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Reverse engineering in many-body quantum physics: Correspondence between many-body systems and effective single-particle equations
(AMER PHYSICAL SOC, 2009)
The mapping, exact or approximate, of a many-body problem onto an effective single-body problem is one of the most widely used conceptual and computational tools of physics. Here, we propose and investigate the inverse map ...
Dimensional effects on the momentum distribution of bosonic trimer states
(2013-01-11)
The momentum distribution is a powerful probe of strongly interacting systems that are expected to display universal behavior. This is contained in the contact parameters which relate few- and many-body properties. Here ...
Dimensional effects on the momentum distribution of bosonic trimer states
(2013-01-11)
The momentum distribution is a powerful probe of strongly interacting systems that are expected to display universal behavior. This is contained in the contact parameters which relate few- and many-body properties. Here ...
Limit cycles in the spectra of mass imbalanced many-boson system
(2020-10-29)
The independence between few-body scales beyond the van der Waals universality is demonstrated for the extreme mass-imbalanced case of a specific many-boson system. This finding generalizes the scaling properties of universal ...
Applying many-body expansion aiming to make ab in initio molecular dynamics more efficient
(Sociedade Brasileira de FísicaÁguas de Lindóia, 2013-05-13)
In this present work we present a methodology that aims to apply the many-body expansion to decrease the computational cost of ab initio molecular dynamics, keeping acceptable accuracy on the results. We implemented this ...
Q-deformed fermionic Lipkin model at finite temperature
(1997-08-15)
The interplay between temperature and q-deformation in the phase transition properties of many-body systems is studied in the particular framework of the collective q-deformed fermionic Lipkin model. It is shown that in ...
Work statistics for sudden quenches in interacting quantum many body systems
(American Physical Society, 2019-11-25)
Work in isolated quantum systems is a random variable and its probability distribution function obeys the celebrated fluctuation theorems of Crooks and Jarzynski. In this study, we provide a simple way to describe the work ...