GIOVANNI UMMARINO

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Associate Professor

+39 0110907313 / 7313 (DISAT)

Most recent publications

Ummarino, Giovanni (2021)
Standard Behaviour of Bi2Sr2CaCu2O8+δ Overdoped. In: CONDENSED MATTER, vol. 6. ISSN 2410-3896 Download fulltext
Ummarino, Giovanni Alberto; Gallerati, Antonio (2021)
Possible Alterations of Local Gravitational Field Inside a Superconductor. In: ENTROPY, vol. 23. ISSN 1099-4300 Download fulltext
Romanin, Davide; Ummarino, Giovanni; Piatti, Erik (2021)
Migdal-Eliashberg theory of multi-band high-temperature superconductivity in field-effect-doped hydrogenated (111) diamond. In: APPLIED SURFACE SCIENCE, vol. 536. ISSN 0169-4332
Torsello, D.; Ummarino, G. A.; Bekaert, J.; Gozzelino, L.; Gerbaldo, R.; Tanatar, M. A.; ... (2020)
Tuning the Intrinsic Anisotropy with Disorder in the CaKFe4As4 Superconductor. In: PHYSICAL REVIEW APPLIED, vol. 13. ISSN 2331-7019 Download fulltext
Ummarino, Giovanni Alberto; Muratov, Andrey V; Kadyrov, Lenar S; Gorshunov, Boris P; ... (2020)
THz electrodynamics of BaFe1.91Ni0.09As2 film analyzed in the framework of multiband Eliashberg theory. In: SUPERCONDUCTOR SCIENCE & TECHNOLOGY. ISSN 0953-2048 Download fulltext
Ummarino, Giovanni A.; Romanin, Davide (2020)
Theoretical explanation of electric field‐induced superconductive critical temperature shifts in Indium thin films. In: PHYSICA STATUS SOLIDI. B, BASIC RESEARCH, pp. 1900651-1-1900651-7. ISSN 1521-3951 Download fulltext
A Aleshchenko, Yurii; V Muratov, Andrey; Ummarino, Giovanni; Richter, Stefan; Anna ... (2020)
Optical and hidden transport properties of BaFe1.91Ni0.09As2 film. In: JOURNAL OF PHYSICS. CONDENSED MATTER. ISSN 0953-8984
Ummarino, Giovanni Alberto; Gallerati, Antonio (2020)
Josephson AC effect induced by weak gravitational field. In: CLASSICAL AND QUANTUM GRAVITY, vol. 37. ISSN 0264-9381
Daghero, Dario; Piatti, Erik; Zhigadlo, Nikolai D.; Ummarino, Giovanni A.; Barbero, ... (2020)
Superconductivity of underdoped PrFeAs(O,F) investigated via point-contact spectroscopy and nuclear magnetic resonance. In: PHYSICAL REVIEW. B, vol. 102. ISSN 2469-9969 Download fulltext
Piatti, E.; Daghero, D.; Ummarino, G. A.; Colangelo, M.; Romanin, D.; Medeiros, O.; ... (2020)
Control of bulk superconductivity via surface-bound electric fields in ion-gated niobium nitride thin films. In: Solid State Surfaces and Interfaces 2020, Smolenice, Slovak Republic, November 2326, 2020, pp. 67-69. ISBN: 978-80-223-5018-1 Download fulltext
Ummarino, Giovanni Alberto (2020)
Eliashberg Theory of a Multiband Non-Phononic Spin Glass Superconductor. In: MAGNETOCHEMISTRY, vol. 6. ISSN 2312-7481 Download fulltext
Torsello, Daniele; Ummarino, Giovanni Alberto; Gerbaldo, Roberto; Gozzelino, Laura; ... (2019)
Eliashberg Analysis of the Electrodynamic Response of Ba(Fe1−xRhx)2As2 Across the s± to s++ Order Parameter Transition. In: JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM. ISSN 1557-1939 Download fulltext
Pauvert, O.; Somers, J.; Caciuffo, R.; Fanghanel, T.; Ummarino, G. A.; Chudo, H.; Kambe, ... (2010)
A new NMR facility for solid state actinide research at the Institute for Transuranium Elements. In: 6th International Conference on Plutonium Futures - The Science 2010, Keystone, CO, usa, 2010 Download fulltext
Ummarino, G. A.; Gonnelli, R. S.; Dolgov, O. V.; Shulga, S. V. (2003)
Electron-phonon spectral function and two-band model in tunneling measurements on MgB2. In: INTERNATIONAL JOURNAL OF MODERN PHYSICS B, vol. 17, pp. 643-648. ISSN 0217-9792
Daghero, D.; Gonnelli, R. S.; Ummarino, G. A.; Stepanov, V. A. (2003)
Possible d + id scenario in La2-xSrxCuO4 by point-contact measurements. In: INTERNATIONAL JOURNAL OF MODERN PHYSICS B, vol. 17, pp. 649-654. ISSN 0217-9792
Ummarino, G. A.; Gonnelli, R. S. (2002)
Possible explanation of electric-field-doped C60 phenomenology in the framework of Eliashberg theory. In: PHYSICAL REVIEW. B, CONDENSED MATTER AND MATERIALS PHYSICS, vol. 66, pp. 1045141-1045146. ISSN 1098-0121 Download fulltext
Ummarino, G. A.; Gonnelli, R. S.; Daghero, D. (2000)
Real-axis solution of Eliashberg equations in various order-parameter symmetries and tunneling conductance of optimally-doped HTSC. In: INTERNATIONAL JOURNAL OF MODERN PHYSICS B, vol. 14, pp. 2944-2949. ISSN 0217-9792
Gonnelli, R. S.; Calzolari, A.; Daghero, D.; Natale, L.; Ummarino, G. A.; Stepanov, V. ... (2000)
Temperature and doping dependence of Andreev reflection in Au/La2-XSrχCuO4 point-contact junctions. In: INTERNATIONAL JOURNAL OF MODERN PHYSICS B, vol. 14, pp. 3472-3479. ISSN 0217-9792
Gonnelli, R. S.; Ummarino, G. A.; Stepanov, V. A. (1999)
Eliashberg equations, pair symmetry and tunnel density of states in the optimally-doped high-Tc superconductor Bi2Sr2CaCu2O8+x. In: PHYSICA. C, SUPERCONDUCTIVITY, vol. 317-318, pp. 378-382. ISSN 0921-4534
Ummarino, G. A.; Gonnelli, R. S.; Stepanov, V. A. (1997)
Energy dependence of the normal density of states and of the electron-phonon spectral function in the quasiparticle tunneling of high-Tc superconductors. In: PHYSICA. C, SUPERCONDUCTIVITY, vol. 282-287, pp. 1501-1502. ISSN 0921-4534
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