【学术视频】Workshop on Emergent Correlated Materials | Kevin Steffen
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图 | Kevin Steffen
题 目：Quantum Capacitance of Correlated Electron Systems
报告人：Kevin Steffen
单 位：University of Augsburg
时 间：2019-04-07
地 点：北京大学
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报告提纲
Capacitance can be enhanced if electronic subsystem bas a negative quantum capacitance
This may destabilize the total system, but counteracted by positive contributions like from the electrostatic enery
Strong attractive nearest-neighbor interaction can enhance the capacitance in the extended Hubbard model
Non-monotonic behavior of capacitance as function of on-size repulsion U
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