Zobrazeno 1 - 10
of 430
pro vyhledávání: '"Mazzanti F."'
Probabilistic models in physics often require from the evaluation of normalized Boltzmann factors, which in turn implies the computation of the partition function Z. Getting the exact value of Z, though, becomes a forbiddingly expensive task as the s
Externí odkaz:
http://arxiv.org/abs/2404.11229
Publikováno v:
New Journal of Physics 26, 013052 (2024)
We report quantum Monte Carlo results of harmonically confined quantum Bose dipoles within a range of interactions covering the evolution from a gas phase to the formation of an array of droplets. Scaling the experimental setup to a computationally a
Externí odkaz:
http://arxiv.org/abs/2310.10222
Publikováno v:
SciPost Phys. 13, 031 (2022)
The energy of ultra-dilute quantum many-body systems is known to exhibit a universal dependence on the gas parameter $x=n a_0^d$, with $n$ the density, $d$ the dimensionality of the space ($d=1,2,3$) and $a_0$ the $s$-wave scattering length. The univ
Externí odkaz:
http://arxiv.org/abs/2112.11094
Publikováno v:
In Neurocomputing 28 December 2024 610
Fusion energy stands out as a promising alternative for a future decarbonised energy system. To be sustainable, future fusion nuclear reactors will have to produce their own tritium. In the so-called breeding blanket of a reactor, the neutron bombard
Externí odkaz:
http://arxiv.org/abs/2107.09017
Publikováno v:
Phys. Rev. A 102, 053308 (2020)
We analyze the role played by quantum fluctuations on a Raman Spin-Orbit Coupled system in the stripe phase. We show that beyond mean-field effects stabilize the collapse predicted by mean-field theory and induce the emergence of two phases: a gas an
Externí odkaz:
http://arxiv.org/abs/2007.04196
Akademický článek
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Publikováno v:
Phys. Rev. A 98, 053632 (2018)
We present two Diffusion Monte Carlo (DMC) algorithms for systems of ultracold quantum gases featuring synthetic spin-orbit interactions. The first one is a discrete spin generalization of the T- moves spin-orbit DMC, which provides an upper bound to
Externí odkaz:
http://arxiv.org/abs/1807.08123
Publikováno v:
Phys. Rev. Lett. 119, 250402 (2017)
We study the superfluid properties of a system of fully polarized dipolar bosons moving in the $xy$ plane. We focus on the general case where the polarization field forms an arbitrary angle $\alpha$ with respect to the $z$ axis, while the system is s
Externí odkaz:
http://arxiv.org/abs/1708.07673
Publikováno v:
Phys. Rev. A 94, 063630 (2016)
We study the ground state of a bilayer system of dipolar bosons with dipoles oriented by an external field perpendicularly to the two parallel planes. By decreasing the interlayer distance, for a fixed value of the strength of the dipolar interaction
Externí odkaz:
http://arxiv.org/abs/1608.07137