Collaborative Research: Correlated Superfluids and Insulators of Ultracold Fermionic Atomic Gases

合作研究:超冷费米原子气体的相关超流体和绝缘体

基本信息

  • 批准号:
    1318303
  • 负责人:
  • 金额:
    $ 15万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2013
  • 资助国家:
    美国
  • 起止时间:
    2013-01-01 至 2015-06-30
  • 项目状态:
    已结题

项目摘要

Ultracold atoms in optical lattices provide an ideal set up for realizing some of the most pristine pseudogap states currently known from theoretical studies. Those states could be fundamentally different from the poorly understood pseudogap state of high-temperature superconductors, while exhibiting a similar phenomenology due to significant quantum fluctuations. This project focuses on the theoretical investigation of unconventional superfluid and insulating states of ultracold fermions in optical lattices. The idea is to identify and characterize those states in resonantly paired fermions and systematically explore the phase diagram of pair-density-wave and Fulde-Ferrell-Larkin-Ovchinnikov states in realistic lattice potentials. One of our main goals is to unveil the minimal microscopic ingredients required for the existence of those states so that they can be realized in experiments. The research will mostly rely on the unique combination of numerical methods that the two PIs have advanced in their recent work: exact diagonalization and quantum Monte Carlo simulations (M.R.), and order-parameter-dependent free energy minimization (P.N.).This project will incorporate a broad outreach effort taking advantage of the location of George Mason and Georgetown Universities. Opportunities such as science fairs and public lectures will be used to attract high school and undergraduate students from Northern Virginia to pursue higher education and careers in science and engineering, as well as participate in the funded research projects. This grant will further facilitate the building of advanced research programs in atomic and condensed matter theory at George Mason and Georgetown Universities. Graduate students at both universities will receive training in high performance computing, and will gain experience performing highly parallel calculations in high performance computing centers within the US. We will encourage the participation of members of underrepresented groups in Physics and the results of this research will be reported in the joint conferences of the National Society of Black Physicists and the National Society of Hispanic Physicists.
光学晶格中的超冷原子为实现目前理论研究中已知的一些最原始的赝能隙态提供了理想的设置。这些状态可能与高温超导体中人们知之甚少的赝能隙态有着根本的不同,但由于显著的量子涨落,它们表现出类似的现象。 本计画主要研究超冷费米子在光晶格中的非传统超流态与绝缘态。其想法是识别和描述共振配对费米子中的这些状态,并系统地探索现实晶格势中对密度波和富尔德-费雷尔-拉金-奥夫钦尼科夫态的相图。我们的主要目标之一是揭示这些状态存在所需的最小微观成分,以便在实验中实现。这项研究将主要依赖于两个PI在最近的工作中提出的数值方法的独特组合:精确对角化和量子蒙特卡罗模拟(M.R.),和顺序参数依赖的自由能最小化(P.N.)。该项目将利用乔治梅森大学和乔治敦大学的地理位置,开展广泛的外联工作。将利用科学博览会和公开讲座等机会吸引来自北方弗吉尼亚州的高中生和本科生接受高等教育和从事科学与工程职业,并参与受资助的研究项目。这笔赠款将进一步促进乔治梅森大学和乔治敦大学在原子和凝聚态理论方面的先进研究计划的建设。这两所大学的研究生将接受高性能计算方面的培训,并将获得在美国高性能计算中心执行高度并行计算的经验。我们将鼓励物理学代表性不足的团体的成员参与,这项研究的结果将在全国黑人物理学家协会和全国西班牙裔物理学家协会的联合会议上报告。

项目成果

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Marcos Rigol其他文献

An exactly solvable model for the integrability–chaos transition in rough quantum billiards
粗糙量子台球中可积性-混沌转变的一个精确可解模型
  • DOI:
    10.1038/ncomms1653
  • 发表时间:
    2012-01-24
  • 期刊:
  • 影响因子:
    15.700
  • 作者:
    Maxim Olshanii;Kurt Jacobs;Marcos Rigol;Vanja Dunjko;Harry Kennard;Vladimir A. Yurovsky
  • 通讯作者:
    Vladimir A. Yurovsky
Exact numerical approach to hard-core bosons on one-dimensional lattices
  • DOI:
    10.1016/j.cpc.2005.03.092
  • 发表时间:
    2005-07-01
  • 期刊:
  • 影响因子:
  • 作者:
    Marcos Rigol;Alejandro Muramatsu
  • 通讯作者:
    Alejandro Muramatsu
Hard-core Bosons and Spinless Fermions Trapped on 1D Lattices
  • DOI:
    10.1007/s10909-005-2274-3
  • 发表时间:
    2005-02-15
  • 期刊:
  • 影响因子:
    1.400
  • 作者:
    Marcos Rigol;Alejandro Muramatsu
  • 通讯作者:
    Alejandro Muramatsu
Singlet pairing and superconductivity in .t−J. ladders with Mott insulating stripes
.tâJ 中的单线态配对和超导性。
  • DOI:
    10.1103/physrevb.98.121112
  • 发表时间:
    2018
  • 期刊:
  • 影响因子:
    3.7
  • 作者:
    Chen Cheng;Rubem Mondaini;Marcos Rigol
  • 通讯作者:
    Marcos Rigol
Kaleidoscope of exotic quantum phases in a frustrated XY model.
受挫 XY 模型中奇异量子相的万花筒。
  • DOI:
    10.1103/physrevlett.107.077201
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    8.6
  • 作者:
    C. Varney;Kai Sun;V. Galitski;Marcos Rigol
  • 通讯作者:
    Marcos Rigol

Marcos Rigol的其他文献

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{{ truncateString('Marcos Rigol', 18)}}的其他基金

Quantum Dynamics of Near-One-Dimensional Systems
近一维系统的量子动力学
  • 批准号:
    2309146
  • 财政年份:
    2023
  • 资助金额:
    $ 15万
  • 项目类别:
    Standard Grant
Expansion Dynamics and Prethermalization in Ultracold Quantum Gases
超冷量子气体的膨胀动力学和预热
  • 批准号:
    2012145
  • 财政年份:
    2020
  • 资助金额:
    $ 15万
  • 项目类别:
    Continuing Grant
Toward an Ab-initio Understanding of Ultracold Boson Experiments in One Dimension
从头开始理解一维超冷玻色子实验
  • 批准号:
    1707482
  • 财政年份:
    2017
  • 资助金额:
    $ 15万
  • 项目类别:
    Continuing Grant
Collaborative Research: Correlated Superfluids and Insulators of Ultracold Fermionic Atomic Gases
合作研究:超冷费米原子气体的相关超流体和绝缘体
  • 批准号:
    1205799
  • 财政年份:
    2012
  • 资助金额:
    $ 15万
  • 项目类别:
    Continuing Grant

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