Bloch oscillations and quench dynamics of interacting bosons in an optical lattice

E. Tiesinga; K. W. Mahmud; L. Jiang; P. R. Johnson

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Bloch oscillations and quench dynamics of interacting bosons in an optical lattice

K. W. Mahmud, L. Jiang, E. Tiesinga, P. R. Johnson

Quantum Gases · Submitted 18 Oct 2013

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim We perform theoretical modelling of this system, identify experimental challenges and explore a new regime of Bloch oscillations characterized by interaction-induced matter-wave collapse and revivals which modify the Bloch oscillations dynamics.

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arXiv ID1310.4967 (version 1)

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CitationE. Tiesinga, K. W. Mahmud, L. Jiang, P. R. Johnson. "Bloch oscillations and quench dynamics of interacting bosons in an optical lattice." arXiv:1310.4967 (2013). https://pith.science/paper/EL4K5YHD

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What the abstract itself states, as probabilities: claims first 0.06 · states limitation 0.74 · human participants 0.01 · controlled comparison 0.05 · randomized assignment 0.01 · states quantitative result 0.06 · compares with prior results 0.09 · mentions code or data availability 0.02.

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We study the dynamics of interacting superfluid bosons in a one dimensional vertical optical lattice after a sudden increase of the lattice potential depth. We show that this system can be exploited to investigate the effects of strong interactions on Bloch oscillations. We perform theoretical modelling of this system, identify experimental challenges and explore a new regime of Bloch oscillations characterized by interaction-induced matter-wave collapse and revivals which modify the Bloch oscillations dynamics. In addition, we study three dephasing mechanisms: effective three-body interactions, finite value of tunneling, and a background harmonic potential. We also find that the center of mass motion in the presence of finite tunneling goes through collapse and revivals, giving an example of quantum transport where interaction induced revivals are important. We quantify the effects of residual harmonic trapping on the momentum distribution dynamics and show the occurrence of interaction-modified temporal Talbot effect. Finally, we analyze the prospects and challenges of exploiting Bloch oscillations of cold atoms in the strongly interacting regime for precision measurement of the gravitational acceleration $g$.

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What the classifier reports for each sentence. The number is the probability it gave the label.
#	sentence	role	the authors' own work	states the main conclusion	strength
s0	We study the dynamics of interacting superfluid bosons in a one dimensional vertical optical lattice after a sudden increase of the lattice potential depth.	contribution 0.96	0.84	0.03	asserted 0.83
s1	We show that this system can be exploited to investigate the effects of strong interactions on Bloch oscillations.	contribution 0.52	0.52	0.21	asserted 0.66
s2	We perform theoretical modelling of this system, identify experimental challenges and explore a new regime of Bloch oscillations characterized by interaction-induced matter-wave collapse and revivals which modify the Bloch oscillations dynamics.	contribution 0.94	0.95	0.42	asserted 0.99
s3	In addition, we study three dephasing mechanisms: effective three-body interactions, finite value of tunneling, and a background harmonic potential.	contribution 0.98	0.91	0.05	asserted 0.91
s4	We also find that the center of mass motion in the presence of finite tunneling goes through collapse and revivals, giving an example of quantum transport where interaction induced revivals are important.	result 0.97	0.95	0.14	asserted 1.00
s5	We quantify the effects of residual harmonic trapping on the momentum distribution dynamics and show the occurrence of interaction-modified temporal Talbot effect.	result 0.89	0.95	0.09	asserted 1.00
s6	Finally, we analyze the prospects and challenges of exploiting Bloch oscillations of cold atoms in the strongly interacting regime for precision measurement of the gravitational acceleration $g$.	contribution 0.53	0.83	0.22	hedged possibility 0.59

What kind of paper the classifier reports this is: theoretical result 0.83 · evidence from simulation or computation 0.94.

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Original abstract

We study the dynamics of interacting superfluid bosons in a one dimensional vertical optical lattice after a sudden increase of the lattice potential depth. We show that this system can be exploited to investigate the effects of strong interactions on Bloch oscillations. We perform theoretical modelling of this system, identify experimental challenges and explore a new regime of Bloch oscillations characterized by interaction-induced matter-wave collapse and revivals which modify the Bloch oscillations dynamics. In addition, we study three dephasing mechanisms: effective three-body interactions, finite value of tunneling, and a background harmonic potential. We also find that the center of mass motion in the presence of finite tunneling goes through collapse and revivals, giving an example of quantum transport where interaction induced revivals are important. We quantify the effects of residual harmonic trapping on the momentum distribution dynamics and show the occurrence of interaction-modified temporal Talbot effect. Finally, we analyze the prospects and challenges of exploiting Bloch oscillations of cold atoms in the strongly interacting regime for precision measurement of the gravitational acceleration $g$.

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In contrast, in Ref. [ref] the system is “quenched ” by suddenly changing $F_i→F_f$ by changing an applied magnetic field gradient.

Interaction-induced quantum phase revivals and evidence for the transition to the quantum chaotic regime in 1D atomic Bloch oscillations · System · 0.97

Cites as background 1 paper

We are also interested in the prospects for using Bloch oscillations of cold atoms for precision measurement of $g.$ Most experiments have previously focused on the mean-field regime [ref] , where up to 20000 BO have been observed, although very recently experiments [ref] have operated within the strongly-correlated, deep lattice regime.

Interaction-induced quantum phase revivals and evidence for the transition to the quantum chaotic regime in 1D atomic Bloch oscillations · Introduction · 0.87

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