Journal ArticleDOI
Binary mixtures of dilute bose gases with repulsive interactions at low temperature
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In this article, it was shown that a mixture of dilute hard-sphere Bose gases of different particle mass phase separate at zero temperature for short range repulsive irteractions for which no phase separation occurs.About:
This article is published in Annals of Physics.The article was published on 1963-10-01. It has received 63 citations till now. The article focuses on the topics: Phase (matter).read more
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Bright Soliton to Quantum Droplet Transition in a Mixture of Bose-Einstein Condensates.
TL;DR: It is shown theoretically that, depending on atom number and interaction strength, solitons and droplets can be smoothly connected or remain distinct states coexisting only in a bistable region.
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Three-dimensional droplets of swirling superfluids
Yaroslav V. Kartashov,Yaroslav V. Kartashov,Boris A. Malomed,Leticia Tarruell,Lluis Torner,Lluis Torner +5 more
TL;DR: In this article, a method for the creation of three-dimensional (3D) solitary topological modes, corresponding to vortical droplets of a two-component dilute superfluid, is presented.
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New states of matter with fine-tuned interactions: quantum droplets and dipolar supersolids.
Fabian Böttcher,Jan-Niklas Schmidt,Jens Hertkorn,K. S. H. Ng,S. D. Graham,Mingyang Guo,Tim Langen,Tilman Pfau +7 more
TL;DR: In this paper, quantum fluctuations can stabilize Bose-Einstein condensates (BECs) against the mean field collapse and supersolid crystals formed from these droplets.
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Quantum Bose-Bose droplets at a dimensional crossover
Paweł Ziń,Maciej Pylak,Maciej Pylak,Tomasz Wasak,Tomasz Wasak,Mariusz Gajda,Zbigniew Idziaszek +6 more
TL;DR: In this paper, the authors study liquid quantum droplets in a mixture of two-component Bose-Einstein condensates under variable confinement introduced along one or two spatial dimensions.
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Equation of state and self-bound droplet in Rabi-coupled Bose mixtures.
TL;DR: In this paper, the effects of quantum fluctuations on a Rabi-coupled two-component Bose gas of interacting alkali atoms were investigated and the divergent zero-point energy of gapless and gapped elementary excitations of the uniform system was properly regularized obtaining a meaningful analytical expression for the beyond-mean-field equation of state.
References
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Eigenvalues and Eigenfunctions of a Bose System of Hard Spheres and Its Low-Temperature Properties
TL;DR: In this paper, the pseudopotential method was used for an explicit calculation of the first few terms in an expansion in power of the eigenvalues and corresponding eigenfunctions of a system of Bose particles with hard-sphere interaction.
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Atomic Theory of the Two-Fluid Model of Liquid Helium
TL;DR: In this article, it was argued that the wave function representing an excitation in liquid helium should be nearly of the form Σif(ri)φ, where φ is the ground-state wave function, f(r) is some function of position, and the sum is taken over each atom i.i.
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Quantum-Mechanical Many-Body Problem with Hard-Sphere Interaction
Kerson Huang,Chen Ning Yang +1 more
TL;DR: In this paper, a generalization of Fermi's pseudopotential for the two-body hard-sphere problem is introduced, which leads to an expansion of the energy levels of the system in powers of $a.
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Ground State of a Bose System of Hard Spheres
TL;DR: In this paper, the pseudopotential method was extended to yield further terms in the low-density expansion of the ground-state energy of a system of Boltzmann or Bose particles with hard-sphere interaction.