10107213
FI8DJA69
https://www.phys.ens.psl.eu/~nascimbene/publications/custom_numbered0.csl
50
date
title
485
http://quantumgases-pariscdf.fr/wp-content/plugins/zotpress/
%7B%22status%22%3A%22success%22%2C%22updateneeded%22%3Afalse%2C%22instance%22%3A%22zotpress-742a54fa498f30e036b3c1167aadfb55%22%2C%22meta%22%3A%7B%22request_last%22%3A0%2C%22request_next%22%3A0%2C%22used_cache%22%3Atrue%7D%2C%22data%22%3A%5B%7B%22key%22%3A%22T36EH5UK%22%2C%22library%22%3A%7B%22id%22%3A10107213%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Lecomte%20et%20al.%22%2C%22parsedDate%22%3A%222024-07-11%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%201.35%3B%20%5C%22%3E%5Cn%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EM.%20Lecomte%2C%20A.%20Journeaux%2C%20J.%20Veschambre%2C%20J.%20Dalibard%2C%20and%20R.%20Lopes%2C%20%3Ci%3E%3Ca%20href%3D%27http%3A%5C%2F%5C%2Farxiv.org%5C%2Fabs%5C%2F2407.08702%27%3EProduction%20and%20stabilization%20of%20a%20spin%20mixture%20of%20ultracold%20dipolar%20Bose%20gases%3C%5C%2Fa%3E%3C%5C%2Fi%3E%2C%20arXiv%3A2407.08702.%3C%5C%2Fdiv%3E%5Cn%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22preprint%22%2C%22title%22%3A%22Production%20and%20stabilization%20of%20a%20spin%20mixture%20of%20ultracold%20dipolar%20Bose%20gases%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Maxime%22%2C%22lastName%22%3A%22Lecomte%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Alexandre%22%2C%22lastName%22%3A%22Journeaux%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Julie%22%2C%22lastName%22%3A%22Veschambre%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jean%22%2C%22lastName%22%3A%22Dalibard%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Raphael%22%2C%22lastName%22%3A%22Lopes%22%7D%5D%2C%22abstractNote%22%3A%22Mixtures%20of%20ultracold%20gases%20with%20long-range%20interactions%20are%20expected%20to%20open%20new%20avenues%20in%20the%20study%20of%20quantum%20matter.%20Natural%20candidates%20for%20this%20research%20are%20spin%20mixtures%20of%20atomic%20species%20with%20large%20magnetic%20moments.%20However%2C%20the%20lifetime%20of%20such%20assemblies%20can%20be%20strongly%20affected%20by%20the%20dipolar%20relaxation%20that%20occurs%20in%20spin-flip%20collisions.%20Here%20we%20present%20experimental%20results%20for%20a%20mixture%20composed%20of%20the%20two%20lowest%20Zeeman%20states%20of%20%24%5E%7B162%7D%24Dy%20atoms%2C%20that%20act%20as%20dark%20states%20with%20respect%20to%20a%20light-induced%20quadratic%20Zeeman%20effect.%20We%20show%20that%2C%20due%20to%20an%20interference%20phenomenon%2C%20the%20rate%20for%20such%20inelastic%20processes%20is%20dramatically%20reduced%20with%20respect%20to%20the%20Wigner%20threshold%20law.%20Additionally%2C%20we%20determine%20the%20scattering%20lengths%20characterizing%20the%20s-wave%20interaction%20between%20these%20states%2C%20providing%20all%20necessary%20data%20to%20predict%20the%20miscibility%20range%20of%20the%20mixture%2C%20depending%20on%20its%20dimensionality.%22%2C%22genre%22%3A%22%22%2C%22repository%22%3A%22arXiv%22%2C%22archiveID%22%3A%22arXiv%3A2407.08702%22%2C%22date%22%3A%222024-07-11%22%2C%22DOI%22%3A%2210.48550%5C%2FarXiv.2407.08702%22%2C%22citationKey%22%3A%22%22%2C%22url%22%3A%22http%3A%5C%2F%5C%2Farxiv.org%5C%2Fabs%5C%2F2407.08702%22%2C%22language%22%3A%22%22%2C%22collections%22%3A%5B%22FI8DJA69%22%2C%22SMTHG4E4%22%2C%22IBRWV7R7%22%5D%2C%22dateModified%22%3A%222024-08-01T07%3A21%3A39Z%22%7D%7D%2C%7B%22key%22%3A%227NU9UD5C%22%2C%22library%22%3A%7B%22id%22%3A10107213%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Lecomte%20et%20al.%22%2C%22parsedDate%22%3A%222024-02-14%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%201.35%3B%20%5C%22%3E%5Cn%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3EM.%20Lecomte%2C%20A.%20Journeaux%2C%20L.%20Renaud%2C%20J.%20Dalibard%2C%20and%20R.%20Lopes%2C%20%3Ci%3E%3Ca%20href%3D%27https%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevA.109.023319%27%3ELoss%20features%20in%20ultracold%20%24%5E%7B162%7D%5C%5Cmathrm%7BDy%7D%24%20gases%3A%20Two-%20versus%20three-body%20processes%3C%5C%2Fa%3E%3C%5C%2Fi%3E%2C%20Phys.%20Rev.%20A%20%3Cb%3E109%3C%5C%2Fb%3E%2C%20023319%20%282024%29.%3C%5C%2Fdiv%3E%5Cn%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Loss%20features%20in%20ultracold%20%24%5E%7B162%7D%5C%5Cmathrm%7BDy%7D%24%20gases%3A%20Two-%20versus%20three-body%20processes%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Maxime%22%2C%22lastName%22%3A%22Lecomte%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Alexandre%22%2C%22lastName%22%3A%22Journeaux%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Loan%22%2C%22lastName%22%3A%22Renaud%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jean%22%2C%22lastName%22%3A%22Dalibard%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Raphael%22%2C%22lastName%22%3A%22Lopes%22%7D%5D%2C%22abstractNote%22%3A%22Dipolar%20gases%20like%20erbium%20and%20dysprosium%20have%20a%20dense%20spectrum%20of%20resonant%20loss%20features%20associated%20with%20their%20strong%20anisotropic%20interaction%20potential.%20These%20resonances%20display%20various%20behaviors%20with%20density%20and%20temperature%2C%20implying%20diverse%20microscopic%20properties.%20Here%20we%20quantitatively%20investigate%20the%20low-field%20%28B%3C6G%29%20loss%20features%20in%20ultracold%20thermal%20samples%20of%20Dy162.%20The%20atoms%20are%20spin%20polarized%20in%20their%20lowest%20internal%20state%20so%20that%20pure%20two-body%20losses%20due%20to%20spin%20relaxation%20are%20forbidden.%20However%2C%20our%20analysis%20reveals%20that%20some%20resonances%20lead%20to%20a%20two-body-like%20decay%20law%2C%20while%20others%20show%20the%20expected%20three-body%20decay.%20We%20present%20microscopic%20one-step%20and%20two-step%20models%20for%20these%20losses%2C%20investigate%20their%20temperature%20dependence%2C%20and%20detect%20a%20feature%20compatible%20with%20a%20d-wave%20Fano-Feshbach%20resonance%20that%20has%20not%20been%20observed%20before.%20We%20also%20report%20the%20variation%20of%20the%20scattering%20length%20around%20these%20resonances%2C%20inferred%20from%20the%20time-of-flight%20expansion%20of%20the%20condensate.%22%2C%22date%22%3A%222024-02-14%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevA.109.023319%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevA.109.023319%22%2C%22collections%22%3A%5B%22FI8DJA69%22%2C%22SMTHG4E4%22%2C%22IBRWV7R7%22%5D%2C%22dateModified%22%3A%222024-04-21T17%3A18%3A00Z%22%7D%7D%2C%7B%22key%22%3A%226HQJ5S4K%22%2C%22library%22%3A%7B%22id%22%3A10107213%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Lopes%22%2C%22parsedDate%22%3A%222021-09-10%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%201.35%3B%20%5C%22%3E%5Cn%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%20style%3D%5C%22clear%3A%20left%3B%20%5C%22%3E%5Cn%20%3Cdiv%20class%3D%5C%22csl-left-margin%5C%22%20style%3D%5C%22float%3A%20left%3B%20padding-right%3A%200.5em%3B%20text-align%3A%20right%3B%20width%3A%201em%3B%5C%22%3E1.%3C%5C%2Fdiv%3E%3Cdiv%20class%3D%5C%22csl-right-inline%5C%22%20style%3D%5C%22margin%3A%200%20.4em%200%201.5em%3B%5C%22%3ER.%20Lopes%2C%20%3Ci%3E%3Ca%20href%3D%27https%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevA.104.033313%27%3ERadio-frequency%20evaporation%20in%20an%20optical%20dipole%20trap%3C%5C%2Fa%3E%3C%5C%2Fi%3E%2C%20Phys.%20Rev.%20A%20%3Cb%3E104%3C%5C%2Fb%3E%2C%20033313%20%282021%29.%3C%5C%2Fdiv%3E%5Cn%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22Radio-frequency%20evaporation%20in%20an%20optical%20dipole%20trap%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Raphael%22%2C%22lastName%22%3A%22Lopes%22%7D%5D%2C%22abstractNote%22%3A%22We%20present%20an%20evaporative%20cooling%20technique%20for%20atoms%20trapped%20in%20an%20optical%20dipole%20trap%20that%20benefits%20from%20narrow%20optical%20transitions.%20For%20an%20appropriate%20choice%20of%20wavelength%20and%20polarization%2C%20a%20single%20laser%20beam%20leads%20to%20opposite%20light%20shifts%20in%20two%20internal%20states%20of%20the%20lowest-energy%20manifold.%20Radio-frequency%20coupling%20between%20these%20two%20states%20results%20in%20evaporative%20cooling%20at%20a%20constant%20trap%20stiffness.%20The%20evaporation%20protocol%20is%20well%20adapted%20to%20several%20atomic%20species%2C%20in%20particular%20to%20the%20case%20of%20Lanthanides%20such%20as%20Er%2C%20Dy%2C%20and%20fermionic%20Yb%2C%20but%20also%20to%20alkali-earth%20metals%20such%20as%20fermionic%20Sr.%20We%20derive%20the%20dimensionless%20expressions%20that%20allow%20us%20to%20estimate%20the%20evaporation%20efficiency.%20As%20a%20concrete%20example%2C%20we%20consider%20the%20case%20of%20Dy162%20and%20present%20a%20numerical%20analysis%20of%20the%20evaporation%20in%20a%20dipole%20trap%20near%20the%20J%5Cu2032%3DJ%20optical%20transition%20at%20832nm.%20We%20show%20that%20this%20technique%20can%20lead%20to%20runaway%20evaporation%20in%20a%20minimalist%20experimental%20setup.%22%2C%22date%22%3A%222021-09-10%22%2C%22language%22%3A%22%22%2C%22DOI%22%3A%2210.1103%5C%2FPhysRevA.104.033313%22%2C%22ISSN%22%3A%22%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Flink.aps.org%5C%2Fdoi%5C%2F10.1103%5C%2FPhysRevA.104.033313%22%2C%22collections%22%3A%5B%22FI8DJA69%22%2C%22SMTHG4E4%22%2C%22IBRWV7R7%22%5D%2C%22dateModified%22%3A%222022-10-01T14%3A55%3A38Z%22%7D%7D%5D%7D
1.
M. Lecomte, A. Journeaux, J. Veschambre, J. Dalibard, and R. Lopes, Production and stabilization of a spin mixture of ultracold dipolar Bose gases, arXiv:2407.08702.
1.
M. Lecomte, A. Journeaux, L. Renaud, J. Dalibard, and R. Lopes, Loss features in ultracold $^{162}\mathrm{Dy}$ gases: Two- versus three-body processes, Phys. Rev. A 109, 023319 (2024).
1.
R. Lopes, Radio-frequency evaporation in an optical dipole trap, Phys. Rev. A 104, 033313 (2021).