Ultracold atom
View article: The bound state of dark atom with the nucleus of substance
The bound state of dark atom with the nucleus of substance Open
The hypothesis of composite $XHe$ dark atoms offers a compelling framework to address the challenges in direct dark matter particles detection, as their neutral, atom-like configuration evades conventional experimental signatures. A critic…
View article: The bound state of dark atom with the nucleus of substance
The bound state of dark atom with the nucleus of substance Open
The hypothesis of composite $XHe$ dark atoms offers a compelling framework to address the challenges in direct dark matter particles detection, as their neutral, atom-like configuration evades conventional experimental signatures. A critic…
View article: The Universal Eight-Key Resonance Ladder in Nuclear Spin Coherence
The Universal Eight-Key Resonance Ladder in Nuclear Spin Coherence Open
Every nuclear spin coherence time measured in solid-state and ultracold atomic systems from 2023 to 2025 falls on the same eight perfect-square keys observed in embryos, root hairs, mitochondrial cristae, and freezing water. The 10.0000000…
View article: Probing false vacuum decay and bubble nucleation in a Rydberg atom array
Probing false vacuum decay and bubble nucleation in a Rydberg atom array Open
In quantum field theory (QFT), the "vacuum" is not just empty space but the lowest-energy state of a quantum field. If the energy landscape has multiple local minima, the local ground states are the false vacuum (FV) which can tunnel towar…
View article: Fast and efficient formation of stable tetraatomic molecules from ultracold atoms via generalized stimulated Raman exact passage
Fast and efficient formation of stable tetraatomic molecules from ultracold atoms via generalized stimulated Raman exact passage Open
The study of the conversion of ultracold atoms into molecules has long remained a hot topic in atomic, molecular, and optical physics. However, most prior research has focused on diatomic molecules, with relatively scarce exploration of po…
View article: Probing false vacuum decay and bubble nucleation in a Rydberg atom array
Probing false vacuum decay and bubble nucleation in a Rydberg atom array Open
In quantum field theory (QFT), the "vacuum" is not just empty space but the lowest-energy state of a quantum field. If the energy landscape has multiple local minima, the local ground states are the false vacuum (FV) which can tunnel towar…
View article: Fast and efficient formation of stable tetraatomic molecules from ultracold atoms via generalized stimulated Raman exact passage
Fast and efficient formation of stable tetraatomic molecules from ultracold atoms via generalized stimulated Raman exact passage Open
The study of the conversion of ultracold atoms into molecules has long remained a hot topic in atomic, molecular, and optical physics. However, most prior research has focused on diatomic molecules, with relatively scarce exploration of po…
View article: Beyond Landau Quasiparticles: Unveiling Non-Fermi Liquid Behavior in Ultracold Atomic Gases
Beyond Landau Quasiparticles: Unveiling Non-Fermi Liquid Behavior in Ultracold Atomic Gases Open
The paradigm of Landau Fermi liquid theory has successfully described the low-energy behavior of numerous metallic systems. However, a growing number of experimental observations in strongly correlated electron materials, such as high-temp…
View article: Chiral Superfluidity in Ultracold Fermi Gases with Artificial Gauge Fields
Chiral Superfluidity in Ultracold Fermi Gases with Artificial Gauge Fields Open
Chiral superfluidity in ultracold Fermi gases represents a fascinating frontier in condensed matter physics, offering a pristine platform for exploring exotic quantum phases with topological properties. This paper provides a comprehensive …
View article: Beyond Landau Quasiparticles: Unveiling Non-Fermi Liquid Behavior in Ultracold Atomic Gases
Beyond Landau Quasiparticles: Unveiling Non-Fermi Liquid Behavior in Ultracold Atomic Gases Open
The paradigm of Landau Fermi liquid theory has successfully described the low-energy behavior of numerous metallic systems. However, a growing number of experimental observations in strongly correlated electron materials, such as high-temp…
View article: Universal Prethermalization in Interacting Bose-Fermi Degenerate Systems
Universal Prethermalization in Interacting Bose-Fermi Degenerate Systems Open
This paper explores the phenomenon of universal prethermalization in out-of-equilibrium interacting Bose-Fermi degenerate systems. Prethermalization, a transient non-equilibrium state characterized by a quasi-stationary distribution that i…
View article: Universal Prethermalization in Interacting Bose-Fermi Degenerate Systems
Universal Prethermalization in Interacting Bose-Fermi Degenerate Systems Open
This paper explores the phenomenon of universal prethermalization in out-of-equilibrium interacting Bose-Fermi degenerate systems. Prethermalization, a transient non-equilibrium state characterized by a quasi-stationary distribution that i…
View article: Quantum Geometry, Emergent Topology, and the Enigma of High-Tc Superconductivity
Quantum Geometry, Emergent Topology, and the Enigma of High-Tc Superconductivity Open
High-temperature superconductivity (high-Tc) remains one of the most profound and persistent mysteries in condensed matter physics, defying a complete microscopic understanding despite decades of intense research. The unconventional nature…
View article: Universal Topological Signatures of Non-Abelian Anyons in Engineered Flat Bands
Universal Topological Signatures of Non-Abelian Anyons in Engineered Flat Bands Open
The quest for non-Abelian anyons, exotic quasiparticles fundamental to topological quantum computing, remains a forefront challenge in condensed matter physics. This paper explores the universal topological signatures that characterize non…
View article: Chiral Superfluidity in Ultracold Fermi Gases with Artificial Gauge Fields
Chiral Superfluidity in Ultracold Fermi Gases with Artificial Gauge Fields Open
Chiral superfluidity in ultracold Fermi gases represents a fascinating frontier in condensed matter physics, offering a pristine platform for exploring exotic quantum phases with topological properties. This paper provides a comprehensive …
View article: Quantum Geometry, Emergent Topology, and the Enigma of High-Tc Superconductivity
Quantum Geometry, Emergent Topology, and the Enigma of High-Tc Superconductivity Open
High-temperature superconductivity (high-Tc) remains one of the most profound and persistent mysteries in condensed matter physics, defying a complete microscopic understanding despite decades of intense research. The unconventional nature…
View article: Universal Topological Signatures of Non-Abelian Anyons in Engineered Flat Bands
Universal Topological Signatures of Non-Abelian Anyons in Engineered Flat Bands Open
The quest for non-Abelian anyons, exotic quasiparticles fundamental to topological quantum computing, remains a forefront challenge in condensed matter physics. This paper explores the universal topological signatures that characterize non…
View article: Comparison of laser system designs for quantum technologies: BECCAL flight system vs. BECCAL ground test bed
Comparison of laser system designs for quantum technologies: BECCAL flight system vs. BECCAL ground test bed Open
We present the design of laser systems for the Bose-Einstein Condensate and Cold Atom Laboratory (BECCAL) payload, enabling numerous quantum technological experiments onboard the International Space Station (ISS), in particular dual specie…
View article: Simultaneous Cooling of <sup>85</sup> Rb and <sup>87</sup> Rb Atoms in an Integrating Sphere
Simultaneous Cooling of <sup>85</sup> Rb and <sup>87</sup> Rb Atoms in an Integrating Sphere Open
Dual‐species cold atom systems are drawing increasing attention in the research of interactions in degenerate cold gases. In this article, we report a method for the simultaneous cooling of 85 Rb and 87 Rb atoms in an integrating sphere sy…
View article: Probing BCS pairing and quasiparticle formation in ultracold gases by Rydberg atom spectroscopy
Probing BCS pairing and quasiparticle formation in ultracold gases by Rydberg atom spectroscopy Open
Locally probing pairing in fermionic superfluids, ranging from micro- to macroscopic scales, has been a long-standing challenge. Here, we investigate a new approach that uses Rydberg impurities as a spectroscopic sensor of the surrounding …
View article: Probing BCS pairing and quasiparticle formation in ultracold gases by Rydberg atom spectroscopy
Probing BCS pairing and quasiparticle formation in ultracold gases by Rydberg atom spectroscopy Open
Locally probing pairing in fermionic superfluids, ranging from micro- to macroscopic scales, has been a long-standing challenge. Here, we investigate a new approach that uses Rydberg impurities as a spectroscopic sensor of the surrounding …
View article: Macroscopic Stable Light Spheroid
Macroscopic Stable Light Spheroid Open
We present an engineering concept for a macroscopic Stable Light Spheroid (SLS) - a long-lived, localized volume of confined light with record energy density. Overcoming the fundamental limitations of ultracold atom platforms, our architec…
View article: Macroscopic Stable Light Spheroid
Macroscopic Stable Light Spheroid Open
We present an engineering concept for a macroscopic Stable Light Spheroid (SLS) - a long-lived, localized volume of confined light with record energy density. Overcoming the fundamental limitations of ultracold atom platforms, our architec…
View article: Deterministic coupling of ultracold atomic lattice to a suspended photonic waveguide
Deterministic coupling of ultracold atomic lattice to a suspended photonic waveguide Open
The deterministic control of light-matter interactions at the level of single particles and on subwavelength scales is central to quantum optics and hybrid integrated quantum technologies. However, combining cold atom research with nanopho…
View article: Deterministic coupling of ultracold atomic lattice to a suspended photonic waveguide
Deterministic coupling of ultracold atomic lattice to a suspended photonic waveguide Open
The deterministic control of light-matter interactions at the level of single particles and on subwavelength scales is central to quantum optics and hybrid integrated quantum technologies. However, combining cold atom research with nanopho…
View article: Collective early-time spontaneous decay of a strongly driven cold atomic ensemble
Collective early-time spontaneous decay of a strongly driven cold atomic ensemble Open
In this work we present a numerical and experimental investigation of the collective early-time decay rates of a strongly driven and optically dense cold atomic cloud. We prepare the atomic ensemble by driving the system to its steady stat…
View article: Pair scattering from time-modulated impurity in the Bose-Hubbard model
Pair scattering from time-modulated impurity in the Bose-Hubbard model Open
We investigate scattering phenomena in a one-dimensional attractive Bose-Hubbard model with a time-periodically modulated impurity. We analyze both single-particle and pair (doublon) transmission, exploring a range of interaction strengths…
View article: Fractional Chern insulator edges: crystalline effects and optical measurements
Fractional Chern insulator edges: crystalline effects and optical measurements Open
Edge states of chiral topologically ordered phases are commonly described by chiral Luttinger liquids, effective theories that are exact only in the hydrodynamic limit. Motivated by recent bulk observations of fractional Chern insulators (…
View article: Fractional Chern insulator edges: crystalline effects and optical measurements
Fractional Chern insulator edges: crystalline effects and optical measurements Open
Edge states of chiral topologically ordered phases are commonly described by chiral Luttinger liquids, effective theories that are exact only in the hydrodynamic limit. Motivated by recent bulk observations of fractional Chern insulators (…
View article: Pair scattering from time-modulated impurity in the Bose-Hubbard model
Pair scattering from time-modulated impurity in the Bose-Hubbard model Open
We investigate scattering phenomena in a one-dimensional attractive Bose-Hubbard model with a time-periodically modulated impurity. We analyze both single-particle and pair (doublon) transmission, exploring a range of interaction strengths…