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Some Phenomenological and Numerical Studies in Loop Quantum Cosmology
Main Content
Brajesh Gupt, LSU
- When
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28 January 2014
from
10:00 AM to
11:30 AM
- Where
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320 Whitmore Lab
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Seminar Database
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A Light Dilaton and Suppressed Cosmological Constant without Tuning
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The Emergence of SUSY in Gamma_i-Deformed SYM
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HEP Seminar: Cosmology, superconducting technology, and the South Pole Telescope
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Random Walks in the Sky (Remembering Your Steps!)
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The Quantum State of the Universe
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The Classical Universes of the No-Boundary Quantum State
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Eternal Inflation and Anthropic Reasoning in the Light of Quantum Cosmology
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MRSEC: Structure and Property Relationships in Thermoelectric Materials and Solid Electrolytes
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Ph.D. Defense: One-Dimensional Fermi Gases with Rapid Interaction Control: Toward the Observation of Dicke States and Exotic Superfluid Pairing
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FTheory: Soft-Pion Theorems for Large-Scale Structure
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MRSEC: Models and Phenomena of Active Particles and Materials
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IGC Colloquium: Beyond the Standard Model of Cosmology
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IGC Colloquium: The Bardeen-Petterson Effect in MHD or How Twisted Disks Straighten Out
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Cosmological Constraints from Non-Gaussian Features in Weak Gravitational Lensing Maps
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The Quantum State of the Universe
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ILQG: Matter Matters in Asymptotically Safe Quantum Gravity
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Some Phenomenological and Numerical Studies in Loop Quantum Cosmology
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ILQG: A New Vacuum for Loop Quantum Gravity
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ILQG: Quantum Group Spin Nets: Refinement Limit and Relation to Spin Foams
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FTheory: Entanglement, Thermalization and Quark-Gluon Plasmas
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Observation of Electron Neutrino Appearance from an Off-Axis Muon Neutrino Beam Utilizing the Neutrino Energy Spectrum
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Ph.D. Defense: Composite Fermion Crystals in the Lowest Landau Level
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ILQG: Casimir Effect on a Quantum Gravity
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ILQG: Covariant Loop Quantum Gravity: Its Classical Action, Phase Space and Gauge Symmetries
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ILQG: Phenomenological Consequences of Quantum Geometry in Loop Quantum Cosmology
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ILQG: White Holes
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ILQG: New Applications for Loop Quantum Gravity
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ILQG: Lorentz Transformations from Abstract Quantum Theory: A Thought Experiment
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ILQG: SL(2,C) Chern-Simons Theory and Spinfoam Gravity with a Cosmological Constant
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ILQG: Invariance of Connections and Measures in Loop Quantum Cosmology
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FTheory: Entanglement Entropy Production in Gravitational Collapse
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FTheory: Entanglement Entropy Production in Gravitational Collapse - Part II
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FTheory: High-Loop Perturbative QFT from Integrability
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FTheory: Quantum Fluctuations and the Small Scale Structure of Spacetime
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Gravitational Waves from the Early Universe: Have They Been Seen?
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Inflationary Tensor Fossils in Large-Scale Structure
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FTheory: Loop Quantum Cosmology with Complex Ashtekar Variables
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FTheory: Aspects of Higher Spin Symmetries in Higher Dimensions
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Information Loss: Why Should We Care?
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Colloquium: Pinning Down the Smallest Kind of Neutrino Oscillation
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FTheory: Hawking Radiation in Fluid Flows
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FTheory: Canonical Effective Methods for Quantum Theories
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FTheory: Higher-Spin Gauge Theory, Space-Time and Quantum Mechanics
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FTheory: Invariants in Higher-Spin Theory and Holography
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Simplifying Amplitudes in N<4 Supergravities
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FTheory: Extending the State Space of Loop Quantum Gravity
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FTheory/Cosmology: How Anomalous are Cosmic Microwave Background Anomalies?
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FTheory: Horizon Entropy, Entanglement and Noether Charge
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ILQG: No Firewalls in Quantum Gravity
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ILQG: Cosmology with Group Field Theory Condensates
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ILQG: Quantum Curves
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ILQG: Information Loss
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ILQG: An Explicit Computation of the Evaporation of a Quantum Black Hole
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ILQG: Separability and Quantum Mechanics
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ILQG: Generalized GFT Condensates and Cosmology
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ILQG: Rainbows from Quantum Gravity
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FTheory: Entanglement and Correlations in Loop Quantum Gravity
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Quantum Opportunities in Gravitational Wave Detectors
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FTheory: Alternative Representations for Quantum Gravity
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FTheory: Pre-Inflationary Dynamics of Loop Quantum Cosmology: Interplay between Theory and Observations
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FTheory: New Action for Simplicial Gravity: Curvature and Relation to Regge Calculus
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FTheory: On Whether Supermassive Black Holes can be Explained by Primordial Black Holes
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FTheory: Vacuum Polarization of Subtracted Black Holes
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ILQG: Numerical Investigations of the EPRL Model
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ILQG: 3D Holography
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ILQG: Squeezed Spin Networks and Entanglement
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ILQG: Loop Quantum Cosmology, Non-Gaussianity and CMB Anomalies
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ILQG: Intrinsic Time in Quantum Geometrodynamics
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ILQG: Developments on the Radial Gauge
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ILQG: TBA
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ILQG: Quantum Symmetry Reductions Based on Classical Gauge Fixings
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FTheory: Squeezed Spin Network States
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FTheory: Unitarily and Ultraviolet Regularity in Cosmology
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Does the Einstein Equation Follow from A Maximum Entropy Principle for Vacuum Entanglement
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IGC Colloquium: Understanding Spacetime Geometry, Astrophysics and Fundamental Physics from Gravitational Wave Observations
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FTheory: Planning CMBs Stage 4
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FTheory: Quantum Reduced Loop Gravity: Applications and Perspectives
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CFT Research Jamboree
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CFT Research Jamboree
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ILQG: When Isolated Horizons Met Near Horizons Geometries
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ILQG: Loop Quantum Gravity as an Extended TQFT
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ILQG: Self-Gravitating Shells in a Quantum Geometry
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ILQG: Panel on Symmetry Reduction: From LQG to LQC
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ILQG: How Do Quantization Ambiguities Affect the Spacetime across the Central Singularity
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ILQG: Covariant Loop Quantum Gravity as a Topological Field Theory with Defects
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ILQG: The Issue of Information Loss: Current Status
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ILQG: Matter on Spin Foams: A Toy Model
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HEP: Odd B Modes from Inflation
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FTheory: Twisted Self-Duality and SO(2) Electric-Magnetic Duality for Gravity and Higher Spin Gauge Fields
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FTheory: Quasilocal Mass and Isometric Embeddings
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HEP: Stellar core collapse: success or failure, and future probes
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FTheory: Towards the Unification of Asymptotically Safe Quantum Gravity and the Standard Model of Particle Physics
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ILQG: Loop Quantum Gravity as a Topological Field Theory with Defects
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FTheory: Quasi-Local Charges for Energy, Angular Momentum and Centre of Mass and Possible Applications in LQG
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PUG: Dynamical Gauge Effects and Holographic Scaling of Non-Equilibrium Motion in a Disordered and Dissipative Atomic Gas
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Ph. D. Defense: Effects of primordial non-Gaussianity in the CMB and the large-scale structure
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Ph.D Defense: Wetting of Two-Dimensional Physically Patterned Surfaces
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FTheory: The Separate Universe Approach to Soft Limits
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Exploring Earth and Space with Atomic Clocks
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ILQG: Quantum Gravity in the Sky: Interplay between Theory and Observation
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IlQG: Propagation in Polymer Parameterized Field Theory
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IlQG: CFT Degrees of Freedom from LQG Boundary Excitations
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ILQG: Fusion Basis for Lattice Gauge Theory and Loop Quantum Gravity
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ILQG: TBA
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ILQG: Progress in Twisted Geometries and Spin Foam Transition Amplitudes
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ILQG: TBA
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ILQG: TBA
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FTheory: From Unitary Dynamics to Statistical Mechanics in Isolated Quantum Systems
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FTheory: What Can We Hope to Learn from Current and Future Gravitational Wave Observations
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Ph.D. Defense: Theory of Thermodynamics and Kinetics of Benzene Adsorption on Ag(111)
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FTheory: Probing Quantum Phases of Matter with Scaling Geometries
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Einstein, Black Holes and Cosmic Chirps
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PUG: How Light Gravitates
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FTheory: Alternatives to Cosmological Inflation and Their Implications for the Spectrum of Gravitational Radiation
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Special: Observational Constraints on Loop Quantum Cosmology with the Cosmic Microwave Background
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IGC Colloquium: Unbiased Constraints from Biased Tracers
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ILQG: LQG, Tensor Network and Holographic Entanglement Entropy
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ILQG: 3D/4D Gravity as the Dimensional Reduction of a Theory of Different Forms in 6D/7D
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ILQG: Physical Observers in General Relativity and Their Symmetries
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ILQG: Holographic Signatures of Resolved Cosmological Singularities
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ILQG: Transition Times through the Black Hole Bounce
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ILQG: (3+1) LQG with Homogeneously Curved Vacuum
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ILQG: Field Theoretical Aspects of Group Field Theory: Symmetries and Representations
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ILQG: Simplicial Group Field Theory Models for Euclidean Quantum Gravity: Recent Developments
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FTheory: Measuring the Neutron-Star Equation of State from Gravitational Wave Observations
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FTheory: Testing the Binary Black Hole Nature of a Compact Binary Coalescence
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IGC Colloquium: Multiwavelength/Multimessenger Studies with the Fermi Gamma-ray Space Telescope
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FTheory: Black Holes and Mergers in Theories Beyond General Relativity
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FTheory: Strong Gravity in Gravitational Wave Astronomy
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IGC Colloquium: Merging Compact Binaries: From White Dwarfs, Neutron Stars to Supermassive Black Holes
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FTheory: Holography of Information and Causal Shadows
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FTheory: Power Radiated by a Binary Black Hole System in a de Sitter Universe
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FTheory: Oscillations of Rapidly Rotating Black Holes
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FTheory: Locality from the Holographic Principle
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Ph. D. Defense by Yuhe Zhang
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PhD Defense: Novel Materials for Thin Film Electronics: Zinc Oxide and 2D Transition Metal Dichalcogenides
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PhD Defense: Gravitational radiation with a positive cosmological constant
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PhD Defense: Application of canonical effective methods to background-independent systems
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Ph. D. Defense: Optoelectronic study of topological insulators and topological insulator - magnetic insulator heterostructures
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Ph.D. Defense: "A transport study of emerging phenomena in bilayer grpahene nannostructures"
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PH.D. Defense"Statistical Mechanics of Coarse-Graining"
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FTheory: Testing the Nature of the Compact Objects Discovered by LIGO
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CQG: Cosmology from Group Field Theory Condensates
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Ph.D Defense: "atomic layer deposition of high-k dielectrics on Germaniun and transition metal dichalcogenide"
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FTheory: Inflation, Primordial Black Holes, Gravitational Waves
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FTheory: Some Surprises in the Theory of Gravitational Waves
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FTheory: In-Vacuo-Dispersion-Like Spectral Lags in Gamma-Ray Bursts
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FTheory: Multimessenger Studies at Penn State
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CQG: Relations between Loop Quantum Gravity and Loop Quantum Cosmology
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Ph.D Defense: "Synthesis, Characterization and Optical Properties of Novel Carbon and other 2D Nanomaterials"
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CQG: Loop Quantum f(R) Gravity and Its Cosmological Model
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ILQG: Cosmological Effective Hamiltonian from Full Loop Quantum Gravity
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ILQG: SU(2) Graph Invariants, Regge Actions and Polytopes
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ILQG: Geometry Transition in Covariant LQG: Black to White
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ILQG: Entanglement in Loop Quantum Gravity
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ILQG: From Coarse Graining for Quantum Gravity to Topological Charges in Discretized Gauge Theories
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ILQG: Divergences and Radiative Corrections in GFT
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FTheory: And Then There Were Three©
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CQG: New Boundary Variables and Quantization of Area in Quantum Gravity
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Large-Scale Galaxy Bias
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FTheory: Primordial Black Hole Dark Matter from UV Physics
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FTheory: Asymptotic Charges and Soft Theorems
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GAP Seminar: On Singularity Formation in General Relativity
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CQG: Special Cases of Isolated Horizons: Petrov Type D, Extremal, Foliating Spacetime
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FTheory: A Cosmological Open Quantum System
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FTheory: The Road to Binary Black Hole Simulations: An Overview
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Ph.D Defense: "Equilibrium and Non-Equilibrium Properties of Strongly-Interacting Bosons in Optical Lattices"
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Ph.D Defense: "Network Control and Damage Mitigation in Complex Networked Systems"
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FTheory: Lorentz Invariance from Spin 2
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CQG: Sachs' Free Data in Connection Variables
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Special: Spin Networks on Adiabatic Quantum Computer
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FTheory: The Loop Quantum Cosmology Bounce as a Kasner Transition
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CQG: Light Cone Thermodynamics
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CQG: Uniqueness of the Representation in Homogeneous Isotropic Loop Quantum Cosmology
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FTheory: Inferring the Post-Merger Gravitational Wave Emission from Binary Neutron Star Coalescences
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CQG: Geometry of Gaussian Circuit Complexity
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FTheory: Primordial Black Holes as Dark Matter: Constraints from Compact Ultra-Faint Dwarfs
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FTheory: Transfer Learning in Astronomy: A New Machine Learning Paradigm
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ILQG: The Unique Form of Dynamics in Loop Quantum Cosmology
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HEP: Interpreting GW170817 and the Electromagnetic Counterparts as a Short Gamma-Ray Burst
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FTheory: Lessons Learned in the Gravitational-Wave Search for Compact Binary Coalescences
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CQG: Classical Origins for Quantum Tunneling
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CQG: Singularity Resolution in Loop Quantum Black Holes
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FTheory: Singularity Resolution in Loop Quantum Cosmology: An Overview
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FTheory: The Future of Ground-based Gravitational-wave Detectors
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FTheory: Black Hole Entropy from BMS Symmetry at the Horizon
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CAMP: Two-Dimensional Materials under Optical Probes
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FTheory: Getting the Most Out of Gravitational Wave Merger Observations
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CQG: The Approach of a Black Hole to Equilibrium
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FTheory: Generalized Surface Tension Bounds in Vacuum Decay
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ILQG: Quantum Gravity Inside and Outside Black Holes
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Eberly Family Distinguished Lecture: Probing the Universe with Gravitational Waves
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FTheory: The Beginnings of Gravitational Wave Astronomy
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CQG: A Link between Asymptotically Safe Quantum Gravity and the Standard Model
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FTheory: Electromagnetic Duality Anomaly in Curved Spacetimes
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FTheory: Dark Black Holes
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CQG: Conformal Boundary Conditions, Loop Gravity and the Continuum
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FTheory: Diving Deep into a Quantum-Information-Processing Problem: Quantum Limits on the Performance of Linear Amplifiers
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ILQG: 4-Volume in Spin Foam Models from Knotted Boundary Graphs
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ILQG: TBA
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ILQG: A Unified Geometric Framework for Boundary Charges and Dressings
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ILQG: Emerging Gravitational Waves from Spin Foam Model
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ILQG: A Holographic Description for Boundary Gravitons in 4D
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ILQG: Quantum Theory of Charged Isolated Horizons
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FTheory: Quantum Gravity and Black Hole Spin in Gravitational Wave Observations: A Test of the Bekenstein-Hawking Entropy
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FTheory: Numerical Simulations of Binary Black Holes and Gravitational Wave Science
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FTheory: Varieties of Holographic Space-time
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FTheory: The NANOGrav 11-year Data Set: New Insights into Galaxy Growth and Evolution
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FTheory: Black Holes and Critical Phenomena
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CQG: Numerical Spinfoams
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CQG: Emergent Gravity from Spinfoam Models
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FTheory: Black Holes for Massive Gravitons
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CQG: Strong Quantum Energy Inequality and the Hawking Singularity Theorem
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FTheory: The Architecture of Space in Loop Quantum Gravity
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FTheory: Instabilities and Entropies During and After Inflation and Novel CMB+LSS non-Gaussianities
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All Seminars
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Colloquia
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Condensed, Atomic, and Molecular Physics Seminars
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Cosmology Center Seminars
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Eklund Lectures
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Fundamental Theory Seminars
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High Energy Physics & Astrophysics Seminars
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Institute for Gravitation and the Cosmos Colloquia
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International Loop Quantum Gravity Seminars
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Lannin Lectures
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Marker Lectures
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Mueller Lectures
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Special Seminars
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Thesis Defenses
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Whitfield Lectures