Magnetic materials described by an effective Dicke model exhibit perturbatively stable ground-state squeezing near a superradiant transition, providing a resource for quantum metrology and entanglement witnessing.
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2026 2representative citing papers
X-ray diffraction reveals that charge localization in EuAl4 is enhanced by magnetic ordering and can be reversibly tuned by applying uniaxial pressure along different crystal axes.
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Dicke materials as a resource for quantum squeezing
Magnetic materials described by an effective Dicke model exhibit perturbatively stable ground-state squeezing near a superradiant transition, providing a resource for quantum metrology and entanglement witnessing.
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Strain-tunable charge localization coupled to complex magnetic orders in EuAl$_4$
X-ray diffraction reveals that charge localization in EuAl4 is enhanced by magnetic ordering and can be reversibly tuned by applying uniaxial pressure along different crystal axes.