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UID:6a9ef57e744eb
DTSTART:20260918T090000Z
SEQUENCE:0
TRANSP:OPAQUE
DTEND:20260918T093000Z
LOCATION:Seminar Room
SUMMARY:ICFO | DONATO FARINA
CLASS:PUBLIC
DESCRIPTION:Exploiting many-body interaction and critical phenomena to impr
 ove the performance of quantum batteries is an emerging and promising line
  of research. A central question in this direction is whether quantum phas
 e transitions can enhance the charging energy or the power. While prelimin
 ary works have addressed this problem in fine-tuned integrable models\, it
 s characterization in non-integrable systems remains limited due to the de
 manding numerical requirements. Here\, we investigate a one-dimensional Ax
 ial Next-Nearest-Neighbor Ising model as an example of non-integrable quan
 tum battery charged via a quantum-quench protocol. In contrast to integrab
 le cases\, we find that criticality in this setting can lead to a pronounc
 ed enhancement of the charging power. Our findings inform quantum-battery 
 design of many-qubit systems and are amenable to experimental verification
  on current quantum-simulation platforms\, including neutral-atom arrays.
DTSTAMP:20260907T173350Z
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