Format results
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Twisted Holography Mini-Course - Lecture 20231214
Davide Gaiotto Perimeter Institute for Theoretical Physics
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Twisted Holography Mini-Course - Lecture 20231130
Davide Gaiotto Perimeter Institute for Theoretical Physics
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Twisted Holography Mini-Course - Lecture 20231123
Davide Gaiotto Perimeter Institute for Theoretical Physics
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3pt functions: Yes Q's
Pedro Vieira Perimeter Institute for Theoretical Physics
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An explicit solution
Paul Ryan King's College London
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QSC definition in N=4
Paul Ryan King's College London
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Q-functions in spin chains. QSC for spin chains
Paul Ryan King's College London
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3pt function: No Q's
Pedro Vieira Perimeter Institute for Theoretical Physics
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Talk
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Talk
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Topological Quantum Field Theories Lecture 20231208
Lukas Mueller Perimeter Institute for Theoretical Physics
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Topological Quantum Field Theories Lecture 20231201
Lukas Mueller Perimeter Institute for Theoretical Physics
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Topological Quantum Field Theories Lecture 20231124
Lukas Mueller Perimeter Institute for Theoretical Physics
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Topological Quantum Field Theories Lecture 20231110
Lukas Mueller Perimeter Institute for Theoretical Physics
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Topological Quantum Field Theories Lecture 20231103
Lukas Mueller Perimeter Institute for Theoretical Physics
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Topological Quantum Field Theories Lecture 20231027
Lukas Mueller Perimeter Institute for Theoretical Physics
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Topological Quantum Field Theories Lecture 20231020
Lukas Mueller Perimeter Institute for Theoretical Physics
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Topological Quantum Field Theories Lecture 20231013
Lukas Mueller Perimeter Institute for Theoretical Physics
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Talk
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Quantum Theory Lecture - 100323
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Bindiya Arora Perimeter Institute for Theoretical Physics
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Dan Wohns Perimeter Institute for Theoretical Physics
PIRSA:23090049 -
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Quantum Theory Lecture - 100223
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Bindiya Arora Perimeter Institute for Theoretical Physics
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Dan Wohns Perimeter Institute for Theoretical Physics
PIRSA:23100034 -
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Quantum Theory Lecture - 092723
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Bindiya Arora Perimeter Institute for Theoretical Physics
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Dan Wohns Perimeter Institute for Theoretical Physics
PIRSA:23090048 -
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Quantum Theory Lecture - 092623
Dan Wohns Perimeter Institute for Theoretical Physics
PIRSA:23090098 -
Quantum Theory Lecture - 092523
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Bindiya Arora Perimeter Institute for Theoretical Physics
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Dan Wohns Perimeter Institute for Theoretical Physics
PIRSA:23090047 -
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Quantum Theory Lecture - 092123
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Bindiya Arora Perimeter Institute for Theoretical Physics
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Dan Wohns Perimeter Institute for Theoretical Physics
PIRSA:23090046 -
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Quantum Theory Lecture - 092023
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Bindiya Arora Perimeter Institute for Theoretical Physics
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Dan Wohns Perimeter Institute for Theoretical Physics
PIRSA:23090045 -
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Quantum Theory Lecture - 091823
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Bindiya Arora Perimeter Institute for Theoretical Physics
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Dan Wohns Perimeter Institute for Theoretical Physics
PIRSA:23090044 -
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Classical Physics Lecture - 100323
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23090037 -
Classical Physics Lecture - 100223
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23100033 -
Classical Physics Lecture - 092723
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23090036 -
Classical Physics Lecture - 092623
PIRSA:23090097 -
Classical Physics Lecture - 092523
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23090035 -
Classical Physics Lecture - 092223
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23090034 -
Classical Physics Lecture - 092023
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23090033 -
Classical Physics Lecture - 091823
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23090032
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Quantum Matter Lecture (230505)
Baskaran Ganapathy Institute of Mathematical Sciences
PIRSA:23050003 -
Quantum Matter Lecture (230428)
Baskaran Ganapathy Institute of Mathematical Sciences
PIRSA:23040017 -
Quantum Matter Lecture (230426)
Baskaran Ganapathy Institute of Mathematical Sciences
PIRSA:23040016 -
Quantum Matter Lecture (230424)
Baskaran Ganapathy Institute of Mathematical Sciences
PIRSA:23040015 -
Quantum Matter Lecture (230421)
Baskaran Ganapathy Institute of Mathematical Sciences
PIRSA:23040014 -
Quantum Matter Lecture (230419)
Baskaran Ganapathy Institute of Mathematical Sciences
PIRSA:23040013 -
Quantum Matter Lecture (230417)
Baskaran Ganapathy Institute of Mathematical Sciences
PIRSA:23040012 -
Quantum Matter Lecture (230414)
Baskaran Ganapathy Institute of Mathematical Sciences
PIRSA:23040011
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Quantum Gravity Lecture (230504)
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23050005 -
Quantum Gravity Lecture (230502)
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23050004 -
Quantum Gravity Lecture (230501)
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23050006 -
Quantum Gravity Lecture (230427)
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23040025 -
Quantum Gravity Lecture (230425)
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23040024 -
Quantum Gravity Lecture (230424)
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23040029 -
Quantum Gravity Lecture (230420)
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23040023 -
Quantum Gravity Lecture (230418)
Aldo Riello Perimeter Institute for Theoretical Physics
PIRSA:23040022
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Twisted Holography Mini-Course
This mini-course will introduce twisted holography, which is holography for BPS subsectors of gauge theory and gravity. We will start by introducing the B-model topological string from the space-time perspective, before discussing branes, backreaction, and the holographic duality.
Zoom: https://pitp.zoom.us/j/98839130613?pwd=SExFK0ZVYzJ3NmJhU1RFa21PWU1qQT09
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Quantum Spectral Curve and Three Point Functions mini-course
In this mini-course we will describe some recent integrability developments in N=4 SYM. Pedro will start with some overview of three point functions in this theory. Paul will introduce the powerful Quantum Spectral Curve formalism describing the full planar spectrum of N=4 SYM starting with some elementary spin chain introduction. In this formalism, each operator in the theory is governed by a (set of) Q-function(s). In his last lecture Paul will walk us through an explicit example from beginning to end of a QSC solution. Pedro will then describe some explorations on three point correlation functions in this theory. The goal would be to have a machine where three Q-functions are given as input and a three-point function is spit out as output. We will describe where we are in this quest.
No Zoom link or hybrid participation available. Registration is not required.
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Quantum Field Theory 1 2023/24
Quantum Field Theory 1 2023/24 -
Topological Quantum Field Theories - mini-course
A quantum field theory is deemed topological if it exhibits the remarkable property of being independent of any background metric. In contrast to most other types of quantum field theories, topological quantum field theories possess a well-defined mathematical framework, tracing its roots back to the pioneering work of Atiyah in 1988. The mathematical tools employed to define and study topological quantum field theories encompass concepts from category theory, homotopy theory, topology, and algebra.
In this course, we will delve into the mathematical foundations of this field, explore examples and classification results, especially in lower dimensions. Subsequently, we will explore more advanced aspects, such as invertible theories, defects, the cobordism hypothesis, or state sum models in dimensions 3 and 4 (including Turaev-Viro and Douglas-Reutter models), depending on the interests of the audience.
Today, the mathematics of topological quantum field theories has found numerous applications in physics. Recent applications include the study of anomalies, non-invertible symmetries, the classification of topological phases of matter, and lattice models. The course aims to provide the necessary background for understanding these applications. -
General Relativity for Cosmology
This is an advanced graduate course which develops the math and physics of general relativity from scratch up to the highest level. The going will sometimes be steep but I try to be always careful. The purpose is to prepare for studies in quantum gravity, relativistic quantum information, black hole physics and cosmology. Quick summary of the contents: - Coordinate-free Differential Geometry, Weyl versus Ricci curvature versus Torsion, Vielbein Formalism, Spin-connections, Form-valued Tensors, Spectral Geometry, some Cohomology. - Derivations of General Relativity including as a Gauge Theory, Diffeomorphism Invariance vs. Symmetries, Bianchi Identities vs. Local and Global Conservation Laws. - Penrose Diagrams for Black Holes and Cosmology, Types of Horizons, Energy Conditions and Singularity theorems, Properties and Classification of Exact Solutions. - Cosmology and Models of Cosmic Inflation -
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Quantum Matter (2022/2023)
Matter is quantum. Growing experimental results on materials, natural and synthetic (ion traps, cold atoms etc.,) and concomitant theoretical developments make `quantum matter' an exciting field. There is also a growing interplay of quantum matter physics and quantum information/computation. With a focus on concepts I plan to discuss key phenomenology, quantum models and theory. -
AdS/CFT (2022/2023)
We will cover the basics of the gauge/gravity duality, including some of the following aspects: holographic fluids, applications to condensed matter systems, entanglement entropy, and recent advances in understanding the black hole information paradox. -
Cosmology (2022/2023)
This class is an introduction to cosmology. We'll cover expansion history of the universe, thermal history, dark matter models, and as much cosmological perturbation theory as time permits. -
Quantum Gravity (2022/2023)
The main focus of this course is the exploration of the symmetry structure of General Relativity which is an essential step before any attempt at a (direct) quantization of GR. We will start by developing powerful tools for the analysis of local symmetries in physical theories (the covariant phase space method) and then apply it to increasingly complex theories: the parametrized particle, Yang--Mills theory, and finally General Relativity. We will discover in which ways these theories have similar symmetry structures and in which ways GR is special. We will conclude by reviewing classical results on the uniqueness of GR given its symmetry structure and discuss why it is so hard to quantize it. In tutorials and homeworks, through the reading of articles and collegial discussions in the classroom---as well as good old exercises---you will explore questions such as "Should general relativity be quantized at all? Is a single graviton detactable (even in principle)?", "What is the meaning of the wave functions of the universe?", "Can we do physics without time?".