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Akademický článek
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Publikováno v:
Suchttherapie; 2024, Vol. 25 Issue 2, p76-82, 7p
Publikováno v:
Phys. Rev. A 76, 012720 (2007)
Since the early days of quantum physics, the complex behavior of three interacting particles has been the subject of numerous experimental and theoretical studies. In a recent Letter to Nature, Kraemer et al. [Nature (London) 440, 315 (2006)] report
Externí odkaz:
http://arxiv.org/abs/cond-mat/0702178
Publikováno v:
Physical Review A 75, 013606 (2007)
We study the process of associating molecules from atomic gases using a magnetic field modulation that is resonant with the molecular binding energy. We show that maximal conversion is obtained by optimising the amplitude and frequency of the modulat
Externí odkaz:
http://arxiv.org/abs/cond-mat/0609725
Publikováno v:
Physical Review A 74, 023618 (2006)
We study the dissociation of Feshbach molecules by a magnetic field sweep across a zero-energy resonance. In the limit of an instantaneous magnetic field change, the distribution of atomic kinetic energy can have a peak indicating dominance of the mo
Externí odkaz:
http://arxiv.org/abs/cond-mat/0605143
Publikováno v:
Rev. Mod. Phys. 78, 1311 (2006)
Magnetically tunable Feshbach resonances were employed to associate cold diatomic molecules in a series of experiments involving both atomic Bose as well as two spin component Fermi gases. This review illustrates theoretical concepts of both the part
Externí odkaz:
http://arxiv.org/abs/cond-mat/0601420
Publikováno v:
Phys.Rev.A72:013610,2005
We use the standard fermionic and boson-fermion Hamiltonians to study the BCS-BEC cross-over near the 202 G resonance in a two-component mixture of fermionic 40K atoms employed in the experiment of C.A. Regal et al., Phys. Rev. Lett. 92, 040403 (2004
Externí odkaz:
http://arxiv.org/abs/cond-mat/0501728
Autor:
Stoll, Martin, Koehler, Thorsten
Publikováno v:
Phys. Rev. A 72, 022714 (2005)
We study the possibility of associating meta-stable Efimov trimers from three free Bose atoms in a tight trap realised, for instance, via an optical lattice site or a microchip. The suggested scheme for the production of these molecules is based on m
Externí odkaz:
http://arxiv.org/abs/cond-mat/0410765
Publikováno v:
Phys. Rev. Lett. 93, 260403 (2004)
We provide a practical approach to the molecular production via linear downward sweeps of Feshbach resonances in degenerate Fermi gases containing incoherent mixtures of two atomic spin states. We show that the efficiency of the association of atoms
Externí odkaz:
http://arxiv.org/abs/cond-mat/0409192