Zobrazeno 1 - 10
of 452
pro vyhledávání: '"Parola Alberto"'
We explore the ground-state properties of a one-dimensional model with two orbitals per site, where, in addition to atomic energies $\pm M$, intra- and inter-orbital hoppings, the intra-orbital Hubbard ($U$) and nearest-neighbor density-density ($V$)
Externí odkaz:
http://arxiv.org/abs/2412.05975
The motion of a fluid induced by thermal gradients in the absence of driving forces is known as thermo-osmosis. The physical explanation of this phenomenon stems from the emergence of gradients in the tangential pressure due to the presence of a conf
Externí odkaz:
http://arxiv.org/abs/2411.07904
The $U(1)$ Dirac spin liquid might realize an exotic phase of matter whose low-energy properties are described by quantum electrodynamics in $2+1$ dimensions, where gapless modes exists but spinons and gauge fields are strongly coupled. Its existence
Externí odkaz:
http://arxiv.org/abs/2410.18747
Publikováno v:
npj Schizophrenia, Vol 7, Iss 1, Pp 1-9 (2021)
Abstract Patients with schizophrenia (SCZ) have a core impairment in the communicative-pragmatic domain, characterized by severe difficulties in correctly inferring the speaker’s communicative intentions. While several studies have investigated pra
Externí odkaz:
https://doaj.org/article/75c88e0e6f284d6dbaeb1e71fb0c269b
Autor:
Viteritti, Luciano Loris, Rende, Riccardo, Parola, Alberto, Goldt, Sebastian, Becca, Federico
Understanding quantum magnetism in two-dimensional systems represents a lively branch in modern condensed-matter physics. In the presence of competing super-exchange couplings, magnetic order is frustrated and can be suppressed down to zero temperatu
Externí odkaz:
http://arxiv.org/abs/2311.16889
Autor:
Piccioni, Davide, Apostoli, Christian, Becca, Federico, Mazzola, Guglielmo, Parola, Alberto, Sorella, Sandro, Santoro, Giuseppe E.
Publikováno v:
Phys. Rev. B 108, 104417 (2023)
We show that a two-body Jastrow wave function is able to capture the ground-state properties of the $S=1$ antiferromagnetic Heisenberg chain with the single-ion anisotropy term, in both the topological and trivial phases. Here, the optimized Jastrow
Externí odkaz:
http://arxiv.org/abs/2305.14162
Autor:
Hansen, Lasse, Rocca, Roberta, Simonsen, Arndis, Parola, Alberto, Bliksted, Vibeke, Ladegaard, Nicolai, Bang, Dan, Tylén, Kristian, Weed, Ethan, Østergaard, Søren Dinesen, Fusaroli, Riccardo
Speech patterns have been identified as potential diagnostic markers for neuropsychiatric conditions. However, most studies only compare a single clinical group to healthy controls, whereas clinical practice often requires differentiating between mul
Externí odkaz:
http://arxiv.org/abs/2301.06916
Thermal forces drive several nonequilibrium phenomena able to set a fluid in motion without pressure gradients. Although the most celebrated effect is thermophoresis, also known as Ludwig-Soret effect, probably the simplest example where thermal forc
Externí odkaz:
http://arxiv.org/abs/2203.06987
Publikováno v:
Phys. Rev. B 106, L161106 (2022)
Taking the clue from the modern theory of polarization [R. Resta, Rev. Mod. Phys. {\bf 66}, 899 (1994)], we identify an operator to distinguish between ${\mathbb Z}_2$-even (trivial) and ${\mathbb Z}_2$-odd (topological) insulators in two spatial dim
Externí odkaz:
http://arxiv.org/abs/2202.12207
Autor:
Tettamanti, Manuele, Parola, Alberto
Publikováno v:
Phys. Rev. A 104, 043325 (2021)
The existence and stability of solitonic states in one-dimensional repulsive Bose-Einstein condensates is investigated within a fully many-body framework by considering the limit of infinite repulsion (Tonks-Girardeau gas). A class of stationary, sha
Externí odkaz:
http://arxiv.org/abs/2110.15140