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We derive Bethe’s formula for the Lamb shift by extending Feynman’s suggestion that the shift could be interpreted as the …

Critical quantum metrology relies on the extreme sensitivity of a system’s eigenstates near the critical point of a quantum phase …

What is the minimal time until a quantum system can exhibit genuine quantum features? To answer this question we derive quantum speed …

Arrays of atoms coupled to waveguides can behave as mirrors. We consider an array of $\Lambda$-type three-level atoms wherein preparing …

In the present work, we demonstrate the emergence of $X$ states in the long-time response of a locally perturbed many-body quantum …

We examine the onset and resilience of emergent time periodicity in a few-body all-to-all interacting Lipkin-Meshkov-Glick model, where …

Quantum thermometry refers to the study of measuring ultra-low temperatures in quantum systems. The precision of such a quantum …

Although classical thermal machines power industries and modern living, quantum thermal engines have yet to prove their utility. Here, …

What is the major difference between large and small systems? At small length-scales the dynamics is dominated by fluctuations, whereas …

The most famous quasi-probability distribution, the Wigner function, has played a pivotal role in the development of a …