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Ab initio design of 2D spintronic materials: engineering magnetism and ferroelectricity through defects and doping

Two-dimensional (2D) materials and their van der Waals (vdW) heterostructures offer unprecedented opportunities for engineering magnetic and ferroelectric properties at the atomic scale. Reduced dimensionality enhances interlayer interactions, symmetry breaking, and spin-orbit coupling (SOC), making these systems promising platforms for next-generation spintronic and multiferroic devices. Achieving robust and tunable ferroic behavior in the 2D limit requires a microscopic understanding of how...

Relative Quot schemes over families of smooth and nodal curves

The present work studies relative Quot schemes parameterizing locally free sheaf quotients with zero--dimensional support on the fibers of a morphism. We focus on families of smooth curves with at most nodal singularities, as well as families of smooth, higher dimensional varieties. The thesis is organized around three projects, which explore both geometric and combinatorial aspects of these relative Quot schemes. The first project, carried out in collaboration with Barbara Fantechi and...

Aspects of entanglement in holography, harmonic lattices and non-relativistic quantum field theories

This thesis presents three studies elucidating aspects of entnaglement entropy in holography, harmonic lattices and non-realtivistic quantum field theory. In the first part we review the geodesic bit thread forumlation for holographic entanglement entropy and show that in presence of an event horizon we can recover the holographic thermal entropy. In the second part we study the entanglement hamiltonian for a two-interval system in a harmonic lattice, in both the massless and super massiv...

Entanglement and Asymmetry in Quantum Field Theory

This thesis investigates the use of concepts from quantum information theory to analyze and quantify symmetry breaking in extended quantum systems, particularly focusing on the key measure known as Entanglement Asymmetry. The core of the work introduces and applies Entanglement Asymmetry. This quantity is defined based on the difference in information content between a quantum state and a version of that state where the symmetry has been enforced (or "symmetrized"). It represents an altern...

Entanglement asymmetry in CFT with boundary symmetry breaking

We examine the behavior of the entanglement asymmetry in the ground state of a (1+1)-dimensional conformal field theory with a boundary condition that explicitly breaks a bulk symmetry. Our focus is on the asymmetry of a subsystem A originating from the symmetry-breaking boundary and extending into a semi-infinite bulk. By employing the twist field formalism, we derive a universal expression for the asymmetry, showing that the asymptotic behavior for large subsystems is approached algebraical...

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Tipologia
  • 1 Article10858
  • 8 Thesis2470
  • 4 Conference object775
  • 2 Book part335
  • 3 Book62
  • 5 Other25
  • 6 Patent22
  • 7 Trusteeship14
Autore
  • Baccigalupi, Carlo366
  • Legname, Giuseppe365
  • Danese, Luigi322
  • Calabrese, Pasquale266
  • Bressan, Alessandro263
  • Lapi, Andrea252
  • Viel, Matteo248
  • Rozza, Gianluigi243
  • Baroni, Stefano227
  • Liberati, Stefano226
Data di pubblicazione
  • In corso di stampa15
  • 2020 - 20263202
  • 2010 - 20195439
  • 2000 - 20093508
  • 1990 - 19991686
  • 1980 - 1989621
  • 1970 - 197976
  • 1962 - 196914
Editore
  • SISSA2423
  • Springer122
  • World Scientific46
  • Elsevier24
  • IEEE21
  • Cambridge University Press20
  • Oxford University Press19
  • Springer International Publishing14
  • American Institute of Physics13
  • Sissa Medialab Srl12
Rivista
  • JOURNAL OF HIGH ENERGY PHYSICS495
  • MONTHLY NOTICES OF THE ROYAL ASTR...445
  • ASTRONOMY & ASTROPHYSICS417
  • PHYSICAL REVIEW LETTERS396
  • PHYSICAL REVIEW. B, CONDENSED MAT...339
  • THE ASTROPHYSICAL JOURNAL239
  • JOURNAL OF COSMOLOGY AND ASTROPAR...238
  • PHYSICAL REVIEW. B205
  • PHYSICAL REVIEW D, PARTICLES, FIE...197
  • NUCLEAR PHYSICS. B195
Serie
  • AIP CONFERENCE PROCEEDINGS19
  • LECTURE NOTES IN PHYSICS14
  • PROCEEDINGS OF SPIE, THE INTERNAT...13
  • LECTURE NOTES IN COMPUTATIONAL SC...12
  • PROCEEDINGS OF THE IEEE CONFERENC...12
  • LECTURE NOTES IN COMPUTER SCIENCE8
  • LECTURE NOTES IN MATHEMATICS8
  • ASTRONOMICAL SOCIETY OF THE PACIF...7
  • SPRINGER INDAM SERIES7
  • ADVANCES IN NEURAL INFORMATION PR...5
Settore disciplinare
  • Settore FIS/05 - Astronomia e Ast...2020
  • Settore FIS/03 - Fisica della Mat...1755
  • Settore FIS/02 - Fisica Teorica, ...1623
  • Settore MAT/05 - Analisi Matematica762
  • Settore BIO/09 - Fisiologia549
  • Settore MAT/07 - Fisica Matematica537
  • Settore M-PSI/02 - Psicobiologia ...412
  • Settore MAT/08 - Analisi Numerica334
  • Settore MAT/03 - Geometria277
  • Settore FIS/07 - Fisica Applicata...188
Keyword
  • Humans135
  • Animals104
  • Cosmic background radiation87
  • High Energy Physics - Theory81
  • dark matter80
  • Cosmology: observations78
  • General Relativity and Quantum Co...75
  • galaxies: evolution73
  • Astronomy and Astrophysics72
  • Galaxies69
Lingua
  • eng13361
  • ita422
  • Inglese146
  • fre12
  • Italiano7
  • und5
  • rus2
  • ger1
  • spa1
Accesso al fulltext
  • open5787
  • no fulltext4888
  • reserved3551
  • partially open294
  • embargoed38
  • mixed3