Physical Review Applied

Physical Review Applied (PRApplied) is dedicated to sharing outstanding research that connects engineering with physics, as well as current and emerging technologies. The journal invites contributions from researchers in both the engineering and physics fields, whether they are in academia or industry.

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Articles

Scaling laws governing the collapse of a Bose-Einstein condensate

1 month ago | journals.aps.org | Sebastian Morris |J. Thomson |Christopher J. Ho |Simon Fischer

It is not necessary to obtain permission to reuse thisarticle or its components as it is available under the terms ofthe Creative Commons Attribution 4.0 International license. This license permits unrestricted use, distribution, andreproduction in any medium, provided attribution to the author(s) andthe published article's title, journal citation, and DOI aremaintained. Please note that some figures may have been included withpermission from other third parties.
Error-mitigated photonic quantum circuit Born machine

1 month ago | journals.aps.org | Alexia Salavrakos |Tigran A. Sedrakyan |James Mills |Shane Mansfield

It is not necessary to obtain permission to reuse thisarticle or its components as it is available under the terms ofthe Creative Commons Attribution 4.0 International license. This license permits unrestricted use, distribution, andreproduction in any medium, provided attribution to the author(s) andthe published article's title, journal citation, and DOI aremaintained. Please note that some figures may have been included withpermission from other third parties.
Gatemonium: A Voltage-Tunable Fluxonium

Feb 10, 2025 | journals.aps.org | William Strickland |Bassel Heiba Elfeky |Lukas Baker |Andrea Maiani

Fluxonium qubits are a promising alternative to the conventional transmon for quantum computation using superconducting circuits. The two lowest-energy wave functions are localized, distinct wells in phase space, leading to a suppressed transition-matrix element and longer bit-flip times. There also exists a magnetic flux “sweet spot,” where the qubit frequency is first-order insensitive to flux noise. However, the exact qubit characteristics depend on the exact circuit parameters.
Probing Fermi surface parity with spin-resolved transverse magnetic focusing

Jan 22, 2025 | journals.aps.org | M. Rendell |S. D. Liles |A. Srinivasan |O. Klochan

Measurements of the Fermi surface are a fundamental technique for determining the electrical and magnetic properties of solids. In two-dimensional (2D) systems, the area and diameter of the Fermi surface are typically measured using Shubnikov–de Haas oscillations and commensurability oscillations respectively. However, these techniques are unable to detect changes in the parity of the Fermi surface [i.e., when .
Floquet geometric squeezing in fast-rotating condensates

Jan 14, 2025 | journals.aps.org | Li Chen

Constructing and manipulating quantum states in fast-rotating Bose-Einstein condensates (BECs) has long stood as a significant challenge as the rotating speed approached a critical velocity. Although a recent experiment [R. J. Fletcher et al., Science 372, 1318 (2021)] has realized the geometrically squeezed state of the guiding-center mode, the remaining degree of freedom, the cyclotron mode, remains unsqueezed due to the large energy gap of the Landau levels.
Study of possible $DN{D}^{*}$ bound states

Sep 27, 2024 | journals.aps.org | Víctor Nahuel Montesinos |Jing Song |Wei-Hong Liang |Guangxi Normal

We start from a recently favored picture in which the Λc(2940) and Λc(2910) correspond mostly to ND* bound states with JP=1/2−,3/2− respectively, and then add a D as a third particle, looking for the possible binding of the DND* three-body system within the framework of the fixed center approximation. We find that the system is bound with respect to the corresponding Λc(2940)D, Λc(2910)D thresholds with a binding of about 60 MeV and a width of about 90 MeV.
Physical Review Letters

Sep 20, 2024 | journals.aps.org | Yutao Li |Wenjie He |Qi-Chang He |Wen Wang

Two-Gap Superconductivity and the Decisive Role of Rare-Earth Electrons in Infinite-Layer Nickelates Superconducting gaps on the Fermi surface of infinite-layer nickelates show a phonon-mediated pairing mechanism, suggesting that these superconductors are not conventional after all.
Harnessing Enantioselective Optical Forces by Quasibound States in the Continuum

Aug 19, 2024 | journals.aps.org | Renchao Jin |Xianzhe Zhang |Pengcheng Huo |Ziqiang Cai

Enantioselective optical forces have garnered significant attention, because they provide a noninvasive means to separate chiral objects. A promising approach to enhance enantioselective optical forces is spatially overlapping and boosting electric and magnetic fields to create giant superchiral fields. Here, we utilize metasurfaces composed of asymmetric silicon dimers that support two distinct quasibound states in the continuum (quasi BICs).
Improved modeling of neutron-induced reactions on chlorine isotopes aided through new $(n,p)$ and $(n,\ensuremath{\alpha})$ measurements at LANSCE

Aug 19, 2024 | journals.aps.org | K. Hanselman |Los Alamos |S. A. Kuvin |H. Lee

Renewed interest in neutron-induced reactions on chlorine isotopes has led to a surge of new measurements. Much of this effort has been spurred to inform on the many modern applications in which chlorine plays an important role, e.g., molten salt reactor design and reaction rate calculations for nuclear astrophysics.
Physical Review Letters

Jul 19, 2024 | journals.aps.org | Robert Garisto |Hugues Chaté |Jesse Belden |Nathan B. Speirs

Connecting Cosmic Inflation to Particle Physics with LiteBIRD, CMB-S4, EUCLID, and SKA Upcoming high-sensitivity observations of the cosmic microwave background will be able to place limits on the inflaton coupling in a given model of cosmic inflation.