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Articoli di riviste sul tema "Superconductivity"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Gencer, A., and I. N. Askerzade. "Superconductivity Research in Turkey." Superconductivity: Fundamental and Applied Research, no. 4 (December 25, 2024): 4–11. https://doi.org/10.62539/2949-5644-2024-0-4-4-11.

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2

Kuibarov, Andrii, Oleksandr Suvorov, Riccardo Vocaturo, et al. "Evidence of superconducting Fermi arcs." Nature 626, no. 7998 (2024): 294–99. http://dx.doi.org/10.1038/s41586-023-06977-7.

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AbstractAn essential ingredient for the production of Majorana fermions for use in quantum computing is topological superconductivity1,2. As bulk topological superconductors remain elusive, the most promising approaches exploit proximity-induced superconductivity3, making systems fragile and difficult to realize4–7. Due to their intrinsic topology8, Weyl semimetals are also potential candidates1,2, but have always been connected with bulk superconductivity, leaving the possibility of intrinsic superconductivity of their topological surface states, the Fermi arcs, practically without attention,

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3

Caplin, David. "Superconductivity and Hype-Superconductivity." Physics Bulletin 38, no. 12 (1987): 450–51. http://dx.doi.org/10.1088/0031-9112/38/12/022.

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4

LARBALESTIER, David C. "50 Years of Applied Superconductivity." TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 50, no. 5 (2015): 214–17. http://dx.doi.org/10.2221/jcsj.50.214.

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5

Di Benedetto, Francesco, Miria Borgheresi, Andrea Caneschi, et al. "First evidence of natural superconductivity: covellite." European Journal of Mineralogy 18, no. 3 (2006): 283–87. http://dx.doi.org/10.1127/0935-1221/2006/0018-0283.

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6

TANAKA, Shoji. "Superconductivity." Journal of the Japan Society for Precision Engineering 54, no. 1 (1988): 46–47. http://dx.doi.org/10.2493/jjspe.54.46.

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7

Cordelair, Jens. "Superconductivity." World Journal of Condensed Matter Physics 04, no. 04 (2014): 241–42. http://dx.doi.org/10.4236/wjcmp.2014.44026.

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8

Grosche, F. M. "Superconductivity." Science Progress 87, no. 1 (2004): 51–78. http://dx.doi.org/10.3184/003685004783238571.

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9

Carson, C. Herbert, James A. Barrett, and Mary Jean Colburn. "Superconductivity." Science & Technology Libraries 8, no. 4 (1988): 63–75. http://dx.doi.org/10.1300/j122v08n04_09.

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10

Poole, C. P., H. A. Farach, R. J. Creswick, and Anthony J. Leggett. "Superconductivity." Physics Today 49, no. 9 (1996): 90. http://dx.doi.org/10.1063/1.2807774.

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11

Schrieffer, J. R., and M. Tinkham. "Superconductivity." Reviews of Modern Physics 71, no. 2 (1999): S313—S317. http://dx.doi.org/10.1103/revmodphys.71.s313.

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12

Dahl, P. F. "Superconductivity." Physics Today 39, no. 11 (1986): 134. http://dx.doi.org/10.1063/1.2815230.

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13

Higuchi, Noboru. "Superconductivity." Journal of the Society of Mechanical Engineers 95, no. 887 (1992): 878–79. http://dx.doi.org/10.1299/jsmemag.95.887_878.

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14

Poole, Jr., Charles P., Horacio A. Farach, Richard J. Creswick, and Kara Beauchamp. "Superconductivity." American Journal of Physics 65, no. 1 (1997): 95. http://dx.doi.org/10.1119/1.18611.

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15

Bussmann-Holder, Annette. "Superconductivity." Materials Today 11, no. 12 (2008): 70. http://dx.doi.org/10.1016/s1369-7021(08)70255-4.

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16

Caplin, A. D. "Superconductivity." Contemporary Physics 34, no. 3 (1993): 151–52. http://dx.doi.org/10.1080/00107519308213812.

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17

Hempstead, Colin A. "Superconductivity." Endeavour 17, no. 1 (1993): 48. http://dx.doi.org/10.1016/0160-9327(93)90050-d.

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18

Neumann, K. U. "Superconductivity." Endeavour 19, no. 1 (1995): 45. http://dx.doi.org/10.1016/0160-9327(95)90003-9.

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19

Kulakov, A. "SUPERCONDUCTIVITY." Norwegian Journal of development of the International Science, no. 113 (July 26, 2023): 39–43. https://doi.org/10.5281/zenodo.8195523.

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<strong>Abstract</strong> Since the publication of this work, it has become a canonical work on the theory of high-temperature superconductivity (HTSC), based on the proposed and developed theory of quantum exchange forces in condensed media, which made it possible to elucidate the mechanism for the formation of Cooper complexes, which provides a consistent account of long-range exchange forces and makes it possible to spontaneously explain the pairing of electrons that occurs both at large and relatively small distances . In this case, the manifestation of spin correlations in superconductors

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20

Hirsch, J. E. "Hole superconductivity xOr hot hydride superconductivity." Journal of Applied Physics 130, no. 18 (2021): 181102. http://dx.doi.org/10.1063/5.0071158.

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21

Nagao, Hidemi, Hiroyuki Kawabe, Sergei P. Kruchinin, Dirk Manske, and Kizashi Yamaguchi. "Theoretical Studies on Many-Band Effects in Superconductivity by Using Renormalization Group Approach." Modern Physics Letters B 17, no. 10n12 (2003): 423–31. http://dx.doi.org/10.1142/s0217984903005445.

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We present a renormalization equations for two-band superconductivity by using a two-band model and present phase diagrams for the two-band superconductivity. In the framework of two-band model, the present results predict that superconductivity appears, even if electron-electron interaction is positive. We discuss the possibility of a cooperative mechanism in the two-band superconductivity in relation to high-Tc superconductivity.

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22

NAGAO, HIDEMI, SERGEI P. KRUCHININ, ANATOLI M. YAREMKO, and KIZASHI YAMAGUCHI. "MULTIBAND SUPERCONDUCTIVITY." International Journal of Modern Physics B 16, no. 23 (2002): 3419–28. http://dx.doi.org/10.1142/s0217979202012220.

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Multi-band superconductivity is investigated by using two-particle Green's function techniques, and equations for coupled states are derived in the framework of a two-band model. These results suggest that superconductivity appears, even if electron–electron interaction is positive. We also present a cooperative mechanism for multi-band superconductivity.

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23

Wu, Wenqi. "Exploring Superconductivity: From Historical Milestones to Future Frontiers." Highlights in Science, Engineering and Technology 111 (August 19, 2024): 174–79. http://dx.doi.org/10.54097/j1vphs61.

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Superconductivity has been a highly popular topic at the forefront of science since scientists firstly discovered this phenomenon. An enormous number of papers have been devoted to superconductivity during the past 100 years. New discoveries and research are constantly changing, driving people’s thinking about the essence of this phenomenon. Superconductivity has great prospects in many areas, it has many possible uses, including transporting, zero wasting electricity transmission, and quantum computer. This paper introduces histories of how scientists found superconductivity, definitions scie

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24

Oike, Hiroshi, Manabu Kamitani, Yoshinori Tokura, and Fumitaka Kagawa. "Kinetic approach to superconductivity hidden behind a competing order." Science Advances 4, no. 10 (2018): eaau3489. http://dx.doi.org/10.1126/sciadv.aau3489.

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Exploration for superconductivity is one of the research frontiers in condensed matter physics. In strongly correlated electron systems, the emergence of superconductivity is often inhibited by the formation of a thermodynamically more stable magnetic/charge order. Thus, to develop the superconductivity as the thermodynamically most stable state, the free-energy balance between the superconductivity and the competing order has been controlled mainly by changing thermodynamic parameters, such as the physical/chemical pressure and carrier density. However, such a thermodynamic approach may not b

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25

Koblischka, Michael Rudolf, and Anjela Koblischka-Veneva. "Superconductivity 2022." Metals 12, no. 4 (2022): 568. http://dx.doi.org/10.3390/met12040568.

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Superconductivity in metals and alloys, i.e., conventional superconductivity, has seen many new developments in recent years, leading to a renewed interest in the principles of superconductivity and the search for new materials. The most striking discoveries include the near-room-temperature superconductivity in metal hydrides (LaH10) under pressure, the extreme stability of superconductivity in NbTi up to 261 GPa pressure, the discovery of high-entropy alloy (HEA) superconductor materials, and the machine learning prediction of new superconducting materials. Other interesting research concern

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26

Slocombe, Daniel R., Vladimir L. Kuznetsov, Wojciech Grochala, Robert J. P. Williams, and Peter P. Edwards. "Superconductivity in transition metals." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 373, no. 2037 (2015): 20140476. http://dx.doi.org/10.1098/rsta.2014.0476.

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A qualitative account of the occurrence and magnitude of superconductivity in the transition metals is presented, with a primary emphasis on elements of the first row. Correlations of the important parameters of the Bardeen–Cooper–Schrieffer theory of superconductivity are highlighted with respect to the number of d-shell electrons per atom of the transition elements. The relation between the systematics of superconductivity in the transition metals and the periodic table high-lights the importance of short-range or chemical bonding on the remarkable natural phenomenon of superconductivity in

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27

Diamantini, Maria Cristina. "Superconductors with a Topological Gap." Condensed Matter 8, no. 2 (2023): 46. http://dx.doi.org/10.3390/condmat8020046.

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I review a new superconductivity mechanism in which the gap is opened through a topological mechanism and not through the Landau mechanism of spontaneous symmetry breaking. As a consequence, the low-energy effective theory which describes these new superconductors is not the Landau–Ginzburg theory, formulated in terms of a local-order parameter, but a topological-field theory formulated in terms of emerging gauge fields. This new mechanism is realized as global superconductivty in Josephson junction arrays and in thin superconducting films with thicknesses comparable to the superconducting coh

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28

S. GuimarÃ£es, Eduardo. "The Beginning of The Nuclear Universe and The Theory of Orbital Superconductivity of The Celestial Bodies." JOURNAL OF ADVANCES IN PHYSICS 14, no. 2 (2018): 5442–48. http://dx.doi.org/10.24297/jap.v14i2.7406.

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 This article is a logical and rational analysis of the original nuclear matter, and of the structure that gave rise to the space architecture of the universe with galaxies, stars, the system of planets and moons, and arrives to original and inedited conclusions. After the so-called Big Bang of the universe arose the space, a new time count and the nuclear universe, governed by the actions of the physical properties of nuclear superconductivity space. The actions of the physical properties of superconductivity nuclear matter generate the spatial phenomenon of orbital supercon

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29

Khlyustikov, I. N. "Surface Superconductivity of Vanadium." Journal of Experimental and Theoretical Physics 132, no. 3 (2021): 453–56. http://dx.doi.org/10.1134/s1063776121030043.

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Abstract The critical temperature of the surface superconductivity in vanadium (Tcs) is found to be 0.04 K higher than the critical temperature of its volume superconductivity (Tcv). Surface superconductivity persistent currents can effectively trap a magnetic flux. The critical current density of the surface superconductivity is estimated at js = 5 × 106 A/cm2 at T = Tcv.

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30

Little, Reginald B. "Integrating Superconductivity in Cu Replace Lead Apatite by Nuclear Magnetic Moment Theory of RBL." European Journal of Applied Physics 6, no. 3 (2024): 7–13. http://dx.doi.org/10.24018/ejphysics.2024.6.3.275.

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Recently, scientists proclaimed superconductivity under ambient conditions of room temperature and 1 atmosphere pressure in Cu partial substituted lead apatite: Pb(10-x)Cux(PO4)6. This paper highlights the application of RBL’s stable isotope of positive and negative nuclear magnetic moments (NMMs) theory for explaining the heavy isotopic enrichment of this materials as {207Pb{10-x}63Cux(‘31PιO4)6}, where ι = 17 or 18 and the resulting superconductivity and novel room temperature atmospheric pressure superconductivity of this heavy isotopic enriched substance. On the basis of such analysis by R

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31

Li, Jun, and Dao-Xin Yao. "Superconductivity in octagraphene." Chinese Physics B 31, no. 1 (2022): 017403. http://dx.doi.org/10.1088/1674-1056/ac40fa.

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Abstract This article reviews the basic theoretical aspects of octagraphene, an one-atom-thick allotrope of carbon, with unusual two-dimensional (2D) Fermi nesting, hoping to contribute to the new family of quantum materials. Octagraphene has an almost strongest sp2 hybrid bond similar to graphene, and has the similar electronic band structure as iron-based superconductors, which makes it possible to realize high-temperature superconductivity. We have compared various possible mechanisms of superconductivity, including the unconventional s± superconductivity driven by spin fluctuation and conv

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32

LIU, FU-SUI, та WAN-FANG CHEN. "THEORY OF CHAIN SUPERCONDUCTIVITY IN YBa2Cu3O7-δ". International Journal of Modern Physics B 19, № 04 (2005): 783–90. http://dx.doi.org/10.1142/s0217979205027718.

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This paper extends the two-local-spin-mediated interaction (TLSMI) for the superconductivity in the CuO 2 plane of the high-Tc cuprates to the Cu - O chain superconductivity in YBa 2 Cu 3 O 7-δ (Y123), and sets up a theory for the chain superconductivity in Y123. We explain the observed 60 K chain superconductivity and predicts that the pseudogap should exist in the Cu - O chain of Y123.

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33

Xing, Ying, Zhibin Shao, Jun Ge, et al. "Surface superconductivity in the type II Weyl semimetal TaIrTe4." National Science Review 7, no. 3 (2019): 579–87. http://dx.doi.org/10.1093/nsr/nwz204.

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Abstract The search for unconventional superconductivity in Weyl semimetal materials is currently an exciting pursuit, since such superconducting phases could potentially be topologically non-trivial and host exotic Majorana modes. The layered material TaIrTe4 is a newly predicted time-reversal invariant type II Weyl semimetal with the minimum number of Weyl points. Here, we report the discovery of surface superconductivity in Weyl semimetal TaIrTe4. Our scanning tunneling microscopy/spectroscopy (STM/STS) visualizes Fermi arc surface states of TaIrTe4 that are consistent with the previous ang

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34

KRUCHININ, S. P., and H. NAGAO. "NANOSCALE SUPERCONDUCTIVITY." International Journal of Modern Physics B 26, no. 26 (2012): 1230013. http://dx.doi.org/10.1142/s0217979212300137.

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We deal with the problem of nanoscale superconductivity. Nanoscale superconductivity remains to be one of the most interesting research areas in condensed mater. Recent technology and experiments have fabricated high-quality superconducting MgB 2 nanoparticles. We consider the two-band superconductivity in ultrasmall grains, by extending the Richardson exact solution to two-band systems, and develop the theory of interactions between nano-scale ferromagnetic particles and superconductors. The properties of nano-sized two-gap superconductors and the Kondo effect in superconducting ultrasmall gr

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35

Yanagisawa, Takashi. "Mechanism of High-Temperature Superconductivity in Correlated-Electron Systems." Condensed Matter 4, no. 2 (2019): 57. http://dx.doi.org/10.3390/condmat4020057.

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It is very important to elucidate the mechanism of superconductivity for achieving room temperature superconductivity. In the first half of this paper, we give a brief review on mechanisms of superconductivity in many-electron systems. We believe that high-temperature superconductivity may occur in a system with interaction of large-energy scale. Empirically, this is true for superconductors that have been found so far. In the second half of this paper, we discuss cuprate high-temperature superconductors. We argue that superconductivity of high temperature cuprates is induced by the strong on-

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36

GOR'KOV, L. P. "SURFACE AND SUPERCONDUCTIVITY." International Journal of Modern Physics B 20, no. 19 (2006): 2569–73. http://dx.doi.org/10.1142/s0217979206035035.

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Experiments reveal the existence of metallic bands at surfaces of metals and insulators. The bands can be doped externally. We review properties of surface superconductivity that may set up in such bands at low temperatures and various means of superconductivity defection. The fundamental difference as compared to the ordinary superconductivity in metals, besides its two-dimensionality lies in the absence of the center of space inversion. This results in mixing between the singlet and triplet channels of the Cooper pairing.

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37

Blanco-Gutiérrez, V., M. J. Torralvo-Fernández, and M. Á. Alario-Franco. "Particle size effect on the superconducting properties of YBa2Cu3O7−x particles." Dalton Transactions 46, no. 35 (2017): 11698–703. http://dx.doi.org/10.1039/c7dt01974b.

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Particle size is crucial for the existence of superconductivity. Below 100 nm they do not exhibit superconductivity and those around 200 nm exhibit coexistence between ferromagnetism and superconductivity. There is no size effect for particles larger than 250 nm. T<sub>C</sub> increases with the particle size.

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38

OHSAKU, TADAFUMI. "RELATIVISTIC MODEL OF TWO-BAND SUPERCONDUCTIVITY IN (2 + 1)-DIMENSION." International Journal of Modern Physics B 18, no. 12 (2004): 1771–94. http://dx.doi.org/10.1142/s0217979204024926.

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We investigate the relativistic model of superconductivity in (2 + 1)-dimension. We employ the massless Gross–Neveu model at finite temperature and density, to study the superconductivity and superconducting instability. Our investigation is related to the superconductivity in (2 + 1)-dimensional two-band systems like MgB2 or intercalated graphite.

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39

Anlage, Steven M. "Microwave Superconductivity." IEEE Journal of Microwaves 1, no. 1 (2021): 389–402. http://dx.doi.org/10.1109/jmw.2020.3033156.

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40

Berlincourt, T. G. "Superconductivity Centennial." MRS Bulletin 15, no. 6 (1990): 6–9. http://dx.doi.org/10.1557/s088376940005942x.

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41

Appleton, Bill R. "Superconductivity Applications." Science 246, no. 4931 (1989): 740. http://dx.doi.org/10.1126/science.246.4931.740.a.

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42

Abergel, David. "Double superconductivity." Nature Physics 17, no. 10 (2021): 1073. http://dx.doi.org/10.1038/s41567-021-01387-w.

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43

Greene, Richard L. "Superconductivity Researchers." Science 271, no. 5252 (1996): 1039. http://dx.doi.org/10.1126/science.271.5252.1039-a.

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44

POOL, R. "Copperless Superconductivity." Science 240, no. 4859 (1988): 1614. http://dx.doi.org/10.1126/science.240.4859.1614.

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Appleton, B. R. "Superconductivity Applications." Science 246, no. 4931 (1989): 740. http://dx.doi.org/10.1126/science.246.4931.740.

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46

V. Bondarev, Boris. "Gapless Superconductivity." International Journal of Physics 3, no. 2 (2015): 88–95. http://dx.doi.org/10.12691/ijp-3-2-7.

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47

Hadlington, Simon. "UK superconductivity." Nature 327, no. 6120 (1987): 263. http://dx.doi.org/10.1038/327263d0.

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48

Porter, M. C. "Superconductivity/YBCO." IEEE Potentials 15, no. 2 (1996): 30–35. http://dx.doi.org/10.1109/45.489735.

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49

Reilly, J. J., M. Suenaga, J. R. Johnson, P. Thompson, and A. R. Moodenbaugh. "Superconductivity inHxYBa2Cu3O7." Physical Review B 36, no. 10 (1987): 5694–97. http://dx.doi.org/10.1103/physrevb.36.5694.

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50

Wiegmann, Paul. "Topological Superconductivity." Progress of Theoretical Physics Supplement 107 (1992): 243–79. http://dx.doi.org/10.1143/ptps.107.243.

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