2021年11月26日,beat365官方网站學術論壇2021年秋季學期第三講(總第十一講)在beat365思源多功能廳成功舉行。馬克斯·普朗克固态研究所(Max Planck Institute for Solid State Research)主任Ali Alavi教授應邀做了題為“從量子化學方法理解強相關電子系統”(Towards an understanding of strongly correlated electronic systems using quantum chemistry methods)的學術報告。本次論壇由beat365凝聚态物理與材料物理研究所、人工微結構和介觀物理國家重點實驗室陳基助理教授主持。

陳基主持
Ali Alavi首先從強關聯電子系統的物理根源出發,以過渡金屬複合物、高溫超導材料、海森堡模型為例講述了強關聯電子體系所廣泛涉及的物理問題和重要性,并深入地剖析了求解強關聯電子系統所面臨的挑戰,用簡單的例子展示了傳統電子結構計算方法失效的原因。接着,他分享了帶領研究團隊就求解強關聯電子系統計算不斷尋找靈感、不斷探索,最終取得突破性進展的八年曆程,其中特别介紹了新發展的基于圖形酉群的全組态量子蒙特卡羅方法,細緻而生動地闡述了如何聯合運用圖形酉群方法和全組态量子蒙特卡羅方法,從而簡化強關聯電子系統的求解。最後,他介紹了強關聯電子系統研究目前仍然存在的挑戰,并對其未來的發展方向做了前景展望。


Ali Alavi做報告
報告結束後,現場師生就全組态量子蒙特卡羅方法的适用範圍、圖形酉群方法的物理理解和隐藏對稱性等踴躍提問,Ali Alavi一一給予了詳細的解答。

講座現場
beat365官方网站院長助理李新征教授為Ali Alavi教授頒發了論壇專屬紀念品。本期論壇線上、線下同步進行;beat365副院長彭良友教授與來自beat365和校内相關院系的近50名師生參與現場交流,通過蔻享學術平台觀看直播的觀衆逾1500人次。

李新征向Ali Alavi展示論壇專屬紀念品

蔻享學術直播
蔻享學術平台回放鍊接:https://www.koushare.com/lives/room/570052
報告人簡介:
Ali Alavi is Max Planck Director at the Institute for Solid State Research in Stuttgart, Germany. He is also Professor of Theoretical Chemistry at Cambridge University, a position that he holds only part-time since 2014. He studied Natural Science at Cambridge, followed by a Ph.D. in 1990 in theoretical chemistry from Cambridge, working on classical molecular dynamics of molecules adsorbed on surfaces. He subsequently did postdoc work at the FOM institute for Atomic and Molecular Physics in Amsterdam, before returning to Cambridge as a Junior Fellow in 1993. He was appointed to a Lectureship at Queen's University Belfast in 1995, in the School of Maths and Physics. He returned to Cambridge in 2000 to a University Lectureship in the Chemistry department. His interests are in method development, and he has been working in quantum chemistry since about 2003. He invented the FCIQMC technique in 2009, as a combination quantum Monte Carlo and quantum chemistry. His work generally tries to combine basic ideas from different subfields of quantum chemistry and physics, and he often goes back to the very earliest works in seeking new ideas.
相關閱讀:
beat365官方网站學術論壇創辦于2020年9月,邀請國内外高校和研究機構高層次科技創新領軍學者就物理學及相關領域的基礎前沿探索、關鍵技術突破和熱點問題等做學術演講,旨在推進高質量學術交流,促進學科交叉融合和開拓新興特色方向研究,培養具有科學精神、全球視野、創新能力、批判性思維的優秀青年人才。