String Phenomenology
Gonzalo Villa
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Cosmology Observations
Will Percival - University of Waterloo
Theory of Gravitational Waves
Ira Rothstein - Carnegie Mellon University
2+2=4: a 2d/2d unitary/non-unitary correspondence
Motivated by the observation that 2 + 2 = 4, we consider 4d N=2 SCFTs on S^2 x Sigma. On the one hand, reduction of a 4d theory T on a Riemann surface Sigma leads to a family F[T;Sigma] of 2d (2,2) unitary SCFTs, a 2d analog of the 4d theories of class S. On the other hand, reduction on S^2 yields a…
Lecture - Quantum Foundations (Elective), PHYS 639
David Schmid - Perimeter Institute for Theoretical Physics
Tracing the mass distribution and assembly of galaxy clusters with ICL and dynamical indicators
Syeda Lammim Ahad - Waterloo Centre for Astrophysics
Galaxy clusters assemble hierarchically, and their present-day dynamical state encodes information about cluster formation timescales and mass distribution. The diffuse intracluster light (ICL), a fossil record of tidal stripping and accretion, offers a complementary probe that is sensitive to a…
Lecture - Numerical Methods (Core), PHYS 777
Dustin Lang - Perimeter Institute for Theoretical Physics , Geoffrey Ryan - Perimeter Institute for Theoretical Physics
The art of sniffing off-shell in gravity
José de Jesús Padua Argüelles - Perimeter Institute for Theoretical Physics
Double descent: When do neural quantum states generalize?
Megan Schuyler Moss - Perimeter Institute for Theoretical Physics
Neural quantum states (NQS) provide flexible and compact wavefunction parameterizations for numerical studies of quantum many-body physics. In particular, NQS aim to circumvent the exponential scaling of the Hilbert space by compressing quantum many-body wavefunctions with a tractable amount of…
Lecture - Mathematical Physics I (Core), PHYS 777
Nathan Haouzi - Perimeter Institute for Theoretical Physics
Detecting Nonclassicality in Quantum Networks via a Novel Intervention Framework
Santiago Zamora - International Institute of Physics, Federal University of Rio Grande do Norte (IIP-UFRN)
Causal interventions have emerged as an effective tool for certifying nonclassicality, offering improved detection efficiency and robustness to noise compared to purely observational approaches. However, standard node interventions (Pearl interventions) become uninformative in space-like separated…
Lecture - Quantum Foundations (Elective), PHYS 639
David Schmid - Perimeter Institute for Theoretical Physics
