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Area of Science:

  • Particle Physics
  • Quantum Sensing
  • Cosmology

Background:

  • Dark matter (DM) detection is a key indicator of new physics.
  • Wavelike DM is typically detected using quantum sensors like qubits or cavities.
  • Sensor phase information is usually discarded, but phase differences can reveal DM wind properties.

Purpose of the Study:

  • To propose a novel measurement protocol for extracting DM wind velocity and direction.
  • To utilize quantum states for enhanced information extraction from quantum sensors.
  • To demonstrate the superiority of the proposed quantum method over classical approaches.

Main Methods:

  • Developing a measurement protocol using quantum states to analyze sensor phase differences.
  • Applying the protocol to quantum sensors (e.g., qubits, cavities) used in DM detection.
  • Comparing the quantum protocol's performance against classical methods based on DM signal correlations.

Main Results:

  • The proposed protocol successfully extracts DM wind velocity and direction information from sensor phase differences.
  • The method is versatile, applicable to various DM detectors with quantum data acquisition.
  • The quantum protocol enhances DM detection sensitivity and outperforms classical correlation methods.

Conclusions:

  • A new quantum measurement protocol offers a powerful tool for probing dark matter properties.
  • This method unlocks previously discarded phase information in quantum sensors for DM detection.
  • The technique provides a significant advancement in dark matter detection sensitivity and directional information.