support from the RGC through 16306119,16302420,16302821,16306321,16306922,16302123,C6009-20G,N-HKUST636-22,and RFS21226S04;support from the Guangzhou and Nansha District Postdoctoral Project;support from the RGC for RGC Postdoctoral fellowship。
We outline an experimental setup for efficiently preparing a tweezer array of^(88)Sr atoms.Our setup uses permanent magnets to maintain a steady-state two-dimensional magneto-optical trap(MOT)which results in a loadin...
supported by the National Key R&D Program of China(Grant No.2021YFA1400500);New Cornerstone Science Foundation through the New Cornerstone Investigator Program,and the XPLORER Prize.
The next-generation hot-carrier solar cells,which can overcome the Shockley-Queisser limit by harvesting excessenergy from hot carriers,are receiving increasing attention.Lead halide perovskite(LHP)materials are consi...
Project supported by the National Natural Science Foundation of China(Grant No.51701180);the Foundation of the State Key Laboratory of Coal Conversion,China(Grant No.J22-23-103)。
The structural transformation from a liquid into a crystalline solid is an important subject in condensed matter physics and materials science. In the present study, first-principles molecular dynamics calculations ar...
Passive daytime radiative cooling is achieved by radiating heat into outer space through electromagnetic waves without energy consumption. A scalable double-layer coating with a mixture of TiO_(2), SiO_(2), and Si_(3)...
the National Key R&D Program of China(Grant No.2017YFA0304401);the Technical Innovation Program of Hubei Province(Grant No.2018AAA045);the National Natural Science Foundation of China(Grant No.11904387)。
We report on electromagnetically induced transparency cooling of ^(40)Ca^(+)to sympathetically cool the threedimensional secular modes of motion in a ^(40)Ca^(+)–^(27)Al^(+)two-ion pair near the ground state.We obser...
the National Natural Science Foundation of China(Grant No.91636216);the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB21020200).
We study the spatial structure and sympathetic cooling of the bi-component Coulomb crystal(CC),which consists of approximate 450^(9)Be^(+)ions and 450^(40)Ca^(+)ions with a mass ratio of 0.225 in a segmented linear io...
supported by Key Research Program of Frontier Sciences,CAS(Grant No.ZDBS-LY-SLH0010);Beijing Natural Science Foundation(Grant No.JQ21002);Beijing Council of Science and Technology(Grant Nos.Z201100008420006 and Z211100004021012)
With thermal fluctuation strongly suppressed,low temperature environment is essential for studies of condensed matter physics and developments of quantum technologies.Ultra-low temperature below 20 m K has demonstrate...
Project supported by the National Natural Science Foundation of China(Grant No.U20A2075).
Sideband cooling is a key technique for improving the performance of optical atomic clocks by preparing cold atoms and single ions into the ground vibrational state.In this work,we demonstrate detailed experimental re...
Project supported by the Beijing Natural Science Foundation(Grant No.1202011);the Tsinghua University Initiative Scientific Research Program,the National Natural Science Foundation of China(Grant No.12073015);the National Key Research and Development Program of China(Grant No.2016YFA0302101).
Molecular dynamics simulation of a sympathetically-cooled ^(113)Cd^(+)ion crystal system is achieved.Moreover,the relationship between ions’axial temperature and different electric parameters,including radio frequenc...
the National Key R&D Program of China(Grant No.2016YFA0301802);the National Natural Science Foundation of China(Grant Nos.61521001,11474153,and 11890704);the Key R/D Program of Guangdong Province,China(Grant No.2018B030326001)。
We demonstrate an active reset protocol in a superconducting quantum circuit.The thermal population on the excited state of a transmon qubit is reduced through driving the transitions between the qubit and an ancillar...