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Št. zadetkov: 2
Quasicondensation and off-diagonal long-range order of hard-core bosons during a free expansion
A. Takács, S. Scopa, Pasquale Calabrese, Lev Vidmar, J. Dubail
Izvirni znanstveni članek
Oznake: kvantna mehanika;kvazikondenzacija;hidrodinamika;neravnovesna dinamika;bozoni;quasicondensation;hydrodynamics;nonequilibrium dynamics;quantum mechanics;bosons;
Quasicondensation in one dimension is known to occur for equilibrium systems of hard-core bosons (HCBs) at zero temperature. This phenomenon arises due to the off-diagonal long-range order in the ground state, characterized by a power-law decay of the one-particle density matrix $g_1(x,y) \sim |x-y| ...
Leto: 2024 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Anomalous diffusion in the long-range Haken-Strobl-Reineker model
A. G. Catalano, F. Mattiotti, J. Dubail, D. Hagenmüller, Tomaž Prosen, F. Franchini, Guido Pupillo
Izvirni znanstveni članek
Oznake: quantum mechanics;quantum gases;condensed matter physics;atoms;
We analyze the propagation of excitons in a $d$-dimensional lattice with power-law hopping $\propto 1/r^{\alpha}$ in the presence of dephasing, described by a generalized Haken-Strobl-Reineker model. We show that in the strong dephasing (quantum Zeno) regime the dynamics is described by a classical ...
Leto: 2023 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Št. zadetkov: 2
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