Quantum sensing for particle physics

Bass, Steven D.; Doser, Michael

doi:10.1038/s42254-024-00714-3

Nat Rev Phys

2024

DOI: 10.1038/s42254-024-00714-3

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Quantum sensing for particle physics

Steven D. Bass,

Michael Doser

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2024

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Cited by 4 publications

(1 citation statement)

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“…The discussion of emerging quantum technology would be incomplete without raising interesting questions on fundamental physics [47]. As we list a few examples that are worthy of exploration in our opinion, we note the increasing importance of collaboration between theorists and experimentalists.…”

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confidence: 97%

Essay: Quantum Sensing with Atomic, Molecular, and Optical Platforms for Fundamental Physics

Ye,

Zoller

2024

Phys. Rev. Lett.

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Atomic, molecular, and optical (AMO) physics has been at the forefront of the development of quantum science while laying the foundation for modern technology. With the growing capabilities of quantum control of many atoms for engineered many-body states and quantum entanglement, a key question emerges: what critical impact will the second quantum revolution with ubiquitous applications of entanglement bring to bear on fundamental physics? In this Essay, we argue that a compelling long-term vision for fundamental physics and novel applications is to harness the rapid development of quantum information science to define and advance the frontiers of measurement physics, with strong potential for fundamental discoveries. As quantum technologies, such as fault-tolerant quantum computing and entangled quantum sensor networks, become much more advanced than today’s realization, we wonder what doors of basic science can these tools unlock. We anticipate that some of the most intriguing and challenging problems, such as quantum aspects of gravity, fundamental symmetries, or new physics beyond the minimal standard model, will be tackled at the emerging quantum measurement frontier. .Published by the American Physical Society2024

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confidence: 97%

Essay: Quantum Sensing with Atomic, Molecular, and Optical Platforms for Fundamental Physics

Ye,

Zoller

2024

Phys. Rev. Lett.

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Advanced fabrication process for particle absorbers of highly pure electroplated gold for microcalorimeter applications

Müller,

Zühlke,

Kempf

2024

Journal of Applied Physics

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Magnetic microcalorimeters (MMCs) have become a key technology for applications requiring outstanding energy resolution, fast signal rise time and excellent linearity. MMCs measure the temperature rise upon absorption of a single particle within a particle absorber by using a paramagnetic temperature sensor that is thermally coupled to the absorber. The design and fabrication of the particle absorber is key for excellent detector performance. Here, we present a microfabrication process for free-standing particle absorbers made of two stacked and independently electroplated high-purity Au layers. This enables, for example, the embedding of radioactive sources within the absorber for realizing a 4π detection geometry in radionuclide metrology or preparing detector arrays with variable quantum efficiency and energy resolution as requested for future applications in high-energy physics. Due to careful optimization of photoresist processing and electroplating parameters, the Au films are of very high purity and very high residual resistivity ratio values above 40, allowing for fast internal absorber thermalization.

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Achieving Heisenberg scaling by probe-ancilla interaction in quantum metrology

Fan,

Pang

2024

Phys. Rev. A

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Quantum sensing for particle physics

Cited by 4 publications

References 137 publications

Essay: Quantum Sensing with Atomic, Molecular, and Optical Platforms for Fundamental Physics

Essay: Quantum Sensing with Atomic, Molecular, and Optical Platforms for Fundamental Physics

Advanced fabrication process for particle absorbers of highly pure electroplated gold for microcalorimeter applications

Achieving Heisenberg scaling by probe-ancilla interaction in quantum metrology

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