凝聚态物理 Schools

Effective Field Theories for Quantum Hall liquids

星期五 2024-10-11 09:00 - 2024-10-25 18:00 TDLI Meeting Room N600 (East Wing of Floor 6, North Building)

Professor Thors Hans Hansson from Stockholm University will give us a series of lectures at TDLI Meeting Room N600 during October 11-25, please see below for more details:

 

Title: Effective Field Theories for Quantum Hall liquids

 

Abstract: Prof. Hansson will start with some QH basics and then concentrate on how model QH liquids using quantum field theory.

 

No.

Date & Time

Venue

Tencent Meeting

1

10:00-11:30, October 11

TDLI Meeting Room N600

ID: 702 958 468

2

10:00-11:30, October 18

TDLI Meeting Room N600

ID: 300 250 348

3

10:00-11:30, October 25

TDLI Meeting Room N600

ID: 725 835 801

 

Outline:

1.  The integer quantum Hall effect

•     Experimental background; precision

•     The Laughlin argument and the Niu-Thouless-Wu  formula.

•     Concept of effective action and the Chern Simons term

•     The edge action

•     Topological action from functional bosonization

 

2.  The Abelian fractional quantum Hall effect

•     Why is a fractional QH state at all possible.

•     Degenerate ground states in the TT limit

•     The full Wen-Zee action

•     Fractional charge and statistics

•     Ground state degeneracy on a torus

•     Response to curvature and QH viscosity

•     (Derivation of the WZ theory using statistical transmutation)

 

3.  Non-Abelian QH states

•     Non-Abelian Berry phases and NA CS-theory

•     Conformal Field Theory and the MR state

•     The Nayak-Fradkin-Construction

•     NA states from a parton construction

Vedio:
October 11: https://vshare.sjtu.edu.cn/open/ea0754c8d676bb1d588941ac591a64e99d05c9bc381cdcbc2c620199801b74ff