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Related papers: Entangled sensor-networks for dark-matter searches

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It has been predicted and experimentally demonstrated that by injecting squeezed light into an optomechanical device it is possible to enhance the precision of a position measurement. Here, we present a fundamentally different approach…

Quantum Physics · Physics 2015-12-16 V. Peano , H. G. L. Schwefel , Ch. Marquardt , F. Marquardt

Conventional axion dark matter search experiments employ cylindrical microwave cavities immersed in a solenoidal magnetic field. Exploring higher frequency regions requires smaller size cavities as the TM010 resonant frequencies scale…

Instrumentation and Methods for Astrophysics · Physics 2017-11-29 Junu Jeong , SungWoo Youn , Saebyeok Ahn , Chanshin Kang , Yannis K. Semertzids

A new search strategy for the detection of the elusive dark matter (DM) axion is proposed. The idea is based on streaming DM axions, whose flux might get temporally enormously enhanced due to gravitational lensing. This can happen if the…

The cavity haloscope technique has been the most successful approach to date in searching for axion dark matter, owing to a confluence of factors at the GHz scale including the macroscopic size of the axion-to-photon converting cavity…

High Energy Physics - Experiment · Physics 2026-01-30 Erik W. Lentz , Christian R. Boutan , Matthew S. Taubman , Kevin L. Gervais

The invisible axion is a well-motivated hypothetical particle which could address two fundamental questions in modern physics - the CP symmetry problem in the strong interactions and the dark matter mystery of our universe. The plausible…

High Energy Physics - Experiment · Physics 2023-01-27 Junu Jeong , Sungwoo Youn , Jihn E. Kim

We suggest a new approach to search for galactic axions or other similar exotica. Streaming dark matter (DM) could have a better discovery potential because of flux enhancement, due to gravitational lensing when the Sun and/or a planet are…

Axions are a well motivated candidate for dark matter. The most sensitive experiments searching for dark matter axions rely on the coupling of axions to the electromagnetic resonances of a microwave cavity immersed in a strong magnetic…

Instrumentation and Detectors · Physics 2014-03-27 Gray Rybka

Light axion-like particles occur in many theories of beyond-Standard-Model physics, and may make up some or all of the universe's dark matter. One of the ways they can couple to the Standard Model is through the electromagnetic $F_{\mu\nu}…

High Energy Physics - Phenomenology · Physics 2021-04-14 Robert Lasenby

We present a deterministic protocol for the preparation of entangled states in the symmetric Dicke subspace of $N$ spins coupled to a common cavity mode that prepares entangled states useful for quantum sensing, achieving a precision…

Quantum Physics · Physics 2026-02-13 Vineesha Srivastava , Sven Jandura , Gavin K Brennen , Guido Pupillo

Dark matter remains one of the most profound mysteries in modern physics, with axions, a hypothetical particle proposed to resolve the strong CP problem, standing as a compelling candidate. Among various experimental strategies, cavity…

Entanglement is a fundamental resource that allows quantum sensors to surpass the standard quantum limit set by the quantum collapse of independent atoms. Collective cavity-QED systems have succeeded in generating large amounts of directly…

Quantum Physics · Physics 2023-03-30 Graham P. Greve , Chengyi Luo , Baochen Wu , James K. Thompson

Dark matter (DM) remains one of the most compelling unresolved problems in fundamental physics, motivating the search for new detection approaches. We propose a network-based quantum sensor architecture to enhance sensitivity to ultralight…

Quantum Physics · Physics 2025-09-17 Adriel I. Santoso , Le Bin Ho

The future laser interferometric gravitational-wave detectors sensitivity can be improved using squeezed light. In particular, recently a scheme which uses the optical field with frequency dependent squeeze factor, prepared by means of a…

General Relativity and Quantum Cosmology · Physics 2008-11-26 F. Ya. Khalilli

Qubit-based sensing platforms offer promising new directions for wave-like dark matter searches. Recent proposals demonstrate that entangled qubits can achieve quadratic scaling of the signal in the number of qubits. In this work we expand…

High Energy Physics - Phenomenology · Physics 2025-10-15 Arushi Bodas , Sohitri Ghosh , Roni Harnik

Quantum optical sensors are ubiquitous in various fields of research, from biological or medical sensors to large-scale experiments searching for dark matter or gravitational waves. Gravitational-wave detectors have been very successful in…

Quantum Physics · Physics 2024-01-11 Mikhail Korobko , Jan Südbeck , Sebastian Steinlechner , Roman Schnabel

The dark matter puzzle is one of the most important open problems in modern physics. The ultra-light axion is a well-motivated dark matter candidate, conceived to resolve the strong-CP problem of quantum chromodynamics. Numerous precision…

High Energy Physics - Phenomenology · Physics 2023-07-24 Alexander O. Sushkov

There are several networks of precision quantum sensors in existence, including networks of atomic clocks, magnetometers, and gravitational wave detectors. These networks can be re-purposed for searches of exotic physics, such as direct…

Instrumentation and Methods for Astrophysics · Physics 2020-08-18 Guglielmo Panelli , Benjamin M. Roberts , Andrei Derevianko

We propose a novel broadband strategy to search for axions by leveraging observables controlled by the axion field squared. We present a practical implementation of this concept for probing the axion--photon coupling. This is done by…

High Energy Physics - Phenomenology · Physics 2026-05-13 Angelo Esposito , Kin Chung Fong , Lam Hui

Nearly all astrophysical and cosmological data point convincingly to a large component of cold dark matter (CDM) in the Universe. The axion particle, first theorized as a solution to the strong charge-parity problem of quantum…

Instrumentation and Detectors · Physics 2017-01-06 I. Stern

Quantum metrology has recently emerged as a powerful approach for dark matter (DM) searches, particularly using nonclassical bosonic states in microwave cavities that are sensitive to weak signals. Nonclassical cat states - macroscopic…