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Soliton mới trong ngưng tụ Bose-Einstein phân cực gây ra bởi sự dao động lượng tử
The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics - Tập 75 - Trang 1-10 - 2021
Tóm tắt
Các soliton trong mô hình thủy động học mở rộng của ngưng tụ Bose-Einstein phân cực với các dao động lượng tử được xem xét. Mô hình này bao gồm phương trình liên tục cho trường vô hướng của nồng độ, phương trình Euler cho trường vector vận tốc, phương trình tiến hóa áp lực cho tensor áp lực bậc hai và phương trình tiến hóa cho tensor bậc ba. Giải pháp soliton lớn do phần phân cực của các dao động lượng tử gây ra được tìm thấy. Nó xuất hiện như một soliton sáng. Do đó, đây là vùng nén số lượng hạt. Hơn nữa, nó tồn tại đối với tương tác ngắn hạn đẩy.
Từ khóa
#soliton #ngưng tụ Bose-Einstein #phân cực #dao động lượng tử #mô hình thủy động họcTài liệu tham khảo
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