Search Results - "Lupi, S."
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1
Observation of Dirac plasmons in a topological insulator
Published in Nature nanotechnology (01-08-2013)“…Plasmons are quantized collective oscillations of electrons and have been observed in metals and doped semiconductors. The plasmons of ordinary, massive…”
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2
Possible light-induced superconductivity in K3C60 at high temperature
Published in Nature (London) (25-02-2016)“…By exciting high-temperature K 3 C 60 with mid-infrared pulses, a large increase in carrier mobility is obtained, accompanied by the opening of a gap in the…”
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3
Optical conductivity of bismuth-based topological insulators
Published in Physical review. B, Condensed matter and materials physics (24-07-2012)“…The optical conductivity [sigma] sub(1) ( omega ) and the spectral weight SW of four topological insulators with increasing chemical compensation (Bi sub(2) Se…”
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4
Resonant plasma excitation by single-cycle THz pulses
Published in Scientific reports (18-01-2018)“…In this paper, an alternative perspective for the generation of millimetric high-gradient resonant plasma waves is discussed. This method is based on the…”
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5
Terahertz Tuning of Dirac Plasmons in Bi2Se3 Topological Insulator
Published in Physical review letters (05-06-2020)“…Light can be strongly confined in subwavelength spatial regions through the interaction with plasmons, the collective electronic modes appearing in metals and…”
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6
Snapshots of the retarded interaction of charge carriers with ultrafast fluctuations in cuprates
Published in Nature physics (01-05-2015)“…One of the pivotal questions in the physics of high-temperature superconductors is whether the low-energy dynamics of the charge carriers is mediated by bosons…”
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7
Mott-Hubbard transition in V2O3 revisited
Published in physica status solidi (b) (01-07-2013)“…The isostructural metal‐insulator transition in Cr‐doped V2O3 is the textbook example of a Mott–Hubbard transition between a paramagnetic metal (PM) and a…”
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8
A microscopic view on the Mott transition in chromium-doped V2O3
Published in Nature communications (02-11-2010)“…V 2 O 3 is the prototype system for the Mott transition, one of the most fundamental phenomena of electronic correlation. Temperature, doping or pressure…”
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9
Structural anisotropy in three dimensional macroporous graphene: A polarized XANES investigation
Published in Diamond and related materials (01-01-2021)“…Three-dimensional macroporous graphene sponges with different densities were investigated by angular dependent carbon K-edge X-ray Absorption Near Edge…”
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10
Air‐abrasive debridement with glycine powder versus manual debridement and chlorhexidine administration for the maintenance of peri‐implant health status: a six‐month randomized clinical trial
Published in International journal of dental hygiene (01-11-2017)“…Study design This single‐masked, randomized and six‐month clinical intervention trial including two study groups was planned to evaluate the efficacy of…”
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11
Optical Properties of a Vibrationally Modulated Solid State Mott Insulator
Published in Scientific reports (22-01-2014)“…Optical pulses at THz and mid-infrared frequencies tuned to specific vibrational resonances modulate the lattice along chosen normal mode coordinates. In this…”
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12
Author Correction: Resonant plasma excitation by single-cycle THz pulses
Published in Scientific reports (02-05-2019)“…A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper…”
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13
Evidence of a pressure-induced metallization process in monoclinic VO2
Published in Physical review letters (11-05-2007)“…Raman and combined infrared transmission and reflectivity measurements were carried out at room temperature (RT) on monoclinic VO2 over the 0-19 GPa and 0-14…”
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14
Mottness at finite doping and charge instabilities in cuprates
Published in Nature physics (01-08-2017)“…The influence of Mott physics on the doping–temperature phase diagram of copper oxides represents a major issue that is the subject of intense theoretical and…”
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15
Diffractive shadowing of coherent polarization radiation
Published in Physics letters. A (05-03-2021)“…•Study of the shadowing of coherent of polarization radiation.•Shadowing effects disappear for distances much shorter than those predicted.•The diffraction…”
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16
Femtosecond timing-jitter between photo-cathode laser and ultra-short electron bunches by means of hybrid compression
Published in New journal of physics (12-08-2016)“…The generation of ultra-short electron bunches with ultra-low timing-jitter relative to the photo-cathode (PC) laser has been experimentally proved for the…”
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17
Spectral Weight Redistribution in (LaNiO3)n/(LaMnO3)2 Superlattices from Optical Spectroscopy
Published in Physical review letters (17-04-2015)“…We have studied the optical properties of four (LaNiO3)n/(LaMnO3)2 superlattices (SL) (n=2,3,4,5) on SrTiO3 substrates. We have measured the reflectivity at…”
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18
Coherent THz Emission Enhanced by Coherent Synchrotron Radiation Wakefield
Published in Scientific reports (03-08-2018)“…We demonstrate that emission of coherent transition radiation by a ∼1 GeV energy-electron beam passing through an Al foil is enhanced in intensity and extended…”
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19
Optical conductivity measurements of GaTa4Se8 under high pressure: evidence of a bandwidth-controlled insulator-to-metal Mott transition
Published in Physical review letters (18-01-2013)“…The optical properties of a GaTa(4)Se(8) single crystal are investigated under high pressure. At ambient pressure, the optical conductivity exhibits a charge…”
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20
The strength of electron electron correlation in Cs3C60
Published in Scientific reports (15-10-2015)“…Cs 3 C 60 is an antiferromagnetic insulator that under pressure (P) becomes metallic and superconducting below T c = 38 K . The superconducting dome present…”
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