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Seminar Vật lý lý thuyết và Vật lý tính toán:
Tên báo cáoAre there fundamental theories in low energy physics?
Người trình bàyGS. Mukunda P. Das
Cơ quanDepartment of Theoretical Physics Research School of Physics and Engineering, The Australian National University Canberra, ACT 2401, Australia
NgàyThứ Sáu, 31-10-2014
Giờ10:00 AM
Địa điểmPhòng 202 (Thư viện), Viện Vật lý, 10 Đào Tấn, Ba Đình, Hà Nội
Tóm tắtLev Landau once said, “Science consists of more than measurements.” Landau’s intention can be summarised very well as follows. One ought to understand the physics behind the experimental measurements to a certain desired depth. In this talk and on this background I propose to discuss some fundamental theories in the realm of low energy physics, which every student of physic would like to be aware of. Those theories are both in the phenomenological and microscopic in contents. My list will include among others- theory of continuous phase transition, Ginzburg-Landau theory, Landau theory of Fermi liquids, theory of superfluidity in bosonic systems. For many practitioners of these theories who attempt to analyse experiments or compute some properties of materials, I shall highlight some crucial issues and challenges in our understanding of experimental phenomena at a pedagogical level. I shall present a general perspective of how the fundamental understanding of low energy physics has emerged during the past seven decades.