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Quantum Field Theory for Cosmology - Lecture 20240404
Achim Kempf University of Waterloo
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Quantum Field Theory for Cosmology - Lecture 20240402
Achim Kempf University of Waterloo
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Quantum Field Theory for Cosmology - Lecture 20240328
Achim Kempf University of Waterloo
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Quantum Field Theory for Cosmology - Lecture 20240326
Achim Kempf University of Waterloo
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Quantum Field Theory for Cosmology - Lecture 20240321
Achim Kempf University of Waterloo
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Quantum Field Theory for Cosmology - Lecture 20240319
Achim Kempf University of Waterloo
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Quantum Field Theory for Cosmology - Lecture 20240314
Achim Kempf University of Waterloo
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Quantum Field Theory for Cosmology - Lecture 20240312
Achim Kempf University of Waterloo
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Quantum Foundations Lecture
Lucien Hardy Perimeter Institute for Theoretical Physics
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Quantum Foundations Lecture
Lucien Hardy Perimeter Institute for Theoretical Physics
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Quantum Foundations Lecture
Lucien Hardy Perimeter Institute for Theoretical Physics
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Quantum Foundations Lecture
Lucien Hardy Perimeter Institute for Theoretical Physics
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Quantum Foundations Lecture
Lucien Hardy Perimeter Institute for Theoretical Physics
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Quantum Foundations Lecture
Lucien Hardy Perimeter Institute for Theoretical Physics
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Quantum Foundations Lecture
Lucien Hardy Perimeter Institute for Theoretical Physics
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Quantum Foundations Lecture
Lucien Hardy Perimeter Institute for Theoretical Physics
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ICTS-NETWORKS Workshop "Challenges in Networks"
The aim of the program is to bring in leadings researchers in network science for an active discussion and exchange of ideas. NETWORKS is a 10-year programme (started in 2014) funded by the Dutch Ministry of Education, Culture and Science through the Netherlands Organisation for Scientific Research. Several Dutch universities belong to this group. Many Indian scientists are in active collaboration with the group and this workshop will form a platform for exchange of ideas and projects and further collaborations. The NETWORKS project itself aims at real life applications of different theoretical aspects of probability theory, computer science, optimisation techniques and statistics. One of the first such meetings took place in Indian Statistical Institute, Kolkata in 2018, followed by one day workshops in Netherlands in 2017--2019.Some of the important topics we plan to cover: Structural properties of random graph/networks; dynamics on networks; Interacting particle systems on netw...
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International School and Workshop on Probing Hadron Structure at the Electron-Ion Collider
The upcoming electron-ion collider (EIC) to be built at the Brookhaven National Lab, USA will probe the internal structure of the protons and neutrons to unprecedented details, in terms of the fundamental building blocks, quarks and gluons. The EIC will bombard highly energetic electron beams with proton/heavy ion beam. Some of the key questions that the EIC will investigate are (i) how the quarks and gluons are distributed inside the nucleon ? (ii) How do the massless gluons and light quarks make up the mass of the bulk of the visible matter in the universe ? (iii) How is the spin (1/2) of the proton made up from the spin of its constituents and what is the role of the orbital angular momentum of the quarks and gluons ? (iv) Does a steady state of gluon saturation occurs in the heavy ion collision, called color glass condenstate ? Due to its high luminosity and wide kinematical coverage, EIC will probe the nucleon to unprecedental level, giving access to information never seen before...
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ICTS-NETWORKS Workshop "Challenges in Networks"
The aim of the program is to bring in leadings researchers in network science for an active discussion and exchange of ideas. NETWORKS is a 10-year programme (started in 2014) funded by the Dutch Ministry of Education, Culture and Science through the Netherlands Organisation for Scientific Research. Several Dutch universities belong to this group. Many Indian scientists are in active collaboration with the group and this workshop will form a platform for exchange of ideas and projects and further collaborations. The NETWORKS project itself aims at real life applications of different theoretical aspects of probability theory, computer science, optimisation techniques and statistics. One of the first such meetings took place in Indian Statistical Institute, Kolkata in 2018, followed by one day workshops in Netherlands in 2017--2019.Some of the important topics we plan to cover: Structural properties of random graph/networks; dynamics on networks; Interacting particle systems on netw...
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Stability of Quantum Matter in and out of Equilibrium at Various Scales
Many-body quantum systems with a coherent time evolution are now experimentally realizable at various scales of size and durations. The behavior of such quantum matter holds many deep questions. One of these regards the stability of such systems, especially under when subjected to external drives. A branch of non-equilibrium physics, this is a vast and deep subject, harboring much unchartered territory.Mechanisms of constraining the many-body dynamics in the Hilbert space range from highly debated and richly explored conundra like Many-body localization (MBL), to more recent ones like Floquet MBL, Dynamical Freezing, and Hilbert Space Fragmentation. These mechanisms can potentially underpin novel phases of quantum matter in and out of equilibrium.Investigating these mechanisms is likely to draw heavily on the moving fronts of diverse disciplines like Condensed Matter Physics, Statistical Mechanics, Quantum Field Theory, and even frontline Mathematics. The aim of this program is to take...
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Stability of Quantum Matter in and out of Equilibrium at Various Scales
Many-body quantum systems with a coherent time evolution are now experimentally realizable at various scales of size and durations. The behavior of such quantum matter holds many deep questions. One of these regards the stability of such systems, especially under when subjected to external drives. A branch of non-equilibrium physics, this is a vast and deep subject, harboring much unchartered territory.Mechanisms of constraining the many-body dynamics in the Hilbert space range from highly debated and richly explored conundra like Many-body localization (MBL), to more recent ones like Floquet MBL, Dynamical Freezing, and Hilbert Space Fragmentation. These mechanisms can potentially underpin novel phases of quantum matter in and out of equilibrium.Investigating these mechanisms is likely to draw heavily on the moving fronts of diverse disciplines like Condensed Matter Physics, Statistical Mechanics, Quantum Field Theory, and even frontline Mathematics. The aim of this program is to take...
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Advanced General Relativity (PHYS7840)
Review of elementary general relativity. Timelike and null geodesic congruences. Hypersurfaces and junction conditions. Lagrangian and Hamiltonian formulations of general relativity. Mass and angular momentum of a gravitating body. The laws of black-hole mechanics.
Zoom: https://pitp.zoom.us/j/97183751661?pwd=T0szNnRjdUM2dENYNTdmRmJCZVF1QT09
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Quantum Field Theory for Cosmology (PHYS785/AMATH872)
This course introduces quantum field theory from scratch and then develops the theory of the quantum fluctuations of fields and particles. We will focus, in particular, on how quantum fields are affected by curvature and by spacetime horizons. This will lead us to the Unruh effect, Hawking radiation and to inflationary cosmology. Inflationary cosmology, which we will study in detail, is part of the current standard model of cosmology which holds that all structure in the universe - such as the distribution of galaxies - originated in tiny quantum fluctuations of a scalar field and of space-time itself. For intuition, consider that quantum field fluctuations of significant amplitude normally occur only at very small length scales. Close to the big bang, during a brief initial period of nearly exponentially fast expansion (inflation), such small-wavelength but large-amplitude quantum fluctuations were stretched out to cosmological wavelengths. In this way, quantum fluctuations are thought to have seeded the observed inhomogeneities in the cosmic microwave background - which in turn seeded the condensation of hydrogen into galaxies and stars, all closely matching the increasingly accurate astronomical observations over recent years. The prerequisites for this course are a solid understanding of quantum theory and some basic knowledge of general relativity, such as FRW spacetimes.
https://uwaterloo.ca/physics-of-information-lab/teaching/quantum-field-theory-cosmology-amath872phys785-w2024
https://pitp.zoom.us/j/96567241418?pwd=U3I1V1g4YXdaZ3psT1FrZUdlYm1zdz09
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Mathematical Physics - Core 2023/24
This course will introduce you to some of the geometrical structures underlying theoretical physics. Previous knowledge of differential geometry is not required. Topics covered in the course include: Introduction to manifolds, differential forms, symplectic manifolds, symplectic version of Noether’s theorem, integration on manifolds, fiber bundles, principal bundles and applications to gauge theory.
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Standard Model 2023/24
The Standard Model of particle physics is introduced, and reviewed, from a modern effective field theory perspective.
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Gravitational Physics
The Gravitational Physics course takes your knowledge and practice of gravity to the next level. We start by recapping the essential elements of differential geometry, adding some new techniques to the toolbox, then apply some of these methods to learning about submanifolds, extra dimensions, and black hole thermodynamics. Towards the end of the course, we delve into the frontiers, with a sample of recent research topics.
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