Abstract The Jaynes–Cummings Model (JCM) is a fundamental model and building block for
light‐matter interactions, quantum information and quantum computation. The present work …

Light‐matter interactions provide an ideal testground for interplay of critical phenomena,
topological transitions, quantum metrology, and non‐Hermitian physics with high …

The quantum Rabi model (QRM) is a fundamental model for light-matter interactions. A
fascinating feature of the QRM is that it manifests a quantum phase transition which is …

Besides exploring novel transition patterns, acquiring a full understanding of the transition
nature is an ultimate pursuit in studies of phase transitions. The fundamental models of light …

We study the mesoscopic fluctuations of thermodynamic observables in a nanosized
metallic grain in which the single-particle dynamics are chaotic and the dimensionless …

We study the physical properties of a ballistic heterostructure made of a ferromagnet (FM)
and a spin-triplet superconductor (TSC) with a layered structure stacking along the direction …

We analyze the charge and spin transport through a ballistic ferromagnet/insulator/
superconductor junction by means of the Bogoliubov–de Gennes equations. For the …

The mesoscopic Stoner instability is an intriguing manifestation of symmetry breaking in
isolated metallic quantum dots, underlined by the competition between single-particle …

We investigate the competition between superconductivity and ferromagnetism in chaotic
ultrasmall metallic grains in a regime where both phases can coexist. We use an effective …

We study transport phenomena through a ballistic ferromagnet-superconductor-ferromagnet
(F/S/F) junction, comparing the case in which the ferromagnetic order in the two F layers is of …