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Realization of Two-Dimensional Spin-orbit Coupling for Bose-Einstein Condensates

Cold atoms with laser-induced spin-orbit (SO) interactions provide intriguing new platforms to explore novel quantum physics beyond natural conditions of solids. Recent experiments demonstrated the one-dimensional (1D) SO coupling for boson and fermion gases. However, realization of 2D SO interactio... Full description

Journal Title: arXiv.org Nov 24, 2015
Main Author: Wu, Zhan
Other Authors: Zhang, Long , Sun, Wei , Xiao-Tian, Xu , Bao-Zong, Wang , Deng, Youjin , Chen, Shuai , Xiong-Jun, Liu , Jian-Wei, Pan
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: DOI: 10.1126/science.aaf6689
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recordid: proquest2080909176
title: Realization of Two-Dimensional Spin-orbit Coupling for Bose-Einstein Condensates
format: Article
creator:
  • Wu, Zhan
  • Zhang, Long
  • Sun, Wei
  • Xiao-Tian, Xu
  • Bao-Zong, Wang
  • Deng, Youjin
  • Chen, Shuai
  • Xiong-Jun, Liu
  • Jian-Wei, Pan
subjects:
  • Quantum Theory
  • Matter & Antimatter
  • Bose-Einstein Condensates
  • Superfluidity
  • Locking
  • Topology
  • Spin-Orbit Interactions
  • Cold Atoms
  • Crossovers
  • Fluids
  • Quantum Theory
  • Fermions
  • Couplings
  • Cold Spinning
  • Quantum Gases
  • Mesoscale and Nanoscale Physics
ispartof: arXiv.org, Nov 24, 2015
description: Cold atoms with laser-induced spin-orbit (SO) interactions provide intriguing new platforms to explore novel quantum physics beyond natural conditions of solids. Recent experiments demonstrated the one-dimensional (1D) SO coupling for boson and fermion gases. However, realization of 2D SO interaction, a much more important task, remains very challenging. Here we propose and experimentally realize, for the first time, 2D SO coupling and topological band with \(^{87}\)Rb degenerate gas through a minimal optical Raman lattice scheme, without relying on phase locking or fine tuning of optical potentials. A controllable crossover between 2D and 1D SO couplings is studied, and the SO effects and nontrivial band topology are observed by measuring the atomic cloud distribution and spin texture in the momentum space. Our realization of 2D SO coupling with advantages of small heating and topological stability opens a broad avenue in cold atoms to study exotic quantum phases, including the highly-sought-after...
language: eng
source:
identifier: DOI: 10.1126/science.aaf6689
fulltext: fulltext_linktorsrc
url: Link


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titleRealization of Two-Dimensional Spin-orbit Coupling for Bose-Einstein Condensates
creatorWu, Zhan ; Zhang, Long ; Sun, Wei ; Xiao-Tian, Xu ; Bao-Zong, Wang ; Deng, Youjin ; Chen, Shuai ; Xiong-Jun, Liu ; Jian-Wei, Pan
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ispartofarXiv.org, Nov 24, 2015
identifierDOI: 10.1126/science.aaf6689
subjectQuantum Theory ; Matter & Antimatter ; Bose-Einstein Condensates ; Superfluidity ; Locking ; Topology ; Spin-Orbit Interactions ; Cold Atoms ; Crossovers ; Fluids ; Quantum Theory ; Fermions ; Couplings ; Cold Spinning ; Quantum Gases ; Mesoscale and Nanoscale Physics
descriptionCold atoms with laser-induced spin-orbit (SO) interactions provide intriguing new platforms to explore novel quantum physics beyond natural conditions of solids. Recent experiments demonstrated the one-dimensional (1D) SO coupling for boson and fermion gases. However, realization of 2D SO interaction, a much more important task, remains very challenging. Here we propose and experimentally realize, for the first time, 2D SO coupling and topological band with \(^{87}\)Rb degenerate gas through a minimal optical Raman lattice scheme, without relying on phase locking or fine tuning of optical potentials. A controllable crossover between 2D and 1D SO couplings is studied, and the SO effects and nontrivial band topology are observed by measuring the atomic cloud distribution and spin texture in the momentum space. Our realization of 2D SO coupling with advantages of small heating and topological stability opens a broad avenue in cold atoms to study exotic quantum phases, including the highly-sought-after...
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titleRealization of Two-Dimensional Spin-orbit Coupling for Bose-Einstein Condensates
descriptionCold atoms with laser-induced spin-orbit (SO) interactions provide intriguing new platforms to explore novel quantum physics beyond natural conditions of solids. Recent experiments demonstrated the one-dimensional (1D) SO coupling for boson and fermion gases. However, realization of 2D SO interaction, a much more important task, remains very challenging. Here we propose and experimentally realize, for the first time, 2D SO coupling and topological band with \(^{87}\)Rb degenerate gas through a minimal optical Raman lattice scheme, without relying on phase locking or fine tuning of optical potentials. A controllable crossover between 2D and 1D SO couplings is studied, and the SO effects and nontrivial band topology are observed by measuring the atomic cloud distribution and spin texture in the momentum space. Our realization of 2D SO coupling with advantages of small heating and topological stability opens a broad avenue in cold atoms to study exotic quantum phases, including the highly-sought-after...
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abstractCold atoms with laser-induced spin-orbit (SO) interactions provide intriguing new platforms to explore novel quantum physics beyond natural conditions of solids. Recent experiments demonstrated the one-dimensional (1D) SO coupling for boson and fermion gases. However, realization of 2D SO interaction, a much more important task, remains very challenging. Here we propose and experimentally realize, for the first time, 2D SO coupling and topological band with \(^{87}\)Rb degenerate gas through a minimal optical Raman lattice scheme, without relying on phase locking or fine tuning of optical potentials. A controllable crossover between 2D and 1D SO couplings is studied, and the SO effects and nontrivial band topology are observed by measuring the atomic cloud distribution and spin texture in the momentum space. Our realization of 2D SO coupling with advantages of small heating and topological stability opens a broad avenue in cold atoms to study exotic quantum phases, including the highly-sought-after...
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