Welcome !


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Bose-Bose mixture
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Group 2020
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Ultracold polar molecule
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Group 2017


News and Events


July and August, 2022

Congratulations to Fan and Junyu for succefully defendeding their PhD theses!

June, 2022

Our paper on the long nuclear spin coherence time for NaRb in optical lattices is published in Physical Review Letters

November 17, 2021

Congratulations to Zhichao Guo for succefully defendeding his thesis!

October, 2021

A joint paper with the Hannover group on loss mechanism of ultracold ground-state molecules is published in Physical Review Letters

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Sep. 14, 2021

Our paper on the Na-Rb heternuclear quantum droplet is published in Physical Review Research

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droplet

August, 2021

New graduate students Zhaopeng, Bo, Rongzi, and Chun Kit joined the group. Welcome!

July 15, 2021

Junyu He succefully defended her theis. Congratulations!

April, 2021

Lintao left for his postdoc in UIUC. Thanks for your contributions in the last several years and best luck!

Dec. 20, 2020

Last group meeting in this very difficult year! Goodbye 2020!

group photo 2020

Nov. 3, 2020

Lintao succefully defended his theis. Congratulations to Dr. Li!

August, 2020

New PhD student Zerong Huang joined the group. Welcome!

September, 2019

Former group member Mingyang Guo is awarded the Humboldt Fellowship. Congratulations, Dr. Guo! Enjoy your time in Stuttgart.

August, 2019

Welcome new graduate students Guanghua, Mucan and Tong.

Dec. 11, 2018

Paper on dipolar collisions between absolute ground-state NaRb molecules is published in Physical Review X.

Full-Control

November, 2018

New postdoc Dr. Lele Chen arrived. Welcome!

September, 2018

Zhichao was awarded the Best Poster prize in the Forum of the Young Scholars Conference on Cold Atom Physics 2018 (2018年冷原子物理青年學者學術討論會) held in Zhuhai, China. Nice job!

August, 2018

Mingyang left for his postdoc position in Stuttgart. Thanks for your contribution and good luck in Germany!

May, 2018:

Another milestone of our lab: double BEC of Na and Rb in (1D) optical lattices

OL double BEC

Feb. 26, 2018

Paper on full internal state control of NaRb is published in Physical Review A as a Rapid Communication. It's also selected as Editor's Suggestion. With the capability of vibrational control, we can investigate polar molecules with different chemical reactivity and interactions with a single molecular species!

Full-Control

Jan. 26, 2018

Paper on collisions of NaRb with different chemical reactivities is published on Science Advances.

NaRb-Collision

Dec. 13, 2017

Mingyang succefully defended his theis. Congratulations, Dr. Guo.

Nov. 15, 2017

Paper on STIRAP spectroscopy is published on Phys. Rev. A 96, 052505(2017).

August, 2017

Fan Jia and Junyu Lin joined the group. Welcome!

April, 2017

Mingyang and Zhenyu awarded the C. N. Yang scolarship. Congratulations!

Nov. 16, 2016

Paper on heternuclear four-body resonance is posted on arxiv.

dimer-dimer

August 25, 2016

Congratulations to Dr. Bing Zhu for passing his PhD defense successfully!

August, 2016

Junyu He, Wai Yin Yuen and Zhichao Guo joined the group, welcome!

July 29, 2016

Yau Lun and Hiu Sze won the 1st and 2nd best poster prizes during the poster presentation of the 2016 Undergraduate Student Summer Internship Program. Congratulations!

July, 2016

Mingyang gave a talk and a poster during the PhD Student Forum of the Young Scholars Conference on Cold Atom Physics 2016 (2016年冷原子物理青年學者學術討論會) in Wuhan, China and was awarded the Best Academic Exchange Prize (最佳學術交流獎). Well done!

June 27, 2016

Congratulations to Fudong for passing his PhD defense successfully. Great job, Dr. Wang!

May 19, 2016

Paper on creation of ground-state NaRb published on Physical Review Letters 116, 205303(2016) as an editor's suggestion.editor's suggetion

suggestion

May 9-13, 2016

Croucher Summer Course "Ultracold Atom Physics".

February 15, 2016

Paper on creation of ground-state NaRb posted on arXiv:1602.03947. A dipople moment of 1.06 D was demonstrated!

Stark

January 15, 2016

Long-range state spectroscopy paper published in Physical Review A 93, 012508(2016).

November 3, 2015

A milestone for our group: ground-state NaRb!

STIRAP

August 3, 2015

New graduate student Lintao Li joined our group. Welcome!

July 15, 2015

Xiaoke passed his PhD defense succefully! Congratulations, Dr. Li!

June 25, 2015

Double spinor paper published in Physical Review Letters 114, 255301(2015).

May 23, 2015

Rb BEC in the second setup!

New BEC

Long distance atom transport between MOT and science chambers

Transfer

March 30, 2015

Thermal Rb spinor oscillation paper published in Physical Review A.

March 6, 2015

Formation of ultracold NaRb Feshbach molecules published in New Journal of Physics.

Feburary, 2015

NaRb heteronuclear spinor paper posted on arxiv

Feburary, 2015

NaRb Feshbach molecules paper posted on arxiv

March, 2014

NaRb Feshbach molecules were created!

Feshbach molecule

August, 2013:

Observation of coherent heteronuclear spinor oscillations between spin-1 Na and Rb.

May, 2013:

Feshbach resonance paper published in PRA as a rapid commnication!

December, 2012:

With the help of sympathetic cooling, we are now producing BEC mixtures of Na and Rb! It is interesting to observe the interspecies interaction induced immiscibility between the two clouds. This is clearly visible from the TOF images.

Two BEC

October, 2012:

Feshbach resonances between Na and 87Rb are observed.

Feshbach resonance

May 14-17, 2012:

International Conference on Frontiers of Cold Atoms and Related Topics

April 11, 2012:

Our lab welcomed the birth of our first Bose-Einstein condensate. It was realized with the polular 87Rb atoms. This is also the first and only BEC in Hong Kong. The evaporation is carried out in a hybrid magnetic quadrupole + optical dipole trap.

Rb BEC

August 10, 2011:

Rb is loaded into the optical dipole trap

Rb dipole

May 20, 2011:

We observe the first Na MOT.

April 22, 2011:

Finally, we have some cold atoms. The first MOT of Rb is observed today!