Found 7 result(s)

05.03.2019 (Tuesday)

1850' style='color:#f0ad4e'>

Rationalizing CFTs

Regular Seminar Matthew au:Buican'><span class='hl'>Matthew</span> Buican (QMUL)

at:
13:30 IC
room H503
abstract:

2D rational conformal field theories (RCFTs) are typically thought of as being the ââ¬Ånicestââ¬Â interesting CFTs we can study: They have large enough symmetry so that there are only a finite number of primary fields, but they also have applications to the real world (e.g., to various condensed matter systems). In this talk, I will describe a program that aims to understand connections between exotic 4D theories with N=2 superconformal symmetry and more down-to-earth 2D RCFTs, thereby enriching our understanding of both.

19.10.2016 (Wednesday)

1591' style='color:#f0ad4e'>

Comments on the Space of QFTs

Regular Seminar Matthew au:Buican'><span class='hl'>Matthew</span> Buican (Queen Mary University of London)

at:
13:15 KCL
room G01 Norfolk Building
abstract:

In the first part of the talk, I will revisit the question of how to decide whether two 4D N=2 superconformal field theories describe the same physics. Time permitting, I will discuss related questions regarding the classification of 2D rational conformal field theories.

20.05.2016 (Friday)

1556' style='color:#f0ad4e'>

Graduate Mini-Course: Sectors of Supersymmetric Field Theories

Informal Seminar Matthew au:Buican'><span class='hl'>Matthew</span> Buican (QMUL)

at:
10:30 QMW
room GOJ 610
abstract:

Lecture 3: "Toward a Synthesis of Chiral Rings and Chiral Algebras." I will aim to discuss some recent work that seeks to relate the objects introduced in the first two lectures. Given enough time, we may also discuss generalizations of these ideas.

18.05.2016 (Wednesday)

1555' style='color:#f0ad4e'>

Graduate Mini-Course: Sectors of Supersymmetric Field Theories

Informal Seminar Matthew au:Buican'><span class='hl'>Matthew</span> Buican (QMUL)

at:
10:30 QMW
room GOJ 610
abstract:

Lecture 2: "Chiral Algebras and Higher-Dimensional Theories." I will review briefly review the construction of chiral algebras and then focus on their relationship with a particular sub-sector of operators in higher-dimensional theories. I will again focus mostly on 4D N=2 theories.

16.05.2016 (Monday)

1554' style='color:#f0ad4e'>

Graduate Mini-Course: Sectors of Supersymmetric Field Theories

Informal Seminar Matthew au:Buican'><span class='hl'>Matthew</span> Buican (QMUL)

at:
10:30 QMW
room GOJ 610
abstract:

Lecture 1: "Chiral Rings, Moduli Spaces, and Conformal Manifolds." In this lecture I will review basic aspects of chiral operators, with a special focus on 4D theories with 8 Poincare supercharges (i.e., N=2 SUSY). Using these operators, I will discuss basic aspects of moduli spaces and conformal manifolds.

24.11.2011 (Thursday)

29.04.2010 (Thursday)

871' style='color:#f0ad4e'>

SUSY Breaking in N=2 QFT

Regular Seminar Matthew au:Buican'><span class='hl'>Matthew</span> Buican (CERN)

at:
14:00 QMW
room 602
abstract:

We will show that a large class of N=2 SUSY field theories do not have SUSY breaking vacua.