetal asymmetric structure of the anisotropic superconducting gap parameter observed by H. Ding et al. [H. Ding et al., Phys. Rev. Lett. 74, 2784 (1995)] in the plane of CuO2 layers in Bi2Sr2CaCu2O8+x single crystal can be a consequence of the superposition of two effects: hybridization of the wide and narrow 2D bands, leading to the emergence of saddle anomalies in the energy—momentum relation on one hand and the formation of a superlattice and a dielectric pseudogap along a diagonal of a primitive cell in a 2D layer on the other hand. A simple two-component model propos
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SUGAHANA, MASANORI, and NIKOLAI N. BOGOLUBOV. "QUANTUM INTERFERENCE OF ELECTRON SYSTEM IN 2D NETWORK OF CIRCULAR MOLECULAR ORBITS." Modern Physics Letters B 16, no. 10n11 (2002): 363–73. http://dx.doi.org/10.1142/s0217984902003877.

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Our theoretical study reports on the quantum interference effect expected to be found in the correlated state of the hole-doped electron system in 2D networks of circular molecular orbits, where the ground state of the system is described by a FQHE-like state. When the phase-correlation length λΘ is larger than the incompressibility length λQ, the system of tunneling-coupled 2 FQHE-like states shows the interference of the Josephson effect. On the other hand, when λQ > λΘ, the system shows a dielectric interference effect analogous to the superconductor junction. In the film crystal of a mu
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ZHAO, GUO-MENG, and PIEDER BEELI. "NOVEL MAGNETIC PROPERTIES IN MULTI-WALLED CARBON NANOTUBE MATS: CONSISTENT WITH THE PARAMAGNETIC MEISSNER EFFECT DUE TO ULTRAHIGH-TEMPERATURE SUPERCONDUCTIVITY." International Journal of Modern Physics B 23, no. 20n21 (2009): 4285–96. http://dx.doi.org/10.1142/s0217979209063444.

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We report magnetic measurements up to 1200 K on iron-contaminated multi-walled carbon nanotube mats with a Quantum Design vibrating sample magnetometer. Extensive magnetic data consistently show a ferrromagnetic transition at about 1000 K and a ferromagnetic-like transition at about 1275 K. The ferromagnetic transition at about 1000 K is associated with an Fe impurity phase and its saturation magnetization is in quantitative agreement with the Fe concentration measured by an inductively coupled plasma mass spectrometer. On the other hand, the saturation magnetization for the ferromagnetic-like
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Dissertations / Theses on the topic "Hans Josephsohn"

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Petar, Mali. "Nelinearna dinamika u okviru Frenkel-Kontorova modela pod dejstvom spoljašnjih periodičnih sila." Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2015. https://www.cris.uns.ac.rs/record.jsf?recordId=95366&source=NDLTD&language=en.

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Ispitivan je generalisani Frenkel-Kontorova model pod&nbsp;dejstvom spolja&scaron;njih periodičnih sila,&nbsp;i njihov uticaj na &Scaron;apiro stepenike.&nbsp;Deformacija substratnog potencijala prouzrokuje&nbsp;pojavu velikih polucelih i drugih subharmonijskih&nbsp;stepenika u sistemu.&nbsp;Rezultati dobijeni u radu su od značaja&nbsp;u talasima i spinovima gustine naboja&nbsp;kao i u Džozefsonovim spojevima.<br>Properties of the Shapiro steps in dierentcommensurate structures of the ac + dc drivenFrenkel-Kontorova model with dierent generalizedsubstrate potential have been examined.Deviation
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Books on the topic "Hans Josephsohn"

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Hein, Sassen Jan, and Stedelijk Museum (Amsterdam Netherlands), eds. Hans Josephsohn. Stedelijk Museum, 2002.

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Udo, Kittelmann, Haase Amine, Meinherz Ulrich, and Museum für Moderne Kunst (Frankfurt am Main, Germany), eds. Kesselhaus Josephsohn. König, 2008.

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Keller, Claudia. Gestundete Zeit - 100 Jahre Hans Josephsohn. Scheidegger & Spiess, 2020.

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Huber, Walo. La Congiunta: Haus für Reliefs und Halbfiguren von Hans Josephsohn = casa per rilievi e busti di Hans Josephsohn = house for reliefs and half-figures by Hans Josephsohn. Fondazione La Congiunta, 2018.

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Zschokke, Walter. Peter Märkli: La Congiunta : Haus für Reliefs und Halbfiguren des Bildhauers Hans Josephsohn. Verlag Gerd Hatje, 1994.

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editor, Pizonka Sonja, and Museum Folkwang Essen, eds. Hans Josephson: Existenzielle Plastik = Existential sculpture. Edition Folkwang / Steidl, 2018.

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Mack, Gerhard. Hans Josephsohn. Verlag Scheidegger and Spiess, 2006.

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Josephson, Hans. Hans Josephsohn. Holzwarth Publications, 2024.

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9

Hans Josephsohn Sculptures: Photographs by Jürg Hassler. Scheidegger und Spiess AG, Verlag, 2017.

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Levin, Frank S. Quantum Tunneling. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198808275.003.0014.

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Quantum tunneling, wherein a quanject has a non-zero probability of tunneling into and then exiting a barrier of finite width and height, is the subject of Chapter 13. The description for the one-dimensional case is extended to the barrier being inverted, which forms an attractive potential well. The first application of this analysis is to the emission of alpha particles from the decay of radioactive nuclei, where the alpha-nucleus attraction is modeled by a potential well and the barrier is the repulsive Coulomb potential. Excellent results are obtained. Ditto for the similar analysis of pro
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Book chapters on the topic "Hans Josephsohn"

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Semba, Kouichi. "Emerging Ultrastrong Coupling Between Light and Matter Observed in Circuit Quantum Electrodynamics." In International Symposium on Mathematics, Quantum Theory, and Cryptography. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5191-8_3.

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Abstract The strength of the coupling between an atom and a single electromagnetic field mode is defined as the ratio of the vacuum Rabi frequency to the Larmor frequency, and is determined by a small dimensionless physical constant, the fine structure constant $$\alpha =Z_{vac} / 2R_{K}$$. On the other hand, the quantum circuit including Josephson junctions behaving as artificial atoms and it can be coupled to the electromagnetic field with arbitrary strength (Devoret et al. 2007). Therefore, the circuit quantum electrodynamics (circuit QED) is extremely suitable for studying much stronger li
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Conference papers on the topic "Hans Josephsohn"

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Sone, Jun-ich, Jaw-Shen Tsai, and Hiroyuki Abe. "Picosecond Josephson Logic Gates for Degital LSIs." In Picosecond Electronics and Optoelectronics. Optica Publishing Group, 1985. http://dx.doi.org/10.1364/peo.1985.thb5.

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This paper will discuss the realized and projected picosecond logic speed of Resistor Coupled Josephson Logic for LSI applications. The 4b x 4b parallel multiplier, developed very recently by using 5-μm lead alloy technology, demonstrates a multiplication time as small as 280 picoseconds. The averaged logic delay per gate is 21 picoseconds in this multiplier. The advancement in Josephson IC fabrication technology, on the other hand, has shown the possibility for fabricating 1-μm minimum line width Josephson LSI. The projested logic delay per gate of densely packed 1-μm RCJL LSI will be less th
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Ball, John. "A Transportable Josephson Voltage Standard." In NCSL International Workshop & Symposium. NCSL International, 2013. http://dx.doi.org/10.51843/wsproceedings.2013.16.

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The Army has actively participated in the development and application of quantum voltage standards since the US practical Volt was redefined by NIST in terms of the Josephson Effect in 1972. An Army-led collaborative effort resulted in the commercialization of Josephson array technology in the mi-1990s. Today, the Josephson Effect defines the SI representation of the Volt and Josephson-based systems serve as standards in national metrology institutes and primary laboratories throughout the world. An Army effort is currently underway to make quantum voltage metrology systems practical for use o
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Van Duzer, T. "Picosecond Superconductive Electronics." In Picosecond Electronics and Optoelectronics. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/peo.1991.fa1.

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Materials developments during the past several years will facilitate the realization of promises of picosecond electronics with superconductive devices. An increasing number of groups around the world have developed the capability of making all refractory integrated circuits based on the Nb-NbOxNb Josephson tunnel junction, which has the I-V characteristic shown in Fig. 1a. These devices have excellent and controllable electrical characteristics and are stable both in terms of shelf life and in thermal cycling. Circuits with tens of thousands of logic gates have been made and have shown remark
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Botkin, D., S. Weiss, D. F. Ogletree, M. Salmeron, and D. S. Chemla. "Quantum Mechanical Capacitance in a Scanning Tunneling Microscope." In Quantum Optoelectronics. Optica Publishing Group, 1995. http://dx.doi.org/10.1364/qo.1995.qwa3.

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One of the most spectacular manifestations of quantum mechanics is tunneling between closely spaced conductors. The DC I-V characteristics in different types of tunnel junctions, such as metal-vacuum-metal junctions (MVM), metal-insulator-metal junctions (MIM), Josephson junctions, and quantum point contacts in a two dimensional electron gas, are well understood. High frequency transport in these systems is much less understood, and has been the subject of intense research in recent years[1,2].
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Movshovich, R., B. Yurke, P. G. Kaminsky, A. D. Smith, A. H. Silver, and R. W. Simon. "Quantum noise squeezing at microwave frequencies." In OSA Annual Meeting. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.fbb2.

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We report the observation of zero-point noise squeezing by means of a Josephson- junction parametric amplifier, which has been used previously to squeeze 4.2 K thermal noise1. To observe quantum noise squeezing, a number of improvements were made on the apparatus; these include the in stallation of two low-noise cryogenic high- electron-mobility-transistor (HEMT) amplifiers, which boosted the detector sensitivity an order of magnitude to 215 K. The Josephson- junction parametric amplifier was cooled to 30 mK and was operated in the degenerate mode with the signal carrier frequency at 19.16 GHz
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Harben, Jonathan. "The 2014 North American Josephson Voltage Interlaboratory Comparison." In NCSL International Workshop & Symposium. NCSL International, 2015. http://dx.doi.org/10.51843/wsproceedings.2015.32.

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The 10th North American Josephson voltage standard (JVS) interlaboratory comparison (ILC) at 10 V was completed in 2014. This year’s ILC was unique as it consisted of 2 parts. An on-site comparison was conducted between the National Institute of Standards and Technology (NIST) compact JVS and the pivot laboratory’s conventional JVS (CJVS) system. A set of four traveling Zener voltage standards then served to transfer traceability from the pivot laboratory to the 12 other participants. In addition to the regular ILC activities, a second on-site comparison was conducted between the NIST compact
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Takeda, Eiji. "A Migration Path to Nano-Meter Lithography: From the viewpoint of VLSIs." In Soft X-Ray Projection Lithography. Optica Publishing Group, 1993. http://dx.doi.org/10.1364/sxray.1993.tua.1.

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The "VLSI revolution" that is opening a new epoch in the electronics industry has made such remarkable progress that now 108 - 109 transistors can be fabricated on a single chip. VLSI microfabrication technologies are being pushed to new extremes by the DRAM community, thereby expediting research on 256 Mbit DRAMs using the 0.2 μm design rule. Giga-bit DRAMs and sophisticated ULSI processors using 0.1 μm Si-MOSFETs could possibly appear in the latter half of the 1990s. Recently, a very high speed ring oscillator has achieved 10 psec/gate for 77 K operation[1]. In the field of advanced bipolar
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Davidson, Stuart. "Addressing the Need for Wider Access to the SI Unit of Mass Following the Revision of the International System of Units." In NCSL International Workshop & Symposium. NCSL International, 2017. http://dx.doi.org/10.51843/wsproceedings.2017.02.

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The International System of Units (SI), which provides the basis for all physical measurements, is due to be revised in 2018. The current system, defined by seven base units, will be replaced by a "New SI" where all units are defined in terms of a set of seven reference constants, to be known as the "defining constants of the SI". The aim is to provide a simpler and more fundamental definition of the entire SI, which will also dispense with the last of the definitions based on a material artifact • the international prototype kilogram. In the new SI the kilogram will be defined in terms of a f
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