浙江大学物理学院：三维光学晶格中的超冷极性分子 Ultracold polar molecules in a 3D optical lattice

LNG UNN Ultracold polar molecules in a 3D optical lattice 颜波 Department of physics, Zhejiang University Hangzhou, China 2016-6-27

Ultracold polar molecules in a 3D optical lattice 颜波 Department of physics, Zhejiang University Hangzhou, China. 2016-6-27

Outline Why polar molecules Polar molecules in a 3D optical lattice Spin exchange interactions with polar molecules Increasing the lattice filling

Outline • Why polar molecules • Polar molecules in a 3D optical lattice • Spin exchange interactions with polar molecules • Increasing the lattice filling

Why molecules-Interaction effects BCs diatonic molee strongly interacting patrs Coope BEC-BCS crossover Quantum gas microscope, Penning trap of Be 儿LA Greiner group ions, Bollinger group Studying interactions Long range, anisotropIc, dipole-dipole Interactions 求 Microscopy of Rydberg Quantum chaos in er excitations, Bloch group KRb molecules Ferlaino group

Why molecules - Interaction effects Studying interactions Microscopy of Rydberg excitations, Bloch group Quantum chaos in Er, Ferlaino group Penning trap of Be ions, Bollinger group KRb molecules BEC-BCS crossover Jin group, JILA Quantum gas microscope, Greiner group Long range, anisotropic, dipole-dipole Interactions

Create ultracold polar molecules 87rb 40K Fermions Bosons 2 bound state in'closed'! colliding atoms in"open"channe OToYo ov=0,N=0,J=0 Inter-nuclear distance R

Create ultracold polar molecules w1 w2 3S 1S 3S 1P Inter-nuclear distance R Energy v = 0, N = 0, J = 0 6000 K

How to create ultracold molecules rb K Sr a rbcs NaK 」.W.Park,etal,PRL.114,205302(2015) T. Takekoshi, et al., PRL 113, 205301(2014) RnA P K. Molony, et al., PRL 113, 255301(2014) M.Y.Guo,etal,PRL.116,205303(2016)

How to create ultracold molecules Rb K Cs Na Li Sr Yb Ca Mg T. Takekoshi, et al., PRL 113, 205301 (2014) P. K. Molony, et al., PRL 113, 255301 (2014) RbCs NaK J. W. Park, et al., PRL. 114, 205302 (2015) RbNa M. Y. Guo, et al., PRL. 116, 205303 (2016)

Chemica| reactⅰon 0.4 E T=250 nK 3.3(7)×1012cm3 0.1 Rb rb ● KRb+KRb→K2+Rb2 8 Time(s) E 20Eo b0.1 0.0 E(kV cmr) Dipole moment, d(D) elkaus et al., Science 327, 853 (2010) Niet. al, Nature 464, 1324(2010)

Ospelkaus et. al., Science 327, 853 (2010) Ni et. al, Nature 464, 1324 (2010) Chemical reaction

quantum chemistry 10 10 10 0.000.050.100.150.20 Dipole moment(D) Ni, K K et al. Nature 464, 1324(2010) de miranda, M. H.G. et al. Nat. Phys. 7, 502(2011

quantum chemistry x y z E 24 µK Ni, K. K. et al. Nature 464, 1324 (2010) de Miranda, M. H. G. et al. Nat. Phys. 7, 502(2011)

quantum Zeno effect experiment ate enfield K N Dtnno K三 effo ff h21 Transverse Lattice Depth [ERl

quantum Zeno effect y ˆ x ˆ z ˆ t

Loading into a 3D lattice 15 10 0 Debye a 0.17 Debye 0 051015202530 Time(s) Chotia, et al., PRL 108, 080405(2012

Loading into a 3D lattice Chotia, et al., PRL 108, 080405 (2012)

Outline Why polar molecules Polar molecules in a 3D optical lattice Spin exchange interactions with polar molecules Increasing the lattice filling

Outline • Why polar molecules • Polar molecules in a 3D optical lattice • Spin exchange interactions with polar molecules • Increasing the lattice filling