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09 August 2020
 
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Results 1 to 20 of 62 for query "G.A. Ummarino". (0.01 sec.)

[    1    2    3    4    ]   Next
1.
Possible alterations of the gravitational field in a superconductor
G.A. Ummarino;
25 Oct 2000
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2.
Tunneling conductance of SIN junctions with different gap symmetries and non-magnetic impurities by direct solution of real-axis Eliashberg equations
G.A. Ummarino; R.S. Gonnelli; D. Daghero;
28 Nov 2000   /  Physica C 377, 292 (2002)
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3.
Pressure dependence of critical temperature in MgB2 and two bands Eliashberg theory
G.A. Ummarino;
24 Nov 2004
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4.
A Study of Carbon Substitutions in MgB_2 within the two-band Eliashberg theory
G. A. Ummarino; D. Daghero; R. S. Gonnelli; A. H. Moudden;
31 Aug 2004   /  Phys. Rev. B 71, 134511 (2005)
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5.
Two-band Eliashberg equations and the experimental Tc of the diboride Mg1-xAlxB2
G.A. Ummarino; R.S. Gonnelli; S. Massidda; A. Bianconi;
13 Oct 2003   /  Physica C 407, 121 (2004)
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6.
The possible explanation of electric-field-doped C60 phenomenology in the framework of Eliashberg theory
G.A. Ummarino; R.S. Gonnelli;
14 Aug 2001   /  Physical Review B 66, 104514, (2002)
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7.
Breakdown of Migdal-Eliashberg Theory in Rb$_3$C$_{60}$
E. Cappelluti; C. Grimaldi; L. Pietronero; S. Strässler; G.A. Ummarino;
15 Feb 2000
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8.
Multigap superconductivity and strong electron-boson coupling in Fe-based superconductors: A point-contact Andreev-reflection study of Ba(Fe1-xCox)2As2 single crystals
M. Tortello; D. Daghero; G.A. Ummarino; V.A. Stepanov; J. Jiang; R.S. Gonnelli;
8 Sep 2010
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9.
A Point-Contact Study of the Superconducting Gaps in Al-Substituted and C-Substituted MgB_2 Single Crystals
R.S. Gonnelli; D. Daghero; G.A. Ummarino; A. Calzolari; Valeria Dellarocca; V.A. Stepanov; S.M. Kazakov; J. Jun; J. Karpinski;
10 Jul 2004
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10.
Control of bulk superconductivity in a BCS superconductor by surface charge doping via electrochemical gating
E. Piatti; D. Daghero; G. A. Ummarino; F. Laviano; J. R. Nair; R. Cristiano; A. Casaburi; C. Portesi; A. Sola; R. S. Gonnelli;
10 Nov 2016
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11.
A phenomenological multiband Eliashberg model for LiFeAs
G A Ummarino; Sara Galasso; A Sanna;
12 Apr 2013
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12.
Coexistence of two order parameters and a pseudogap in the iron-based superconductor LaFeAsO1-xFx
R.S. Gonnelli; D. Daghero; M. Tortello; G.A. Ummarino; V.A. Stepanov; J.S. Kim; R.K. Kremer;
20 Jul 2008
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13.
The effect of magnetic impurities in a two-band superconductor: A point-contact study of Mn-substituted MgB2 single crystals
R.S. Gonnelli; D. Daghero; G.A. Ummarino; A. Calzolari; M. Tortello; V.A. Stepanov; N.D. Zhigadlo; K. Rogacki; J. Karpinski;
13 Oct 2005
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14.
The Magnetic-field Dependence of the Gaps in a Two-band Superconductor: A Point-contact Study of MgB_2 Single Crystals
R.S. Gonnelli; D. Daghero; A. Calzolari; G.A. Ummarino; Valeria Dellarocca; V.A. Stepanov; J. Jun; S.M. Kazakov; J. Karpinski;
7 Aug 2003   /  Phys. Rev. B 69, 100504(R) (2004)
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15.
Intrinsic surface depression of the order parameter under mixed (s+id)-wave pair symmetry and its effect on the critical current of high-Tc SIS Josephson junctions
G. A. Ummarino; R. S. Gonnelli; C. Bravi; V. A. Stepanov ( INFM-Dipartimento di Fisica; Politecnico di Torino; Torino; Italy;;
18 Oct 1997
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16.
Determination of the tunneling electron-phonon spectral function in high-Tc superconductors with energy dependence of the normal density of states
R. S. Gonnelli; G. A. Ummarino; V. A. Stepanov;
24 Dec 1996
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17.
Josephson effect in MgB(2) break junctions
R S Gonnelli; A Calzolari; D Daghero; G A Ummarino; V A Stepanov; G Giunchi; S Ceresara; G Ripamonti;
27 Aug 2001   /  Phys Rev Lett, 87 (9), 097001
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18.
Electron-Phonon Coupling Origin of the resistivity in YNi_{2}B_{2}C Single Crystals
R. S. Gonnelli; A. Morello; G. A. Ummarino; V. A. Stepanov; G. Behr; G. Graw; S. V. Shulga; S. -L. Drechsler;
3 Jul 2000
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19.
Resistivity and electron-phonon coupling in YNi$_2$B$_2$C single crystals
R.S. Gonnelli; V.A. Stepanov; A. Morello; G.A. Ummarino; G. Behr; G. Graw; S.V. Shulga; S.-L. Drechsler;
23 Dec 1999
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20.
Solution of real-axis Eliashberg equations with different pair symmetries and tunneling density of states
G.A. Ummarino; R.S. Gonnelli; D. Daghero;
23 Dec 1999   /  Physica C 341-348, 299 (2000)
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